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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===--------------------------- random -----------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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| 7 | // Source Licenses. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_RANDOM |
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| 12 | #define _LIBCPP_RANDOM |
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| 13 | |||
| 14 | /* |
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| 15 | random synopsis |
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| 16 | |||
| 17 | #include <initializer_list> |
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| 18 | |||
| 19 | namespace std |
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| 20 | {
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| 21 | |||
| 22 | // Engines |
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| 23 | |||
| 24 | template <class UIntType, UIntType a, UIntType c, UIntType m> |
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| 25 | class linear_congruential_engine |
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| 26 | {
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| 27 | public: |
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| 28 | // types |
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| 29 | typedef UIntType result_type; |
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| 30 | |||
| 31 | // engine characteristics |
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| 32 | static constexpr result_type multiplier = a; |
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| 33 | static constexpr result_type increment = c; |
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| 34 | static constexpr result_type modulus = m; |
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| 35 | static constexpr result_type min() { return c == 0u ? 1u: 0u;}
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| 36 | static constexpr result_type max() { return m - 1u;}
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| 37 | static constexpr result_type default_seed = 1u; |
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| 38 | |||
| 39 | // constructors and seeding functions |
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| 40 | explicit linear_congruential_engine(result_type s = default_seed); |
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| 41 | template<class Sseq> explicit linear_congruential_engine(Sseq& q); |
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| 42 | void seed(result_type s = default_seed); |
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| 43 | template<class Sseq> void seed(Sseq& q); |
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| 44 | |||
| 45 | // generating functions |
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| 46 | result_type operator()(); |
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| 47 | void discard(unsigned long long z); |
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| 48 | }; |
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| 49 | |||
| 50 | template <class UIntType, UIntType a, UIntType c, UIntType m> |
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| 51 | bool |
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| 52 | operator==(const linear_congruential_engine<UIntType, a, c, m>& x, |
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| 53 | const linear_congruential_engine<UIntType, a, c, m>& y); |
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| 54 | |||
| 55 | template <class UIntType, UIntType a, UIntType c, UIntType m> |
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| 56 | bool |
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| 57 | operator!=(const linear_congruential_engine<UIntType, a, c, m>& x, |
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| 58 | const linear_congruential_engine<UIntType, a, c, m>& y); |
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| 59 | |||
| 60 | template <class charT, class traits, |
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| 61 | class UIntType, UIntType a, UIntType c, UIntType m> |
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| 62 | basic_ostream<charT, traits>& |
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| 63 | operator<<(basic_ostream<charT, traits>& os, |
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| 64 | const linear_congruential_engine<UIntType, a, c, m>& x); |
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| 65 | |||
| 66 | template <class charT, class traits, |
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| 67 | class UIntType, UIntType a, UIntType c, UIntType m> |
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| 68 | basic_istream<charT, traits>& |
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| 69 | operator>>(basic_istream<charT, traits>& is, |
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| 70 | linear_congruential_engine<UIntType, a, c, m>& x); |
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| 71 | |||
| 72 | template <class UIntType, size_t w, size_t n, size_t m, size_t r, |
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| 73 | UIntType a, size_t u, UIntType d, size_t s, |
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| 74 | UIntType b, size_t t, UIntType c, size_t l, UIntType f> |
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| 75 | class mersenne_twister_engine |
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| 76 | {
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| 77 | public: |
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| 78 | // types |
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| 79 | typedef UIntType result_type; |
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| 80 | |||
| 81 | // engine characteristics |
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| 82 | static constexpr size_t word_size = w; |
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| 83 | static constexpr size_t state_size = n; |
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| 84 | static constexpr size_t shift_size = m; |
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| 85 | static constexpr size_t mask_bits = r; |
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| 86 | static constexpr result_type xor_mask = a; |
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| 87 | static constexpr size_t tempering_u = u; |
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| 88 | static constexpr result_type tempering_d = d; |
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| 89 | static constexpr size_t tempering_s = s; |
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| 90 | static constexpr result_type tempering_b = b; |
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| 91 | static constexpr size_t tempering_t = t; |
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| 92 | static constexpr result_type tempering_c = c; |
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| 93 | static constexpr size_t tempering_l = l; |
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| 94 | static constexpr result_type initialization_multiplier = f; |
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| 95 | static constexpr result_type min () { return 0; }
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| 96 | static constexpr result_type max() { return 2^w - 1; }
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| 97 | static constexpr result_type default_seed = 5489u; |
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| 98 | |||
| 99 | // constructors and seeding functions |
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| 100 | explicit mersenne_twister_engine(result_type value = default_seed); |
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| 101 | template<class Sseq> explicit mersenne_twister_engine(Sseq& q); |
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| 102 | void seed(result_type value = default_seed); |
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| 103 | template<class Sseq> void seed(Sseq& q); |
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| 104 | |||
| 105 | // generating functions |
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| 106 | result_type operator()(); |
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| 107 | void discard(unsigned long long z); |
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| 108 | }; |
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| 109 | |||
| 110 | template <class UIntType, size_t w, size_t n, size_t m, size_t r, |
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| 111 | UIntType a, size_t u, UIntType d, size_t s, |
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| 112 | UIntType b, size_t t, UIntType c, size_t l, UIntType f> |
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| 113 | bool |
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| 114 | operator==( |
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| 115 | const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x, |
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| 116 | const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y); |
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| 117 | |||
| 118 | template <class UIntType, size_t w, size_t n, size_t m, size_t r, |
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| 119 | UIntType a, size_t u, UIntType d, size_t s, |
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| 120 | UIntType b, size_t t, UIntType c, size_t l, UIntType f> |
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| 121 | bool |
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| 122 | operator!=( |
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| 123 | const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x, |
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| 124 | const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y); |
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| 125 | |||
| 126 | template <class charT, class traits, |
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| 127 | class UIntType, size_t w, size_t n, size_t m, size_t r, |
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| 128 | UIntType a, size_t u, UIntType d, size_t s, |
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| 129 | UIntType b, size_t t, UIntType c, size_t l, UIntType f> |
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| 130 | basic_ostream<charT, traits>& |
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| 131 | operator<<(basic_ostream<charT, traits>& os, |
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| 132 | const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); |
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| 133 | |||
| 134 | template <class charT, class traits, |
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| 135 | class UIntType, size_t w, size_t n, size_t m, size_t r, |
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| 136 | UIntType a, size_t u, UIntType d, size_t s, |
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| 137 | UIntType b, size_t t, UIntType c, size_t l, UIntType f> |
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| 138 | basic_istream<charT, traits>& |
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| 139 | operator>>(basic_istream<charT, traits>& is, |
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| 140 | mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); |
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| 141 | |||
| 142 | template<class UIntType, size_t w, size_t s, size_t r> |
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| 143 | class subtract_with_carry_engine |
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| 144 | {
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| 145 | public: |
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| 146 | // types |
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| 147 | typedef UIntType result_type; |
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| 148 | |||
| 149 | // engine characteristics |
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| 150 | static constexpr size_t word_size = w; |
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| 151 | static constexpr size_t short_lag = s; |
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| 152 | static constexpr size_t long_lag = r; |
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| 153 | static constexpr result_type min() { return 0; }
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| 154 | static constexpr result_type max() { return m-1; }
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| 155 | static constexpr result_type default_seed = 19780503u; |
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| 156 | |||
| 157 | // constructors and seeding functions |
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| 158 | explicit subtract_with_carry_engine(result_type value = default_seed); |
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| 159 | template<class Sseq> explicit subtract_with_carry_engine(Sseq& q); |
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| 160 | void seed(result_type value = default_seed); |
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| 161 | template<class Sseq> void seed(Sseq& q); |
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| 162 | |||
| 163 | // generating functions |
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| 164 | result_type operator()(); |
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| 165 | void discard(unsigned long long z); |
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| 166 | }; |
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| 167 | |||
| 168 | template<class UIntType, size_t w, size_t s, size_t r> |
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| 169 | bool |
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| 170 | operator==( |
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| 171 | const subtract_with_carry_engine<UIntType, w, s, r>& x, |
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| 172 | const subtract_with_carry_engine<UIntType, w, s, r>& y); |
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| 173 | |||
| 174 | template<class UIntType, size_t w, size_t s, size_t r> |
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| 175 | bool |
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| 176 | operator!=( |
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| 177 | const subtract_with_carry_engine<UIntType, w, s, r>& x, |
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| 178 | const subtract_with_carry_engine<UIntType, w, s, r>& y); |
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| 179 | |||
| 180 | template <class charT, class traits, |
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| 181 | class UIntType, size_t w, size_t s, size_t r> |
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| 182 | basic_ostream<charT, traits>& |
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| 183 | operator<<(basic_ostream<charT, traits>& os, |
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| 184 | const subtract_with_carry_engine<UIntType, w, s, r>& x); |
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| 185 | |||
| 186 | template <class charT, class traits, |
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| 187 | class UIntType, size_t w, size_t s, size_t r> |
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| 188 | basic_istream<charT, traits>& |
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| 189 | operator>>(basic_istream<charT, traits>& is, |
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| 190 | subtract_with_carry_engine<UIntType, w, s, r>& x); |
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| 191 | |||
| 192 | template<class Engine, size_t p, size_t r> |
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| 193 | class discard_block_engine |
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| 194 | {
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| 195 | public: |
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| 196 | // types |
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| 197 | typedef typename Engine::result_type result_type; |
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| 198 | |||
| 199 | // engine characteristics |
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| 200 | static constexpr size_t block_size = p; |
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| 201 | static constexpr size_t used_block = r; |
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| 202 | static constexpr result_type min() { return Engine::min(); }
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| 203 | static constexpr result_type max() { return Engine::max(); }
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| 204 | |||
| 205 | // constructors and seeding functions |
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| 206 | discard_block_engine(); |
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| 207 | explicit discard_block_engine(const Engine& e); |
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| 208 | explicit discard_block_engine(Engine&& e); |
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| 209 | explicit discard_block_engine(result_type s); |
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| 210 | template<class Sseq> explicit discard_block_engine(Sseq& q); |
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| 211 | void seed(); |
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| 212 | void seed(result_type s); |
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| 213 | template<class Sseq> void seed(Sseq& q); |
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| 214 | |||
| 215 | // generating functions |
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| 216 | result_type operator()(); |
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| 217 | void discard(unsigned long long z); |
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| 218 | |||
| 219 | // property functions |
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| 220 | const Engine& base() const noexcept; |
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| 221 | }; |
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| 222 | |||
| 223 | template<class Engine, size_t p, size_t r> |
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| 224 | bool |
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| 225 | operator==( |
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| 226 | const discard_block_engine<Engine, p, r>& x, |
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| 227 | const discard_block_engine<Engine, p, r>& y); |
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| 228 | |||
| 229 | template<class Engine, size_t p, size_t r> |
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| 230 | bool |
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| 231 | operator!=( |
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| 232 | const discard_block_engine<Engine, p, r>& x, |
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| 233 | const discard_block_engine<Engine, p, r>& y); |
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| 234 | |||
| 235 | template <class charT, class traits, |
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| 236 | class Engine, size_t p, size_t r> |
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| 237 | basic_ostream<charT, traits>& |
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| 238 | operator<<(basic_ostream<charT, traits>& os, |
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| 239 | const discard_block_engine<Engine, p, r>& x); |
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| 240 | |||
| 241 | template <class charT, class traits, |
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| 242 | class Engine, size_t p, size_t r> |
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| 243 | basic_istream<charT, traits>& |
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| 244 | operator>>(basic_istream<charT, traits>& is, |
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| 245 | discard_block_engine<Engine, p, r>& x); |
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| 246 | |||
| 247 | template<class Engine, size_t w, class UIntType> |
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| 248 | class independent_bits_engine |
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| 249 | {
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| 250 | public: |
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| 251 | // types |
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| 252 | typedef UIntType result_type; |
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| 253 | |||
| 254 | // engine characteristics |
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| 255 | static constexpr result_type min() { return 0; }
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| 256 | static constexpr result_type max() { return 2^w - 1; }
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| 257 | |||
| 258 | // constructors and seeding functions |
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| 259 | independent_bits_engine(); |
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| 260 | explicit independent_bits_engine(const Engine& e); |
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| 261 | explicit independent_bits_engine(Engine&& e); |
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| 262 | explicit independent_bits_engine(result_type s); |
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| 263 | template<class Sseq> explicit independent_bits_engine(Sseq& q); |
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| 264 | void seed(); |
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| 265 | void seed(result_type s); |
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| 266 | template<class Sseq> void seed(Sseq& q); |
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| 267 | |||
| 268 | // generating functions |
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| 269 | result_type operator()(); void discard(unsigned long long z); |
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| 270 | |||
| 271 | // property functions |
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| 272 | const Engine& base() const noexcept; |
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| 273 | }; |
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| 274 | |||
| 275 | template<class Engine, size_t w, class UIntType> |
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| 276 | bool |
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| 277 | operator==( |
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| 278 | const independent_bits_engine<Engine, w, UIntType>& x, |
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| 279 | const independent_bits_engine<Engine, w, UIntType>& y); |
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| 280 | |||
| 281 | template<class Engine, size_t w, class UIntType> |
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| 282 | bool |
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| 283 | operator!=( |
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| 284 | const independent_bits_engine<Engine, w, UIntType>& x, |
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| 285 | const independent_bits_engine<Engine, w, UIntType>& y); |
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| 286 | |||
| 287 | template <class charT, class traits, |
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| 288 | class Engine, size_t w, class UIntType> |
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| 289 | basic_ostream<charT, traits>& |
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| 290 | operator<<(basic_ostream<charT, traits>& os, |
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| 291 | const independent_bits_engine<Engine, w, UIntType>& x); |
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| 292 | |||
| 293 | template <class charT, class traits, |
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| 294 | class Engine, size_t w, class UIntType> |
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| 295 | basic_istream<charT, traits>& |
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| 296 | operator>>(basic_istream<charT, traits>& is, |
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| 297 | independent_bits_engine<Engine, w, UIntType>& x); |
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| 298 | |||
| 299 | template<class Engine, size_t k> |
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| 300 | class shuffle_order_engine |
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| 301 | {
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| 302 | public: |
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| 303 | // types |
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| 304 | typedef typename Engine::result_type result_type; |
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| 305 | |||
| 306 | // engine characteristics |
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| 307 | static constexpr size_t table_size = k; |
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| 308 | static constexpr result_type min() { return Engine::min; }
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| 309 | static constexpr result_type max() { return Engine::max; }
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| 310 | |||
| 311 | // constructors and seeding functions |
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| 312 | shuffle_order_engine(); |
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| 313 | explicit shuffle_order_engine(const Engine& e); |
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| 314 | explicit shuffle_order_engine(Engine&& e); |
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| 315 | explicit shuffle_order_engine(result_type s); |
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| 316 | template<class Sseq> explicit shuffle_order_engine(Sseq& q); |
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| 317 | void seed(); |
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| 318 | void seed(result_type s); |
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| 319 | template<class Sseq> void seed(Sseq& q); |
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| 320 | |||
| 321 | // generating functions |
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| 322 | result_type operator()(); |
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| 323 | void discard(unsigned long long z); |
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| 324 | |||
| 325 | // property functions |
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| 326 | const Engine& base() const noexcept; |
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| 327 | }; |
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| 328 | |||
| 329 | template<class Engine, size_t k> |
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| 330 | bool |
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| 331 | operator==( |
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| 332 | const shuffle_order_engine<Engine, k>& x, |
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| 333 | const shuffle_order_engine<Engine, k>& y); |
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| 334 | |||
| 335 | template<class Engine, size_t k> |
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| 336 | bool |
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| 337 | operator!=( |
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| 338 | const shuffle_order_engine<Engine, k>& x, |
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| 339 | const shuffle_order_engine<Engine, k>& y); |
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| 340 | |||
| 341 | template <class charT, class traits, |
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| 342 | class Engine, size_t k> |
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| 343 | basic_ostream<charT, traits>& |
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| 344 | operator<<(basic_ostream<charT, traits>& os, |
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| 345 | const shuffle_order_engine<Engine, k>& x); |
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| 346 | |||
| 347 | template <class charT, class traits, |
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| 348 | class Engine, size_t k> |
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| 349 | basic_istream<charT, traits>& |
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| 350 | operator>>(basic_istream<charT, traits>& is, |
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| 351 | shuffle_order_engine<Engine, k>& x); |
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| 352 | |||
| 353 | typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> |
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| 354 | minstd_rand0; |
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| 355 | typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> |
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| 356 | minstd_rand; |
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| 357 | typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31, |
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| 358 | 0x9908b0df, |
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| 359 | 11, 0xffffffff, |
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| 360 | 7, 0x9d2c5680, |
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| 361 | 15, 0xefc60000, |
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| 362 | 18, 1812433253> mt19937; |
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| 363 | typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31, |
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| 364 | 0xb5026f5aa96619e9, |
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| 365 | 29, 0x5555555555555555, |
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| 366 | 17, 0x71d67fffeda60000, |
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| 367 | 37, 0xfff7eee000000000, |
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| 368 | 43, 6364136223846793005> mt19937_64; |
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| 369 | typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base; |
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| 370 | typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; |
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| 371 | typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24; |
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| 372 | typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48; |
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| 373 | typedef shuffle_order_engine<minstd_rand0, 256> knuth_b; |
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| 374 | typedef minstd_rand default_random_engine; |
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| 375 | |||
| 376 | // Generators |
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| 377 | |||
| 378 | class random_device |
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| 379 | {
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| 380 | public: |
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| 381 | // types |
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| 382 | typedef unsigned int result_type; |
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| 383 | |||
| 384 | // generator characteristics |
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| 385 | static constexpr result_type min() { return numeric_limits<result_type>::min(); }
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| 386 | static constexpr result_type max() { return numeric_limits<result_type>::max(); }
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| 387 | |||
| 388 | // constructors |
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| 389 | explicit random_device(const string& token = "/dev/urandom"); |
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| 390 | |||
| 391 | // generating functions |
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| 392 | result_type operator()(); |
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| 393 | |||
| 394 | // property functions |
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| 395 | double entropy() const noexcept; |
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| 396 | |||
| 397 | // no copy functions |
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| 398 | random_device(const random_device& ) = delete; |
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| 399 | void operator=(const random_device& ) = delete; |
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| 400 | }; |
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| 401 | |||
| 402 | // Utilities |
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| 403 | |||
| 404 | class seed_seq |
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| 405 | {
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| 406 | public: |
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| 407 | // types |
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| 408 | typedef uint_least32_t result_type; |
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| 409 | |||
| 410 | // constructors |
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| 411 | seed_seq(); |
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| 412 | template<class T> |
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| 413 | seed_seq(initializer_list<T> il); |
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| 414 | template<class InputIterator> |
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| 415 | seed_seq(InputIterator begin, InputIterator end); |
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| 416 | |||
| 417 | // generating functions |
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| 418 | template<class RandomAccessIterator> |
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| 419 | void generate(RandomAccessIterator begin, RandomAccessIterator end); |
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| 420 | |||
| 421 | // property functions |
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| 422 | size_t size() const; |
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| 423 | template<class OutputIterator> |
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| 424 | void param(OutputIterator dest) const; |
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| 425 | |||
| 426 | // no copy functions |
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| 427 | seed_seq(const seed_seq&) = delete; |
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| 428 | void operator=(const seed_seq& ) = delete; |
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| 429 | }; |
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| 430 | |||
| 431 | template<class RealType, size_t bits, class URNG> |
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| 432 | RealType generate_canonical(URNG& g); |
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| 433 | |||
| 434 | // Distributions |
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| 435 | |||
| 436 | template<class IntType = int> |
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| 437 | class uniform_int_distribution |
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| 438 | {
|
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| 439 | public: |
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| 440 | // types |
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| 441 | typedef IntType result_type; |
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| 442 | |||
| 443 | class param_type |
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| 444 | {
|
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| 445 | public: |
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| 446 | typedef uniform_int_distribution distribution_type; |
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| 447 | |||
| 448 | explicit param_type(IntType a = 0, |
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| 449 | IntType b = numeric_limits<IntType>::max()); |
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| 450 | |||
| 451 | result_type a() const; |
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| 452 | result_type b() const; |
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| 453 | |||
| 454 | friend bool operator==(const param_type& x, const param_type& y); |
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| 455 | friend bool operator!=(const param_type& x, const param_type& y); |
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| 456 | }; |
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| 457 | |||
| 458 | // constructors and reset functions |
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| 459 | explicit uniform_int_distribution(IntType a = 0, |
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| 460 | IntType b = numeric_limits<IntType>::max()); |
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| 461 | explicit uniform_int_distribution(const param_type& parm); |
||
| 462 | void reset(); |
||
| 463 | |||
| 464 | // generating functions |
||
| 465 | template<class URNG> result_type operator()(URNG& g); |
||
| 466 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 467 | |||
| 468 | // property functions |
||
| 469 | result_type a() const; |
||
| 470 | result_type b() const; |
||
| 471 | |||
| 472 | param_type param() const; |
||
| 473 | void param(const param_type& parm); |
||
| 474 | |||
| 475 | result_type min() const; |
||
| 476 | result_type max() const; |
||
| 477 | |||
| 478 | friend bool operator==(const uniform_int_distribution& x, |
||
| 479 | const uniform_int_distribution& y); |
||
| 480 | friend bool operator!=(const uniform_int_distribution& x, |
||
| 481 | const uniform_int_distribution& y); |
||
| 482 | |||
| 483 | template <class charT, class traits> |
||
| 484 | friend |
||
| 485 | basic_ostream<charT, traits>& |
||
| 486 | operator<<(basic_ostream<charT, traits>& os, |
||
| 487 | const uniform_int_distribution& x); |
||
| 488 | |||
| 489 | template <class charT, class traits> |
||
| 490 | friend |
||
| 491 | basic_istream<charT, traits>& |
||
| 492 | operator>>(basic_istream<charT, traits>& is, |
||
| 493 | uniform_int_distribution& x); |
||
| 494 | }; |
||
| 495 | |||
| 496 | template<class RealType = double> |
||
| 497 | class uniform_real_distribution |
||
| 498 | {
|
||
| 499 | public: |
||
| 500 | // types |
||
| 501 | typedef RealType result_type; |
||
| 502 | |||
| 503 | class param_type |
||
| 504 | {
|
||
| 505 | public: |
||
| 506 | typedef uniform_real_distribution distribution_type; |
||
| 507 | |||
| 508 | explicit param_type(RealType a = 0, |
||
| 509 | RealType b = 1); |
||
| 510 | |||
| 511 | result_type a() const; |
||
| 512 | result_type b() const; |
||
| 513 | |||
| 514 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 515 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 516 | }; |
||
| 517 | |||
| 518 | // constructors and reset functions |
||
| 519 | explicit uniform_real_distribution(RealType a = 0.0, RealType b = 1.0); |
||
| 520 | explicit uniform_real_distribution(const param_type& parm); |
||
| 521 | void reset(); |
||
| 522 | |||
| 523 | // generating functions |
||
| 524 | template<class URNG> result_type operator()(URNG& g); |
||
| 525 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 526 | |||
| 527 | // property functions |
||
| 528 | result_type a() const; |
||
| 529 | result_type b() const; |
||
| 530 | |||
| 531 | param_type param() const; |
||
| 532 | void param(const param_type& parm); |
||
| 533 | |||
| 534 | result_type min() const; |
||
| 535 | result_type max() const; |
||
| 536 | |||
| 537 | friend bool operator==(const uniform_real_distribution& x, |
||
| 538 | const uniform_real_distribution& y); |
||
| 539 | friend bool operator!=(const uniform_real_distribution& x, |
||
| 540 | const uniform_real_distribution& y); |
||
| 541 | |||
| 542 | template <class charT, class traits> |
||
| 543 | friend |
||
| 544 | basic_ostream<charT, traits>& |
||
| 545 | operator<<(basic_ostream<charT, traits>& os, |
||
| 546 | const uniform_real_distribution& x); |
||
| 547 | |||
| 548 | template <class charT, class traits> |
||
| 549 | friend |
||
| 550 | basic_istream<charT, traits>& |
||
| 551 | operator>>(basic_istream<charT, traits>& is, |
||
| 552 | uniform_real_distribution& x); |
||
| 553 | }; |
||
| 554 | |||
| 555 | class bernoulli_distribution |
||
| 556 | {
|
||
| 557 | public: |
||
| 558 | // types |
||
| 559 | typedef bool result_type; |
||
| 560 | |||
| 561 | class param_type |
||
| 562 | {
|
||
| 563 | public: |
||
| 564 | typedef bernoulli_distribution distribution_type; |
||
| 565 | |||
| 566 | explicit param_type(double p = 0.5); |
||
| 567 | |||
| 568 | double p() const; |
||
| 569 | |||
| 570 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 571 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 572 | }; |
||
| 573 | |||
| 574 | // constructors and reset functions |
||
| 575 | explicit bernoulli_distribution(double p = 0.5); |
||
| 576 | explicit bernoulli_distribution(const param_type& parm); |
||
| 577 | void reset(); |
||
| 578 | |||
| 579 | // generating functions |
||
| 580 | template<class URNG> result_type operator()(URNG& g); |
||
| 581 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 582 | |||
| 583 | // property functions |
||
| 584 | double p() const; |
||
| 585 | |||
| 586 | param_type param() const; |
||
| 587 | void param(const param_type& parm); |
||
| 588 | |||
| 589 | result_type min() const; |
||
| 590 | result_type max() const; |
||
| 591 | |||
| 592 | friend bool operator==(const bernoulli_distribution& x, |
||
| 593 | const bernoulli_distribution& y); |
||
| 594 | friend bool operator!=(const bernoulli_distribution& x, |
||
| 595 | const bernoulli_distribution& y); |
||
| 596 | |||
| 597 | template <class charT, class traits> |
||
| 598 | friend |
||
| 599 | basic_ostream<charT, traits>& |
||
| 600 | operator<<(basic_ostream<charT, traits>& os, |
||
| 601 | const bernoulli_distribution& x); |
||
| 602 | |||
| 603 | template <class charT, class traits> |
||
| 604 | friend |
||
| 605 | basic_istream<charT, traits>& |
||
| 606 | operator>>(basic_istream<charT, traits>& is, |
||
| 607 | bernoulli_distribution& x); |
||
| 608 | }; |
||
| 609 | |||
| 610 | template<class IntType = int> |
||
| 611 | class binomial_distribution |
||
| 612 | {
|
||
| 613 | public: |
||
| 614 | // types |
||
| 615 | typedef IntType result_type; |
||
| 616 | |||
| 617 | class param_type |
||
| 618 | {
|
||
| 619 | public: |
||
| 620 | typedef binomial_distribution distribution_type; |
||
| 621 | |||
| 622 | explicit param_type(IntType t = 1, double p = 0.5); |
||
| 623 | |||
| 624 | IntType t() const; |
||
| 625 | double p() const; |
||
| 626 | |||
| 627 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 628 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 629 | }; |
||
| 630 | |||
| 631 | // constructors and reset functions |
||
| 632 | explicit binomial_distribution(IntType t = 1, double p = 0.5); |
||
| 633 | explicit binomial_distribution(const param_type& parm); |
||
| 634 | void reset(); |
||
| 635 | |||
| 636 | // generating functions |
||
| 637 | template<class URNG> result_type operator()(URNG& g); |
||
| 638 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 639 | |||
| 640 | // property functions |
||
| 641 | IntType t() const; |
||
| 642 | double p() const; |
||
| 643 | |||
| 644 | param_type param() const; |
||
| 645 | void param(const param_type& parm); |
||
| 646 | |||
| 647 | result_type min() const; |
||
| 648 | result_type max() const; |
||
| 649 | |||
| 650 | friend bool operator==(const binomial_distribution& x, |
||
| 651 | const binomial_distribution& y); |
||
| 652 | friend bool operator!=(const binomial_distribution& x, |
||
| 653 | const binomial_distribution& y); |
||
| 654 | |||
| 655 | template <class charT, class traits> |
||
| 656 | friend |
||
| 657 | basic_ostream<charT, traits>& |
||
| 658 | operator<<(basic_ostream<charT, traits>& os, |
||
| 659 | const binomial_distribution& x); |
||
| 660 | |||
| 661 | template <class charT, class traits> |
||
| 662 | friend |
||
| 663 | basic_istream<charT, traits>& |
||
| 664 | operator>>(basic_istream<charT, traits>& is, |
||
| 665 | binomial_distribution& x); |
||
| 666 | }; |
||
| 667 | |||
| 668 | template<class IntType = int> |
||
| 669 | class geometric_distribution |
||
| 670 | {
|
||
| 671 | public: |
||
| 672 | // types |
||
| 673 | typedef IntType result_type; |
||
| 674 | |||
| 675 | class param_type |
||
| 676 | {
|
||
| 677 | public: |
||
| 678 | typedef geometric_distribution distribution_type; |
||
| 679 | |||
| 680 | explicit param_type(double p = 0.5); |
||
| 681 | |||
| 682 | double p() const; |
||
| 683 | |||
| 684 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 685 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 686 | }; |
||
| 687 | |||
| 688 | // constructors and reset functions |
||
| 689 | explicit geometric_distribution(double p = 0.5); |
||
| 690 | explicit geometric_distribution(const param_type& parm); |
||
| 691 | void reset(); |
||
| 692 | |||
| 693 | // generating functions |
||
| 694 | template<class URNG> result_type operator()(URNG& g); |
||
| 695 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 696 | |||
| 697 | // property functions |
||
| 698 | double p() const; |
||
| 699 | |||
| 700 | param_type param() const; |
||
| 701 | void param(const param_type& parm); |
||
| 702 | |||
| 703 | result_type min() const; |
||
| 704 | result_type max() const; |
||
| 705 | |||
| 706 | friend bool operator==(const geometric_distribution& x, |
||
| 707 | const geometric_distribution& y); |
||
| 708 | friend bool operator!=(const geometric_distribution& x, |
||
| 709 | const geometric_distribution& y); |
||
| 710 | |||
| 711 | template <class charT, class traits> |
||
| 712 | friend |
||
| 713 | basic_ostream<charT, traits>& |
||
| 714 | operator<<(basic_ostream<charT, traits>& os, |
||
| 715 | const geometric_distribution& x); |
||
| 716 | |||
| 717 | template <class charT, class traits> |
||
| 718 | friend |
||
| 719 | basic_istream<charT, traits>& |
||
| 720 | operator>>(basic_istream<charT, traits>& is, |
||
| 721 | geometric_distribution& x); |
||
| 722 | }; |
||
| 723 | |||
| 724 | template<class IntType = int> |
||
| 725 | class negative_binomial_distribution |
||
| 726 | {
|
||
| 727 | public: |
||
| 728 | // types |
||
| 729 | typedef IntType result_type; |
||
| 730 | |||
| 731 | class param_type |
||
| 732 | {
|
||
| 733 | public: |
||
| 734 | typedef negative_binomial_distribution distribution_type; |
||
| 735 | |||
| 736 | explicit param_type(result_type k = 1, double p = 0.5); |
||
| 737 | |||
| 738 | result_type k() const; |
||
| 739 | double p() const; |
||
| 740 | |||
| 741 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 742 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 743 | }; |
||
| 744 | |||
| 745 | // constructor and reset functions |
||
| 746 | explicit negative_binomial_distribution(result_type k = 1, double p = 0.5); |
||
| 747 | explicit negative_binomial_distribution(const param_type& parm); |
||
| 748 | void reset(); |
||
| 749 | |||
| 750 | // generating functions |
||
| 751 | template<class URNG> result_type operator()(URNG& g); |
||
| 752 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 753 | |||
| 754 | // property functions |
||
| 755 | result_type k() const; |
||
| 756 | double p() const; |
||
| 757 | |||
| 758 | param_type param() const; |
||
| 759 | void param(const param_type& parm); |
||
| 760 | |||
| 761 | result_type min() const; |
||
| 762 | result_type max() const; |
||
| 763 | |||
| 764 | friend bool operator==(const negative_binomial_distribution& x, |
||
| 765 | const negative_binomial_distribution& y); |
||
| 766 | friend bool operator!=(const negative_binomial_distribution& x, |
||
| 767 | const negative_binomial_distribution& y); |
||
| 768 | |||
| 769 | template <class charT, class traits> |
||
| 770 | friend |
||
| 771 | basic_ostream<charT, traits>& |
||
| 772 | operator<<(basic_ostream<charT, traits>& os, |
||
| 773 | const negative_binomial_distribution& x); |
||
| 774 | |||
| 775 | template <class charT, class traits> |
||
| 776 | friend |
||
| 777 | basic_istream<charT, traits>& |
||
| 778 | operator>>(basic_istream<charT, traits>& is, |
||
| 779 | negative_binomial_distribution& x); |
||
| 780 | }; |
||
| 781 | |||
| 782 | template<class IntType = int> |
||
| 783 | class poisson_distribution |
||
| 784 | {
|
||
| 785 | public: |
||
| 786 | // types |
||
| 787 | typedef IntType result_type; |
||
| 788 | |||
| 789 | class param_type |
||
| 790 | {
|
||
| 791 | public: |
||
| 792 | typedef poisson_distribution distribution_type; |
||
| 793 | |||
| 794 | explicit param_type(double mean = 1.0); |
||
| 795 | |||
| 796 | double mean() const; |
||
| 797 | |||
| 798 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 799 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 800 | }; |
||
| 801 | |||
| 802 | // constructors and reset functions |
||
| 803 | explicit poisson_distribution(double mean = 1.0); |
||
| 804 | explicit poisson_distribution(const param_type& parm); |
||
| 805 | void reset(); |
||
| 806 | |||
| 807 | // generating functions |
||
| 808 | template<class URNG> result_type operator()(URNG& g); |
||
| 809 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 810 | |||
| 811 | // property functions |
||
| 812 | double mean() const; |
||
| 813 | |||
| 814 | param_type param() const; |
||
| 815 | void param(const param_type& parm); |
||
| 816 | |||
| 817 | result_type min() const; |
||
| 818 | result_type max() const; |
||
| 819 | |||
| 820 | friend bool operator==(const poisson_distribution& x, |
||
| 821 | const poisson_distribution& y); |
||
| 822 | friend bool operator!=(const poisson_distribution& x, |
||
| 823 | const poisson_distribution& y); |
||
| 824 | |||
| 825 | template <class charT, class traits> |
||
| 826 | friend |
||
| 827 | basic_ostream<charT, traits>& |
||
| 828 | operator<<(basic_ostream<charT, traits>& os, |
||
| 829 | const poisson_distribution& x); |
||
| 830 | |||
| 831 | template <class charT, class traits> |
||
| 832 | friend |
||
| 833 | basic_istream<charT, traits>& |
||
| 834 | operator>>(basic_istream<charT, traits>& is, |
||
| 835 | poisson_distribution& x); |
||
| 836 | }; |
||
| 837 | |||
| 838 | template<class RealType = double> |
||
| 839 | class exponential_distribution |
||
| 840 | {
|
||
| 841 | public: |
||
| 842 | // types |
||
| 843 | typedef RealType result_type; |
||
| 844 | |||
| 845 | class param_type |
||
| 846 | {
|
||
| 847 | public: |
||
| 848 | typedef exponential_distribution distribution_type; |
||
| 849 | |||
| 850 | explicit param_type(result_type lambda = 1.0); |
||
| 851 | |||
| 852 | result_type lambda() const; |
||
| 853 | |||
| 854 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 855 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 856 | }; |
||
| 857 | |||
| 858 | // constructors and reset functions |
||
| 859 | explicit exponential_distribution(result_type lambda = 1.0); |
||
| 860 | explicit exponential_distribution(const param_type& parm); |
||
| 861 | void reset(); |
||
| 862 | |||
| 863 | // generating functions |
||
| 864 | template<class URNG> result_type operator()(URNG& g); |
||
| 865 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 866 | |||
| 867 | // property functions |
||
| 868 | result_type lambda() const; |
||
| 869 | |||
| 870 | param_type param() const; |
||
| 871 | void param(const param_type& parm); |
||
| 872 | |||
| 873 | result_type min() const; |
||
| 874 | result_type max() const; |
||
| 875 | |||
| 876 | friend bool operator==(const exponential_distribution& x, |
||
| 877 | const exponential_distribution& y); |
||
| 878 | friend bool operator!=(const exponential_distribution& x, |
||
| 879 | const exponential_distribution& y); |
||
| 880 | |||
| 881 | template <class charT, class traits> |
||
| 882 | friend |
||
| 883 | basic_ostream<charT, traits>& |
||
| 884 | operator<<(basic_ostream<charT, traits>& os, |
||
| 885 | const exponential_distribution& x); |
||
| 886 | |||
| 887 | template <class charT, class traits> |
||
| 888 | friend |
||
| 889 | basic_istream<charT, traits>& |
||
| 890 | operator>>(basic_istream<charT, traits>& is, |
||
| 891 | exponential_distribution& x); |
||
| 892 | }; |
||
| 893 | |||
| 894 | template<class RealType = double> |
||
| 895 | class gamma_distribution |
||
| 896 | {
|
||
| 897 | public: |
||
| 898 | // types |
||
| 899 | typedef RealType result_type; |
||
| 900 | |||
| 901 | class param_type |
||
| 902 | {
|
||
| 903 | public: |
||
| 904 | typedef gamma_distribution distribution_type; |
||
| 905 | |||
| 906 | explicit param_type(result_type alpha = 1, result_type beta = 1); |
||
| 907 | |||
| 908 | result_type alpha() const; |
||
| 909 | result_type beta() const; |
||
| 910 | |||
| 911 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 912 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 913 | }; |
||
| 914 | |||
| 915 | // constructors and reset functions |
||
| 916 | explicit gamma_distribution(result_type alpha = 1, result_type beta = 1); |
||
| 917 | explicit gamma_distribution(const param_type& parm); |
||
| 918 | void reset(); |
||
| 919 | |||
| 920 | // generating functions |
||
| 921 | template<class URNG> result_type operator()(URNG& g); |
||
| 922 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 923 | |||
| 924 | // property functions |
||
| 925 | result_type alpha() const; |
||
| 926 | result_type beta() const; |
||
| 927 | |||
| 928 | param_type param() const; |
||
| 929 | void param(const param_type& parm); |
||
| 930 | |||
| 931 | result_type min() const; |
||
| 932 | result_type max() const; |
||
| 933 | |||
| 934 | friend bool operator==(const gamma_distribution& x, |
||
| 935 | const gamma_distribution& y); |
||
| 936 | friend bool operator!=(const gamma_distribution& x, |
||
| 937 | const gamma_distribution& y); |
||
| 938 | |||
| 939 | template <class charT, class traits> |
||
| 940 | friend |
||
| 941 | basic_ostream<charT, traits>& |
||
| 942 | operator<<(basic_ostream<charT, traits>& os, |
||
| 943 | const gamma_distribution& x); |
||
| 944 | |||
| 945 | template <class charT, class traits> |
||
| 946 | friend |
||
| 947 | basic_istream<charT, traits>& |
||
| 948 | operator>>(basic_istream<charT, traits>& is, |
||
| 949 | gamma_distribution& x); |
||
| 950 | }; |
||
| 951 | |||
| 952 | template<class RealType = double> |
||
| 953 | class weibull_distribution |
||
| 954 | {
|
||
| 955 | public: |
||
| 956 | // types |
||
| 957 | typedef RealType result_type; |
||
| 958 | |||
| 959 | class param_type |
||
| 960 | {
|
||
| 961 | public: |
||
| 962 | typedef weibull_distribution distribution_type; |
||
| 963 | |||
| 964 | explicit param_type(result_type alpha = 1, result_type beta = 1); |
||
| 965 | |||
| 966 | result_type a() const; |
||
| 967 | result_type b() const; |
||
| 968 | |||
| 969 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 970 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 971 | }; |
||
| 972 | |||
| 973 | // constructor and reset functions |
||
| 974 | explicit weibull_distribution(result_type a = 1, result_type b = 1); |
||
| 975 | explicit weibull_distribution(const param_type& parm); |
||
| 976 | void reset(); |
||
| 977 | |||
| 978 | // generating functions |
||
| 979 | template<class URNG> result_type operator()(URNG& g); |
||
| 980 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 981 | |||
| 982 | // property functions |
||
| 983 | result_type a() const; |
||
| 984 | result_type b() const; |
||
| 985 | |||
| 986 | param_type param() const; |
||
| 987 | void param(const param_type& parm); |
||
| 988 | |||
| 989 | result_type min() const; |
||
| 990 | result_type max() const; |
||
| 991 | |||
| 992 | friend bool operator==(const weibull_distribution& x, |
||
| 993 | const weibull_distribution& y); |
||
| 994 | friend bool operator!=(const weibull_distribution& x, |
||
| 995 | const weibull_distribution& y); |
||
| 996 | |||
| 997 | template <class charT, class traits> |
||
| 998 | friend |
||
| 999 | basic_ostream<charT, traits>& |
||
| 1000 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1001 | const weibull_distribution& x); |
||
| 1002 | |||
| 1003 | template <class charT, class traits> |
||
| 1004 | friend |
||
| 1005 | basic_istream<charT, traits>& |
||
| 1006 | operator>>(basic_istream<charT, traits>& is, |
||
| 1007 | weibull_distribution& x); |
||
| 1008 | }; |
||
| 1009 | |||
| 1010 | template<class RealType = double> |
||
| 1011 | class extreme_value_distribution |
||
| 1012 | {
|
||
| 1013 | public: |
||
| 1014 | // types |
||
| 1015 | typedef RealType result_type; |
||
| 1016 | |||
| 1017 | class param_type |
||
| 1018 | {
|
||
| 1019 | public: |
||
| 1020 | typedef extreme_value_distribution distribution_type; |
||
| 1021 | |||
| 1022 | explicit param_type(result_type a = 0, result_type b = 1); |
||
| 1023 | |||
| 1024 | result_type a() const; |
||
| 1025 | result_type b() const; |
||
| 1026 | |||
| 1027 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1028 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1029 | }; |
||
| 1030 | |||
| 1031 | // constructor and reset functions |
||
| 1032 | explicit extreme_value_distribution(result_type a = 0, result_type b = 1); |
||
| 1033 | explicit extreme_value_distribution(const param_type& parm); |
||
| 1034 | void reset(); |
||
| 1035 | |||
| 1036 | // generating functions |
||
| 1037 | template<class URNG> result_type operator()(URNG& g); |
||
| 1038 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1039 | |||
| 1040 | // property functions |
||
| 1041 | result_type a() const; |
||
| 1042 | result_type b() const; |
||
| 1043 | |||
| 1044 | param_type param() const; |
||
| 1045 | void param(const param_type& parm); |
||
| 1046 | |||
| 1047 | result_type min() const; |
||
| 1048 | result_type max() const; |
||
| 1049 | |||
| 1050 | friend bool operator==(const extreme_value_distribution& x, |
||
| 1051 | const extreme_value_distribution& y); |
||
| 1052 | friend bool operator!=(const extreme_value_distribution& x, |
||
| 1053 | const extreme_value_distribution& y); |
||
| 1054 | |||
| 1055 | template <class charT, class traits> |
||
| 1056 | friend |
||
| 1057 | basic_ostream<charT, traits>& |
||
| 1058 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1059 | const extreme_value_distribution& x); |
||
| 1060 | |||
| 1061 | template <class charT, class traits> |
||
| 1062 | friend |
||
| 1063 | basic_istream<charT, traits>& |
||
| 1064 | operator>>(basic_istream<charT, traits>& is, |
||
| 1065 | extreme_value_distribution& x); |
||
| 1066 | }; |
||
| 1067 | |||
| 1068 | template<class RealType = double> |
||
| 1069 | class normal_distribution |
||
| 1070 | {
|
||
| 1071 | public: |
||
| 1072 | // types |
||
| 1073 | typedef RealType result_type; |
||
| 1074 | |||
| 1075 | class param_type |
||
| 1076 | {
|
||
| 1077 | public: |
||
| 1078 | typedef normal_distribution distribution_type; |
||
| 1079 | |||
| 1080 | explicit param_type(result_type mean = 0, result_type stddev = 1); |
||
| 1081 | |||
| 1082 | result_type mean() const; |
||
| 1083 | result_type stddev() const; |
||
| 1084 | |||
| 1085 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1086 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1087 | }; |
||
| 1088 | |||
| 1089 | // constructors and reset functions |
||
| 1090 | explicit normal_distribution(result_type mean = 0, result_type stddev = 1); |
||
| 1091 | explicit normal_distribution(const param_type& parm); |
||
| 1092 | void reset(); |
||
| 1093 | |||
| 1094 | // generating functions |
||
| 1095 | template<class URNG> result_type operator()(URNG& g); |
||
| 1096 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1097 | |||
| 1098 | // property functions |
||
| 1099 | result_type mean() const; |
||
| 1100 | result_type stddev() const; |
||
| 1101 | |||
| 1102 | param_type param() const; |
||
| 1103 | void param(const param_type& parm); |
||
| 1104 | |||
| 1105 | result_type min() const; |
||
| 1106 | result_type max() const; |
||
| 1107 | |||
| 1108 | friend bool operator==(const normal_distribution& x, |
||
| 1109 | const normal_distribution& y); |
||
| 1110 | friend bool operator!=(const normal_distribution& x, |
||
| 1111 | const normal_distribution& y); |
||
| 1112 | |||
| 1113 | template <class charT, class traits> |
||
| 1114 | friend |
||
| 1115 | basic_ostream<charT, traits>& |
||
| 1116 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1117 | const normal_distribution& x); |
||
| 1118 | |||
| 1119 | template <class charT, class traits> |
||
| 1120 | friend |
||
| 1121 | basic_istream<charT, traits>& |
||
| 1122 | operator>>(basic_istream<charT, traits>& is, |
||
| 1123 | normal_distribution& x); |
||
| 1124 | }; |
||
| 1125 | |||
| 1126 | template<class RealType = double> |
||
| 1127 | class lognormal_distribution |
||
| 1128 | {
|
||
| 1129 | public: |
||
| 1130 | // types |
||
| 1131 | typedef RealType result_type; |
||
| 1132 | |||
| 1133 | class param_type |
||
| 1134 | {
|
||
| 1135 | public: |
||
| 1136 | typedef lognormal_distribution distribution_type; |
||
| 1137 | |||
| 1138 | explicit param_type(result_type m = 0, result_type s = 1); |
||
| 1139 | |||
| 1140 | result_type m() const; |
||
| 1141 | result_type s() const; |
||
| 1142 | |||
| 1143 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1144 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1145 | }; |
||
| 1146 | |||
| 1147 | // constructor and reset functions |
||
| 1148 | explicit lognormal_distribution(result_type m = 0, result_type s = 1); |
||
| 1149 | explicit lognormal_distribution(const param_type& parm); |
||
| 1150 | void reset(); |
||
| 1151 | |||
| 1152 | // generating functions |
||
| 1153 | template<class URNG> result_type operator()(URNG& g); |
||
| 1154 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1155 | |||
| 1156 | // property functions |
||
| 1157 | result_type m() const; |
||
| 1158 | result_type s() const; |
||
| 1159 | |||
| 1160 | param_type param() const; |
||
| 1161 | void param(const param_type& parm); |
||
| 1162 | |||
| 1163 | result_type min() const; |
||
| 1164 | result_type max() const; |
||
| 1165 | |||
| 1166 | friend bool operator==(const lognormal_distribution& x, |
||
| 1167 | const lognormal_distribution& y); |
||
| 1168 | friend bool operator!=(const lognormal_distribution& x, |
||
| 1169 | const lognormal_distribution& y); |
||
| 1170 | |||
| 1171 | template <class charT, class traits> |
||
| 1172 | friend |
||
| 1173 | basic_ostream<charT, traits>& |
||
| 1174 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1175 | const lognormal_distribution& x); |
||
| 1176 | |||
| 1177 | template <class charT, class traits> |
||
| 1178 | friend |
||
| 1179 | basic_istream<charT, traits>& |
||
| 1180 | operator>>(basic_istream<charT, traits>& is, |
||
| 1181 | lognormal_distribution& x); |
||
| 1182 | }; |
||
| 1183 | |||
| 1184 | template<class RealType = double> |
||
| 1185 | class chi_squared_distribution |
||
| 1186 | {
|
||
| 1187 | public: |
||
| 1188 | // types |
||
| 1189 | typedef RealType result_type; |
||
| 1190 | |||
| 1191 | class param_type |
||
| 1192 | {
|
||
| 1193 | public: |
||
| 1194 | typedef chi_squared_distribution distribution_type; |
||
| 1195 | |||
| 1196 | explicit param_type(result_type n = 1); |
||
| 1197 | |||
| 1198 | result_type n() const; |
||
| 1199 | |||
| 1200 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1201 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1202 | }; |
||
| 1203 | |||
| 1204 | // constructor and reset functions |
||
| 1205 | explicit chi_squared_distribution(result_type n = 1); |
||
| 1206 | explicit chi_squared_distribution(const param_type& parm); |
||
| 1207 | void reset(); |
||
| 1208 | |||
| 1209 | // generating functions |
||
| 1210 | template<class URNG> result_type operator()(URNG& g); |
||
| 1211 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1212 | |||
| 1213 | // property functions |
||
| 1214 | result_type n() const; |
||
| 1215 | |||
| 1216 | param_type param() const; |
||
| 1217 | void param(const param_type& parm); |
||
| 1218 | |||
| 1219 | result_type min() const; |
||
| 1220 | result_type max() const; |
||
| 1221 | |||
| 1222 | friend bool operator==(const chi_squared_distribution& x, |
||
| 1223 | const chi_squared_distribution& y); |
||
| 1224 | friend bool operator!=(const chi_squared_distribution& x, |
||
| 1225 | const chi_squared_distribution& y); |
||
| 1226 | |||
| 1227 | template <class charT, class traits> |
||
| 1228 | friend |
||
| 1229 | basic_ostream<charT, traits>& |
||
| 1230 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1231 | const chi_squared_distribution& x); |
||
| 1232 | |||
| 1233 | template <class charT, class traits> |
||
| 1234 | friend |
||
| 1235 | basic_istream<charT, traits>& |
||
| 1236 | operator>>(basic_istream<charT, traits>& is, |
||
| 1237 | chi_squared_distribution& x); |
||
| 1238 | }; |
||
| 1239 | |||
| 1240 | template<class RealType = double> |
||
| 1241 | class cauchy_distribution |
||
| 1242 | {
|
||
| 1243 | public: |
||
| 1244 | // types |
||
| 1245 | typedef RealType result_type; |
||
| 1246 | |||
| 1247 | class param_type |
||
| 1248 | {
|
||
| 1249 | public: |
||
| 1250 | typedef cauchy_distribution distribution_type; |
||
| 1251 | |||
| 1252 | explicit param_type(result_type a = 0, result_type b = 1); |
||
| 1253 | |||
| 1254 | result_type a() const; |
||
| 1255 | result_type b() const; |
||
| 1256 | |||
| 1257 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1258 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1259 | }; |
||
| 1260 | |||
| 1261 | // constructor and reset functions |
||
| 1262 | explicit cauchy_distribution(result_type a = 0, result_type b = 1); |
||
| 1263 | explicit cauchy_distribution(const param_type& parm); |
||
| 1264 | void reset(); |
||
| 1265 | |||
| 1266 | // generating functions |
||
| 1267 | template<class URNG> result_type operator()(URNG& g); |
||
| 1268 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1269 | |||
| 1270 | // property functions |
||
| 1271 | result_type a() const; |
||
| 1272 | result_type b() const; |
||
| 1273 | |||
| 1274 | param_type param() const; |
||
| 1275 | void param(const param_type& parm); |
||
| 1276 | |||
| 1277 | result_type min() const; |
||
| 1278 | result_type max() const; |
||
| 1279 | |||
| 1280 | friend bool operator==(const cauchy_distribution& x, |
||
| 1281 | const cauchy_distribution& y); |
||
| 1282 | friend bool operator!=(const cauchy_distribution& x, |
||
| 1283 | const cauchy_distribution& y); |
||
| 1284 | |||
| 1285 | template <class charT, class traits> |
||
| 1286 | friend |
||
| 1287 | basic_ostream<charT, traits>& |
||
| 1288 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1289 | const cauchy_distribution& x); |
||
| 1290 | |||
| 1291 | template <class charT, class traits> |
||
| 1292 | friend |
||
| 1293 | basic_istream<charT, traits>& |
||
| 1294 | operator>>(basic_istream<charT, traits>& is, |
||
| 1295 | cauchy_distribution& x); |
||
| 1296 | }; |
||
| 1297 | |||
| 1298 | template<class RealType = double> |
||
| 1299 | class fisher_f_distribution |
||
| 1300 | {
|
||
| 1301 | public: |
||
| 1302 | // types |
||
| 1303 | typedef RealType result_type; |
||
| 1304 | |||
| 1305 | class param_type |
||
| 1306 | {
|
||
| 1307 | public: |
||
| 1308 | typedef fisher_f_distribution distribution_type; |
||
| 1309 | |||
| 1310 | explicit param_type(result_type m = 1, result_type n = 1); |
||
| 1311 | |||
| 1312 | result_type m() const; |
||
| 1313 | result_type n() const; |
||
| 1314 | |||
| 1315 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1316 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1317 | }; |
||
| 1318 | |||
| 1319 | // constructor and reset functions |
||
| 1320 | explicit fisher_f_distribution(result_type m = 1, result_type n = 1); |
||
| 1321 | explicit fisher_f_distribution(const param_type& parm); |
||
| 1322 | void reset(); |
||
| 1323 | |||
| 1324 | // generating functions |
||
| 1325 | template<class URNG> result_type operator()(URNG& g); |
||
| 1326 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1327 | |||
| 1328 | // property functions |
||
| 1329 | result_type m() const; |
||
| 1330 | result_type n() const; |
||
| 1331 | |||
| 1332 | param_type param() const; |
||
| 1333 | void param(const param_type& parm); |
||
| 1334 | |||
| 1335 | result_type min() const; |
||
| 1336 | result_type max() const; |
||
| 1337 | |||
| 1338 | friend bool operator==(const fisher_f_distribution& x, |
||
| 1339 | const fisher_f_distribution& y); |
||
| 1340 | friend bool operator!=(const fisher_f_distribution& x, |
||
| 1341 | const fisher_f_distribution& y); |
||
| 1342 | |||
| 1343 | template <class charT, class traits> |
||
| 1344 | friend |
||
| 1345 | basic_ostream<charT, traits>& |
||
| 1346 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1347 | const fisher_f_distribution& x); |
||
| 1348 | |||
| 1349 | template <class charT, class traits> |
||
| 1350 | friend |
||
| 1351 | basic_istream<charT, traits>& |
||
| 1352 | operator>>(basic_istream<charT, traits>& is, |
||
| 1353 | fisher_f_distribution& x); |
||
| 1354 | }; |
||
| 1355 | |||
| 1356 | template<class RealType = double> |
||
| 1357 | class student_t_distribution |
||
| 1358 | {
|
||
| 1359 | public: |
||
| 1360 | // types |
||
| 1361 | typedef RealType result_type; |
||
| 1362 | |||
| 1363 | class param_type |
||
| 1364 | {
|
||
| 1365 | public: |
||
| 1366 | typedef student_t_distribution distribution_type; |
||
| 1367 | |||
| 1368 | explicit param_type(result_type n = 1); |
||
| 1369 | |||
| 1370 | result_type n() const; |
||
| 1371 | |||
| 1372 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1373 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1374 | }; |
||
| 1375 | |||
| 1376 | // constructor and reset functions |
||
| 1377 | explicit student_t_distribution(result_type n = 1); |
||
| 1378 | explicit student_t_distribution(const param_type& parm); |
||
| 1379 | void reset(); |
||
| 1380 | |||
| 1381 | // generating functions |
||
| 1382 | template<class URNG> result_type operator()(URNG& g); |
||
| 1383 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1384 | |||
| 1385 | // property functions |
||
| 1386 | result_type n() const; |
||
| 1387 | |||
| 1388 | param_type param() const; |
||
| 1389 | void param(const param_type& parm); |
||
| 1390 | |||
| 1391 | result_type min() const; |
||
| 1392 | result_type max() const; |
||
| 1393 | |||
| 1394 | friend bool operator==(const student_t_distribution& x, |
||
| 1395 | const student_t_distribution& y); |
||
| 1396 | friend bool operator!=(const student_t_distribution& x, |
||
| 1397 | const student_t_distribution& y); |
||
| 1398 | |||
| 1399 | template <class charT, class traits> |
||
| 1400 | friend |
||
| 1401 | basic_ostream<charT, traits>& |
||
| 1402 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1403 | const student_t_distribution& x); |
||
| 1404 | |||
| 1405 | template <class charT, class traits> |
||
| 1406 | friend |
||
| 1407 | basic_istream<charT, traits>& |
||
| 1408 | operator>>(basic_istream<charT, traits>& is, |
||
| 1409 | student_t_distribution& x); |
||
| 1410 | }; |
||
| 1411 | |||
| 1412 | template<class IntType = int> |
||
| 1413 | class discrete_distribution |
||
| 1414 | {
|
||
| 1415 | public: |
||
| 1416 | // types |
||
| 1417 | typedef IntType result_type; |
||
| 1418 | |||
| 1419 | class param_type |
||
| 1420 | {
|
||
| 1421 | public: |
||
| 1422 | typedef discrete_distribution distribution_type; |
||
| 1423 | |||
| 1424 | param_type(); |
||
| 1425 | template<class InputIterator> |
||
| 1426 | param_type(InputIterator firstW, InputIterator lastW); |
||
| 1427 | param_type(initializer_list<double> wl); |
||
| 1428 | template<class UnaryOperation> |
||
| 1429 | param_type(size_t nw, double xmin, double xmax, UnaryOperation fw); |
||
| 1430 | |||
| 1431 | vector<double> probabilities() const; |
||
| 1432 | |||
| 1433 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1434 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1435 | }; |
||
| 1436 | |||
| 1437 | // constructor and reset functions |
||
| 1438 | discrete_distribution(); |
||
| 1439 | template<class InputIterator> |
||
| 1440 | discrete_distribution(InputIterator firstW, InputIterator lastW); |
||
| 1441 | discrete_distribution(initializer_list<double> wl); |
||
| 1442 | template<class UnaryOperation> |
||
| 1443 | discrete_distribution(size_t nw, double xmin, double xmax, |
||
| 1444 | UnaryOperation fw); |
||
| 1445 | explicit discrete_distribution(const param_type& parm); |
||
| 1446 | void reset(); |
||
| 1447 | |||
| 1448 | // generating functions |
||
| 1449 | template<class URNG> result_type operator()(URNG& g); |
||
| 1450 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1451 | |||
| 1452 | // property functions |
||
| 1453 | vector<double> probabilities() const; |
||
| 1454 | |||
| 1455 | param_type param() const; |
||
| 1456 | void param(const param_type& parm); |
||
| 1457 | |||
| 1458 | result_type min() const; |
||
| 1459 | result_type max() const; |
||
| 1460 | |||
| 1461 | friend bool operator==(const discrete_distribution& x, |
||
| 1462 | const discrete_distribution& y); |
||
| 1463 | friend bool operator!=(const discrete_distribution& x, |
||
| 1464 | const discrete_distribution& y); |
||
| 1465 | |||
| 1466 | template <class charT, class traits> |
||
| 1467 | friend |
||
| 1468 | basic_ostream<charT, traits>& |
||
| 1469 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1470 | const discrete_distribution& x); |
||
| 1471 | |||
| 1472 | template <class charT, class traits> |
||
| 1473 | friend |
||
| 1474 | basic_istream<charT, traits>& |
||
| 1475 | operator>>(basic_istream<charT, traits>& is, |
||
| 1476 | discrete_distribution& x); |
||
| 1477 | }; |
||
| 1478 | |||
| 1479 | template<class RealType = double> |
||
| 1480 | class piecewise_constant_distribution |
||
| 1481 | {
|
||
| 1482 | // types |
||
| 1483 | typedef RealType result_type; |
||
| 1484 | |||
| 1485 | class param_type |
||
| 1486 | {
|
||
| 1487 | public: |
||
| 1488 | typedef piecewise_constant_distribution distribution_type; |
||
| 1489 | |||
| 1490 | param_type(); |
||
| 1491 | template<class InputIteratorB, class InputIteratorW> |
||
| 1492 | param_type(InputIteratorB firstB, InputIteratorB lastB, |
||
| 1493 | InputIteratorW firstW); |
||
| 1494 | template<class UnaryOperation> |
||
| 1495 | param_type(initializer_list<result_type> bl, UnaryOperation fw); |
||
| 1496 | template<class UnaryOperation> |
||
| 1497 | param_type(size_t nw, result_type xmin, result_type xmax, |
||
| 1498 | UnaryOperation fw); |
||
| 1499 | |||
| 1500 | vector<result_type> intervals() const; |
||
| 1501 | vector<result_type> densities() const; |
||
| 1502 | |||
| 1503 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1504 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1505 | }; |
||
| 1506 | |||
| 1507 | // constructor and reset functions |
||
| 1508 | piecewise_constant_distribution(); |
||
| 1509 | template<class InputIteratorB, class InputIteratorW> |
||
| 1510 | piecewise_constant_distribution(InputIteratorB firstB, |
||
| 1511 | InputIteratorB lastB, |
||
| 1512 | InputIteratorW firstW); |
||
| 1513 | template<class UnaryOperation> |
||
| 1514 | piecewise_constant_distribution(initializer_list<result_type> bl, |
||
| 1515 | UnaryOperation fw); |
||
| 1516 | template<class UnaryOperation> |
||
| 1517 | piecewise_constant_distribution(size_t nw, result_type xmin, |
||
| 1518 | result_type xmax, UnaryOperation fw); |
||
| 1519 | explicit piecewise_constant_distribution(const param_type& parm); |
||
| 1520 | void reset(); |
||
| 1521 | |||
| 1522 | // generating functions |
||
| 1523 | template<class URNG> result_type operator()(URNG& g); |
||
| 1524 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1525 | |||
| 1526 | // property functions |
||
| 1527 | vector<result_type> intervals() const; |
||
| 1528 | vector<result_type> densities() const; |
||
| 1529 | |||
| 1530 | param_type param() const; |
||
| 1531 | void param(const param_type& parm); |
||
| 1532 | |||
| 1533 | result_type min() const; |
||
| 1534 | result_type max() const; |
||
| 1535 | |||
| 1536 | friend bool operator==(const piecewise_constant_distribution& x, |
||
| 1537 | const piecewise_constant_distribution& y); |
||
| 1538 | friend bool operator!=(const piecewise_constant_distribution& x, |
||
| 1539 | const piecewise_constant_distribution& y); |
||
| 1540 | |||
| 1541 | template <class charT, class traits> |
||
| 1542 | friend |
||
| 1543 | basic_ostream<charT, traits>& |
||
| 1544 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1545 | const piecewise_constant_distribution& x); |
||
| 1546 | |||
| 1547 | template <class charT, class traits> |
||
| 1548 | friend |
||
| 1549 | basic_istream<charT, traits>& |
||
| 1550 | operator>>(basic_istream<charT, traits>& is, |
||
| 1551 | piecewise_constant_distribution& x); |
||
| 1552 | }; |
||
| 1553 | |||
| 1554 | template<class RealType = double> |
||
| 1555 | class piecewise_linear_distribution |
||
| 1556 | {
|
||
| 1557 | // types |
||
| 1558 | typedef RealType result_type; |
||
| 1559 | |||
| 1560 | class param_type |
||
| 1561 | {
|
||
| 1562 | public: |
||
| 1563 | typedef piecewise_linear_distribution distribution_type; |
||
| 1564 | |||
| 1565 | param_type(); |
||
| 1566 | template<class InputIteratorB, class InputIteratorW> |
||
| 1567 | param_type(InputIteratorB firstB, InputIteratorB lastB, |
||
| 1568 | InputIteratorW firstW); |
||
| 1569 | template<class UnaryOperation> |
||
| 1570 | param_type(initializer_list<result_type> bl, UnaryOperation fw); |
||
| 1571 | template<class UnaryOperation> |
||
| 1572 | param_type(size_t nw, result_type xmin, result_type xmax, |
||
| 1573 | UnaryOperation fw); |
||
| 1574 | |||
| 1575 | vector<result_type> intervals() const; |
||
| 1576 | vector<result_type> densities() const; |
||
| 1577 | |||
| 1578 | friend bool operator==(const param_type& x, const param_type& y); |
||
| 1579 | friend bool operator!=(const param_type& x, const param_type& y); |
||
| 1580 | }; |
||
| 1581 | |||
| 1582 | // constructor and reset functions |
||
| 1583 | piecewise_linear_distribution(); |
||
| 1584 | template<class InputIteratorB, class InputIteratorW> |
||
| 1585 | piecewise_linear_distribution(InputIteratorB firstB, |
||
| 1586 | InputIteratorB lastB, |
||
| 1587 | InputIteratorW firstW); |
||
| 1588 | |||
| 1589 | template<class UnaryOperation> |
||
| 1590 | piecewise_linear_distribution(initializer_list<result_type> bl, |
||
| 1591 | UnaryOperation fw); |
||
| 1592 | |||
| 1593 | template<class UnaryOperation> |
||
| 1594 | piecewise_linear_distribution(size_t nw, result_type xmin, |
||
| 1595 | result_type xmax, UnaryOperation fw); |
||
| 1596 | |||
| 1597 | explicit piecewise_linear_distribution(const param_type& parm); |
||
| 1598 | void reset(); |
||
| 1599 | |||
| 1600 | // generating functions |
||
| 1601 | template<class URNG> result_type operator()(URNG& g); |
||
| 1602 | template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
||
| 1603 | |||
| 1604 | // property functions |
||
| 1605 | vector<result_type> intervals() const; |
||
| 1606 | vector<result_type> densities() const; |
||
| 1607 | |||
| 1608 | param_type param() const; |
||
| 1609 | void param(const param_type& parm); |
||
| 1610 | |||
| 1611 | result_type min() const; |
||
| 1612 | result_type max() const; |
||
| 1613 | |||
| 1614 | friend bool operator==(const piecewise_linear_distribution& x, |
||
| 1615 | const piecewise_linear_distribution& y); |
||
| 1616 | friend bool operator!=(const piecewise_linear_distribution& x, |
||
| 1617 | const piecewise_linear_distribution& y); |
||
| 1618 | |||
| 1619 | template <class charT, class traits> |
||
| 1620 | friend |
||
| 1621 | basic_ostream<charT, traits>& |
||
| 1622 | operator<<(basic_ostream<charT, traits>& os, |
||
| 1623 | const piecewise_linear_distribution& x); |
||
| 1624 | |||
| 1625 | template <class charT, class traits> |
||
| 1626 | friend |
||
| 1627 | basic_istream<charT, traits>& |
||
| 1628 | operator>>(basic_istream<charT, traits>& is, |
||
| 1629 | piecewise_linear_distribution& x); |
||
| 1630 | }; |
||
| 1631 | |||
| 1632 | } // std |
||
| 1633 | */ |
||
| 1634 | |||
| 1635 | #include <__config> |
||
| 1636 | #include <cstddef> |
||
| 1637 | #include <cstdint> |
||
| 1638 | #include <cmath> |
||
| 1639 | #include <type_traits> |
||
| 1640 | #include <initializer_list> |
||
| 1641 | #include <limits> |
||
| 1642 | #include <algorithm> |
||
| 1643 | #include <numeric> |
||
| 1644 | #include <vector> |
||
| 1645 | #include <string> |
||
| 1646 | #include <istream> |
||
| 1647 | #include <ostream> |
||
| 1648 | |||
| 1649 | #include <__undef_min_max> |
||
| 1650 | |||
| 1651 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
||
| 1652 | #pragma GCC system_header |
||
| 1653 | #endif |
||
| 1654 | |||
| 1655 | _LIBCPP_BEGIN_NAMESPACE_STD |
||
| 1656 | |||
| 1657 | // __is_seed_sequence |
||
| 1658 | |||
| 1659 | template <class _Sseq, class _Engine> |
||
| 1660 | struct __is_seed_sequence |
||
| 1661 | {
|
||
| 1662 | static _LIBCPP_CONSTEXPR const bool value = |
||
| 1663 | !is_convertible<_Sseq, typename _Engine::result_type>::value && |
||
| 1664 | !is_same<typename remove_cv<_Sseq>::type, _Engine>::value; |
||
| 1665 | }; |
||
| 1666 | |||
| 1667 | // linear_congruential_engine |
||
| 1668 | |||
| 1669 | template <unsigned long long __a, unsigned long long __c, |
||
| 1670 | unsigned long long __m, unsigned long long _Mp, |
||
| 1671 | bool _MightOverflow = (__a != 0 && __m != 0 && __m-1 > (_Mp-__c)/__a)> |
||
| 1672 | struct __lce_ta; |
||
| 1673 | |||
| 1674 | // 64 |
||
| 1675 | |||
| 1676 | template <unsigned long long __a, unsigned long long __c, unsigned long long __m> |
||
| 1677 | struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), true> |
||
| 1678 | {
|
||
| 1679 | typedef unsigned long long result_type; |
||
| 1680 | _LIBCPP_INLINE_VISIBILITY |
||
| 1681 | static result_type next(result_type __x) |
||
| 1682 | {
|
||
| 1683 | // Schrage's algorithm |
||
| 1684 | const result_type __q = __m / __a; |
||
| 1685 | const result_type __r = __m % __a; |
||
| 1686 | const result_type __t0 = __a * (__x % __q); |
||
| 1687 | const result_type __t1 = __r * (__x / __q); |
||
| 1688 | __x = __t0 + (__t0 < __t1) * __m - __t1; |
||
| 1689 | __x += __c - (__x >= __m - __c) * __m; |
||
| 1690 | return __x; |
||
| 1691 | } |
||
| 1692 | }; |
||
| 1693 | |||
| 1694 | template <unsigned long long __a, unsigned long long __m> |
||
| 1695 | struct __lce_ta<__a, 0, __m, (unsigned long long)(~0), true> |
||
| 1696 | {
|
||
| 1697 | typedef unsigned long long result_type; |
||
| 1698 | _LIBCPP_INLINE_VISIBILITY |
||
| 1699 | static result_type next(result_type __x) |
||
| 1700 | {
|
||
| 1701 | // Schrage's algorithm |
||
| 1702 | const result_type __q = __m / __a; |
||
| 1703 | const result_type __r = __m % __a; |
||
| 1704 | const result_type __t0 = __a * (__x % __q); |
||
| 1705 | const result_type __t1 = __r * (__x / __q); |
||
| 1706 | __x = __t0 + (__t0 < __t1) * __m - __t1; |
||
| 1707 | return __x; |
||
| 1708 | } |
||
| 1709 | }; |
||
| 1710 | |||
| 1711 | template <unsigned long long __a, unsigned long long __c, unsigned long long __m> |
||
| 1712 | struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), false> |
||
| 1713 | {
|
||
| 1714 | typedef unsigned long long result_type; |
||
| 1715 | _LIBCPP_INLINE_VISIBILITY |
||
| 1716 | static result_type next(result_type __x) |
||
| 1717 | {
|
||
| 1718 | return (__a * __x + __c) % __m; |
||
| 1719 | } |
||
| 1720 | }; |
||
| 1721 | |||
| 1722 | template <unsigned long long __a, unsigned long long __c> |
||
| 1723 | struct __lce_ta<__a, __c, 0, (unsigned long long)(~0), false> |
||
| 1724 | {
|
||
| 1725 | typedef unsigned long long result_type; |
||
| 1726 | _LIBCPP_INLINE_VISIBILITY |
||
| 1727 | static result_type next(result_type __x) |
||
| 1728 | {
|
||
| 1729 | return __a * __x + __c; |
||
| 1730 | } |
||
| 1731 | }; |
||
| 1732 | |||
| 1733 | // 32 |
||
| 1734 | |||
| 1735 | template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> |
||
| 1736 | struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), true> |
||
| 1737 | {
|
||
| 1738 | typedef unsigned result_type; |
||
| 1739 | _LIBCPP_INLINE_VISIBILITY |
||
| 1740 | static result_type next(result_type __x) |
||
| 1741 | {
|
||
| 1742 | const result_type __a = static_cast<result_type>(_Ap); |
||
| 1743 | const result_type __c = static_cast<result_type>(_Cp); |
||
| 1744 | const result_type __m = static_cast<result_type>(_Mp); |
||
| 1745 | // Schrage's algorithm |
||
| 1746 | const result_type __q = __m / __a; |
||
| 1747 | const result_type __r = __m % __a; |
||
| 1748 | const result_type __t0 = __a * (__x % __q); |
||
| 1749 | const result_type __t1 = __r * (__x / __q); |
||
| 1750 | __x = __t0 + (__t0 < __t1) * __m - __t1; |
||
| 1751 | __x += __c - (__x >= __m - __c) * __m; |
||
| 1752 | return __x; |
||
| 1753 | } |
||
| 1754 | }; |
||
| 1755 | |||
| 1756 | template <unsigned long long _Ap, unsigned long long _Mp> |
||
| 1757 | struct __lce_ta<_Ap, 0, _Mp, unsigned(~0), true> |
||
| 1758 | {
|
||
| 1759 | typedef unsigned result_type; |
||
| 1760 | _LIBCPP_INLINE_VISIBILITY |
||
| 1761 | static result_type next(result_type __x) |
||
| 1762 | {
|
||
| 1763 | const result_type __a = static_cast<result_type>(_Ap); |
||
| 1764 | const result_type __m = static_cast<result_type>(_Mp); |
||
| 1765 | // Schrage's algorithm |
||
| 1766 | const result_type __q = __m / __a; |
||
| 1767 | const result_type __r = __m % __a; |
||
| 1768 | const result_type __t0 = __a * (__x % __q); |
||
| 1769 | const result_type __t1 = __r * (__x / __q); |
||
| 1770 | __x = __t0 + (__t0 < __t1) * __m - __t1; |
||
| 1771 | return __x; |
||
| 1772 | } |
||
| 1773 | }; |
||
| 1774 | |||
| 1775 | template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> |
||
| 1776 | struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), false> |
||
| 1777 | {
|
||
| 1778 | typedef unsigned result_type; |
||
| 1779 | _LIBCPP_INLINE_VISIBILITY |
||
| 1780 | static result_type next(result_type __x) |
||
| 1781 | {
|
||
| 1782 | const result_type __a = static_cast<result_type>(_Ap); |
||
| 1783 | const result_type __c = static_cast<result_type>(_Cp); |
||
| 1784 | const result_type __m = static_cast<result_type>(_Mp); |
||
| 1785 | return (__a * __x + __c) % __m; |
||
| 1786 | } |
||
| 1787 | }; |
||
| 1788 | |||
| 1789 | template <unsigned long long _Ap, unsigned long long _Cp> |
||
| 1790 | struct __lce_ta<_Ap, _Cp, 0, unsigned(~0), false> |
||
| 1791 | {
|
||
| 1792 | typedef unsigned result_type; |
||
| 1793 | _LIBCPP_INLINE_VISIBILITY |
||
| 1794 | static result_type next(result_type __x) |
||
| 1795 | {
|
||
| 1796 | const result_type __a = static_cast<result_type>(_Ap); |
||
| 1797 | const result_type __c = static_cast<result_type>(_Cp); |
||
| 1798 | return __a * __x + __c; |
||
| 1799 | } |
||
| 1800 | }; |
||
| 1801 | |||
| 1802 | // 16 |
||
| 1803 | |||
| 1804 | template <unsigned long long __a, unsigned long long __c, unsigned long long __m, bool __b> |
||
| 1805 | struct __lce_ta<__a, __c, __m, (unsigned short)(~0), __b> |
||
| 1806 | {
|
||
| 1807 | typedef unsigned short result_type; |
||
| 1808 | _LIBCPP_INLINE_VISIBILITY |
||
| 1809 | static result_type next(result_type __x) |
||
| 1810 | {
|
||
| 1811 | return static_cast<result_type>(__lce_ta<__a, __c, __m, unsigned(~0)>::next(__x)); |
||
| 1812 | } |
||
| 1813 | }; |
||
| 1814 | |||
| 1815 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1816 | class _LIBCPP_TYPE_VIS_ONLY linear_congruential_engine; |
||
| 1817 | |||
| 1818 | template <class _CharT, class _Traits, |
||
| 1819 | class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
||
| 1820 | _LIBCPP_INLINE_VISIBILITY |
||
| 1821 | basic_ostream<_CharT, _Traits>& |
||
| 1822 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 1823 | const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); |
||
| 1824 | |||
| 1825 | template <class _CharT, class _Traits, |
||
| 1826 | class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
||
| 1827 | basic_istream<_CharT, _Traits>& |
||
| 1828 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 1829 | linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); |
||
| 1830 | |||
| 1831 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1832 | class _LIBCPP_TYPE_VIS_ONLY linear_congruential_engine |
||
| 1833 | {
|
||
| 1834 | public: |
||
| 1835 | // types |
||
| 1836 | typedef _UIntType result_type; |
||
| 1837 | |||
| 1838 | private: |
||
| 1839 | result_type __x_; |
||
| 1840 | |||
| 1841 | static _LIBCPP_CONSTEXPR const result_type _Mp = result_type(~0); |
||
| 1842 | |||
| 1843 | static_assert(__m == 0 || __a < __m, "linear_congruential_engine invalid parameters"); |
||
| 1844 | static_assert(__m == 0 || __c < __m, "linear_congruential_engine invalid parameters"); |
||
| 1845 | public: |
||
| 1846 | static _LIBCPP_CONSTEXPR const result_type _Min = __c == 0u ? 1u: 0u; |
||
| 1847 | static _LIBCPP_CONSTEXPR const result_type _Max = __m - 1u; |
||
| 1848 | static_assert(_Min < _Max, "linear_congruential_engine invalid parameters"); |
||
| 1849 | |||
| 1850 | // engine characteristics |
||
| 1851 | static _LIBCPP_CONSTEXPR const result_type multiplier = __a; |
||
| 1852 | static _LIBCPP_CONSTEXPR const result_type increment = __c; |
||
| 1853 | static _LIBCPP_CONSTEXPR const result_type modulus = __m; |
||
| 1854 | _LIBCPP_INLINE_VISIBILITY |
||
| 1855 | static _LIBCPP_CONSTEXPR result_type min() {return _Min;}
|
||
| 1856 | _LIBCPP_INLINE_VISIBILITY |
||
| 1857 | static _LIBCPP_CONSTEXPR result_type max() {return _Max;}
|
||
| 1858 | static _LIBCPP_CONSTEXPR const result_type default_seed = 1u; |
||
| 1859 | |||
| 1860 | // constructors and seeding functions |
||
| 1861 | _LIBCPP_INLINE_VISIBILITY |
||
| 1862 | explicit linear_congruential_engine(result_type __s = default_seed) |
||
| 1863 | {seed(__s);}
|
||
| 1864 | template<class _Sseq> |
||
| 1865 | _LIBCPP_INLINE_VISIBILITY |
||
| 1866 | explicit linear_congruential_engine(_Sseq& __q, |
||
| 1867 | typename enable_if<__is_seed_sequence<_Sseq, linear_congruential_engine>::value>::type* = 0) |
||
| 1868 | {seed(__q);}
|
||
| 1869 | _LIBCPP_INLINE_VISIBILITY |
||
| 1870 | void seed(result_type __s = default_seed) |
||
| 1871 | {seed(integral_constant<bool, __m == 0>(),
|
||
| 1872 | integral_constant<bool, __c == 0>(), __s);} |
||
| 1873 | template<class _Sseq> |
||
| 1874 | _LIBCPP_INLINE_VISIBILITY |
||
| 1875 | typename enable_if |
||
| 1876 | < |
||
| 1877 | __is_seed_sequence<_Sseq, linear_congruential_engine>::value, |
||
| 1878 | void |
||
| 1879 | >::type |
||
| 1880 | seed(_Sseq& __q) |
||
| 1881 | {__seed(__q, integral_constant<unsigned,
|
||
| 1882 | 1 + (__m == 0 ? (sizeof(result_type) * __CHAR_BIT__ - 1)/32 |
||
| 1883 | : (__m > 0x100000000ull))>());} |
||
| 1884 | |||
| 1885 | // generating functions |
||
| 1886 | _LIBCPP_INLINE_VISIBILITY |
||
| 1887 | result_type operator()() |
||
| 1888 | {return __x_ = static_cast<result_type>(__lce_ta<__a, __c, __m, _Mp>::next(__x_));}
|
||
| 1889 | _LIBCPP_INLINE_VISIBILITY |
||
| 1890 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 1891 | |||
| 1892 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 1893 | bool operator==(const linear_congruential_engine& __x, |
||
| 1894 | const linear_congruential_engine& __y) |
||
| 1895 | {return __x.__x_ == __y.__x_;}
|
||
| 1896 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 1897 | bool operator!=(const linear_congruential_engine& __x, |
||
| 1898 | const linear_congruential_engine& __y) |
||
| 1899 | {return !(__x == __y);}
|
||
| 1900 | |||
| 1901 | private: |
||
| 1902 | |||
| 1903 | _LIBCPP_INLINE_VISIBILITY |
||
| 1904 | void seed(true_type, true_type, result_type __s) {__x_ = __s == 0 ? 1 : __s;}
|
||
| 1905 | _LIBCPP_INLINE_VISIBILITY |
||
| 1906 | void seed(true_type, false_type, result_type __s) {__x_ = __s;}
|
||
| 1907 | _LIBCPP_INLINE_VISIBILITY |
||
| 1908 | void seed(false_type, true_type, result_type __s) {__x_ = __s % __m == 0 ?
|
||
| 1909 | 1 : __s % __m;} |
||
| 1910 | _LIBCPP_INLINE_VISIBILITY |
||
| 1911 | void seed(false_type, false_type, result_type __s) {__x_ = __s % __m;}
|
||
| 1912 | |||
| 1913 | template<class _Sseq> |
||
| 1914 | void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
||
| 1915 | template<class _Sseq> |
||
| 1916 | void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
||
| 1917 | |||
| 1918 | template <class _CharT, class _Traits, |
||
| 1919 | class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
||
| 1920 | friend |
||
| 1921 | basic_ostream<_CharT, _Traits>& |
||
| 1922 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 1923 | const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); |
||
| 1924 | |||
| 1925 | template <class _CharT, class _Traits, |
||
| 1926 | class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
||
| 1927 | friend |
||
| 1928 | basic_istream<_CharT, _Traits>& |
||
| 1929 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 1930 | linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); |
||
| 1931 | }; |
||
| 1932 | |||
| 1933 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1934 | _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
||
| 1935 | linear_congruential_engine<_UIntType, __a, __c, __m>::multiplier; |
||
| 1936 | |||
| 1937 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1938 | _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
||
| 1939 | linear_congruential_engine<_UIntType, __a, __c, __m>::increment; |
||
| 1940 | |||
| 1941 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1942 | _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
||
| 1943 | linear_congruential_engine<_UIntType, __a, __c, __m>::modulus; |
||
| 1944 | |||
| 1945 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1946 | _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
||
| 1947 | linear_congruential_engine<_UIntType, __a, __c, __m>::default_seed; |
||
| 1948 | |||
| 1949 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1950 | template<class _Sseq> |
||
| 1951 | void |
||
| 1952 | linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, |
||
| 1953 | integral_constant<unsigned, 1>) |
||
| 1954 | {
|
||
| 1955 | const unsigned __k = 1; |
||
| 1956 | uint32_t __ar[__k+3]; |
||
| 1957 | __q.generate(__ar, __ar + __k + 3); |
||
| 1958 | result_type __s = static_cast<result_type>(__ar[3] % __m); |
||
| 1959 | __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; |
||
| 1960 | } |
||
| 1961 | |||
| 1962 | template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1963 | template<class _Sseq> |
||
| 1964 | void |
||
| 1965 | linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, |
||
| 1966 | integral_constant<unsigned, 2>) |
||
| 1967 | {
|
||
| 1968 | const unsigned __k = 2; |
||
| 1969 | uint32_t __ar[__k+3]; |
||
| 1970 | __q.generate(__ar, __ar + __k + 3); |
||
| 1971 | result_type __s = static_cast<result_type>((__ar[3] + |
||
| 1972 | ((uint64_t)__ar[4] << 32)) % __m); |
||
| 1973 | __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; |
||
| 1974 | } |
||
| 1975 | |||
| 1976 | template <class _CharT, class _Traits, |
||
| 1977 | class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1978 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1979 | basic_ostream<_CharT, _Traits>& |
||
| 1980 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 1981 | const linear_congruential_engine<_UIntType, __a, __c, __m>& __x) |
||
| 1982 | {
|
||
| 1983 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 1984 | __os.flags(ios_base::dec | ios_base::left); |
||
| 1985 | __os.fill(__os.widen(' '));
|
||
| 1986 | return __os << __x.__x_; |
||
| 1987 | } |
||
| 1988 | |||
| 1989 | template <class _CharT, class _Traits, |
||
| 1990 | class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
||
| 1991 | basic_istream<_CharT, _Traits>& |
||
| 1992 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 1993 | linear_congruential_engine<_UIntType, __a, __c, __m>& __x) |
||
| 1994 | {
|
||
| 1995 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 1996 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 1997 | _UIntType __t; |
||
| 1998 | __is >> __t; |
||
| 1999 | if (!__is.fail()) |
||
| 2000 | __x.__x_ = __t; |
||
| 2001 | return __is; |
||
| 2002 | } |
||
| 2003 | |||
| 2004 | typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> |
||
| 2005 | minstd_rand0; |
||
| 2006 | typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> |
||
| 2007 | minstd_rand; |
||
| 2008 | typedef minstd_rand default_random_engine; |
||
| 2009 | // mersenne_twister_engine |
||
| 2010 | |||
| 2011 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2012 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2013 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2014 | class _LIBCPP_TYPE_VIS_ONLY mersenne_twister_engine; |
||
| 2015 | |||
| 2016 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2017 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2018 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2019 | bool |
||
| 2020 | operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2021 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2022 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2023 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
||
| 2024 | |||
| 2025 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2026 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2027 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2028 | _LIBCPP_INLINE_VISIBILITY |
||
| 2029 | bool |
||
| 2030 | operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2031 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2032 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2033 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
||
| 2034 | |||
| 2035 | template <class _CharT, class _Traits, |
||
| 2036 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2037 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2038 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2039 | basic_ostream<_CharT, _Traits>& |
||
| 2040 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2041 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2042 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
||
| 2043 | |||
| 2044 | template <class _CharT, class _Traits, |
||
| 2045 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2046 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2047 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2048 | basic_istream<_CharT, _Traits>& |
||
| 2049 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2050 | mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2051 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
||
| 2052 | |||
| 2053 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2054 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2055 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2056 | class _LIBCPP_TYPE_VIS_ONLY mersenne_twister_engine |
||
| 2057 | {
|
||
| 2058 | public: |
||
| 2059 | // types |
||
| 2060 | typedef _UIntType result_type; |
||
| 2061 | |||
| 2062 | private: |
||
| 2063 | result_type __x_[__n]; |
||
| 2064 | size_t __i_; |
||
| 2065 | |||
| 2066 | static_assert( 0 < __m, "mersenne_twister_engine invalid parameters"); |
||
| 2067 | static_assert(__m <= __n, "mersenne_twister_engine invalid parameters"); |
||
| 2068 | static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
||
| 2069 | static_assert(__w <= _Dt, "mersenne_twister_engine invalid parameters"); |
||
| 2070 | static_assert( 2 <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2071 | static_assert(__r <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2072 | static_assert(__u <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2073 | static_assert(__s <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2074 | static_assert(__t <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2075 | static_assert(__l <= __w, "mersenne_twister_engine invalid parameters"); |
||
| 2076 | public: |
||
| 2077 | static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
||
| 2078 | static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : |
||
| 2079 | (result_type(1) << __w) - result_type(1); |
||
| 2080 | static_assert(_Min < _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2081 | static_assert(__a <= _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2082 | static_assert(__b <= _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2083 | static_assert(__c <= _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2084 | static_assert(__d <= _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2085 | static_assert(__f <= _Max, "mersenne_twister_engine invalid parameters"); |
||
| 2086 | |||
| 2087 | // engine characteristics |
||
| 2088 | static _LIBCPP_CONSTEXPR const size_t word_size = __w; |
||
| 2089 | static _LIBCPP_CONSTEXPR const size_t state_size = __n; |
||
| 2090 | static _LIBCPP_CONSTEXPR const size_t shift_size = __m; |
||
| 2091 | static _LIBCPP_CONSTEXPR const size_t mask_bits = __r; |
||
| 2092 | static _LIBCPP_CONSTEXPR const result_type xor_mask = __a; |
||
| 2093 | static _LIBCPP_CONSTEXPR const size_t tempering_u = __u; |
||
| 2094 | static _LIBCPP_CONSTEXPR const result_type tempering_d = __d; |
||
| 2095 | static _LIBCPP_CONSTEXPR const size_t tempering_s = __s; |
||
| 2096 | static _LIBCPP_CONSTEXPR const result_type tempering_b = __b; |
||
| 2097 | static _LIBCPP_CONSTEXPR const size_t tempering_t = __t; |
||
| 2098 | static _LIBCPP_CONSTEXPR const result_type tempering_c = __c; |
||
| 2099 | static _LIBCPP_CONSTEXPR const size_t tempering_l = __l; |
||
| 2100 | static _LIBCPP_CONSTEXPR const result_type initialization_multiplier = __f; |
||
| 2101 | _LIBCPP_INLINE_VISIBILITY |
||
| 2102 | static _LIBCPP_CONSTEXPR result_type min() { return _Min; }
|
||
| 2103 | _LIBCPP_INLINE_VISIBILITY |
||
| 2104 | static _LIBCPP_CONSTEXPR result_type max() { return _Max; }
|
||
| 2105 | static _LIBCPP_CONSTEXPR const result_type default_seed = 5489u; |
||
| 2106 | |||
| 2107 | // constructors and seeding functions |
||
| 2108 | _LIBCPP_INLINE_VISIBILITY |
||
| 2109 | explicit mersenne_twister_engine(result_type __sd = default_seed) |
||
| 2110 | {seed(__sd);}
|
||
| 2111 | template<class _Sseq> |
||
| 2112 | _LIBCPP_INLINE_VISIBILITY |
||
| 2113 | explicit mersenne_twister_engine(_Sseq& __q, |
||
| 2114 | typename enable_if<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value>::type* = 0) |
||
| 2115 | {seed(__q);}
|
||
| 2116 | void seed(result_type __sd = default_seed); |
||
| 2117 | template<class _Sseq> |
||
| 2118 | _LIBCPP_INLINE_VISIBILITY |
||
| 2119 | typename enable_if |
||
| 2120 | < |
||
| 2121 | __is_seed_sequence<_Sseq, mersenne_twister_engine>::value, |
||
| 2122 | void |
||
| 2123 | >::type |
||
| 2124 | seed(_Sseq& __q) |
||
| 2125 | {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());}
|
||
| 2126 | |||
| 2127 | // generating functions |
||
| 2128 | result_type operator()(); |
||
| 2129 | _LIBCPP_INLINE_VISIBILITY |
||
| 2130 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 2131 | |||
| 2132 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2133 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2134 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2135 | friend |
||
| 2136 | bool |
||
| 2137 | operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2138 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2139 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2140 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
||
| 2141 | |||
| 2142 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2143 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2144 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2145 | friend |
||
| 2146 | bool |
||
| 2147 | operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2148 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2149 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2150 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
||
| 2151 | |||
| 2152 | template <class _CharT, class _Traits, |
||
| 2153 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2154 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2155 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2156 | friend |
||
| 2157 | basic_ostream<_CharT, _Traits>& |
||
| 2158 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2159 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2160 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
||
| 2161 | |||
| 2162 | template <class _CharT, class _Traits, |
||
| 2163 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2164 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2165 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2166 | friend |
||
| 2167 | basic_istream<_CharT, _Traits>& |
||
| 2168 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2169 | mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2170 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
||
| 2171 | private: |
||
| 2172 | |||
| 2173 | template<class _Sseq> |
||
| 2174 | void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
||
| 2175 | template<class _Sseq> |
||
| 2176 | void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
||
| 2177 | |||
| 2178 | template <size_t __count> |
||
| 2179 | _LIBCPP_INLINE_VISIBILITY |
||
| 2180 | static |
||
| 2181 | typename enable_if |
||
| 2182 | < |
||
| 2183 | __count < __w, |
||
| 2184 | result_type |
||
| 2185 | >::type |
||
| 2186 | __lshift(result_type __x) {return (__x << __count) & _Max;}
|
||
| 2187 | |||
| 2188 | template <size_t __count> |
||
| 2189 | _LIBCPP_INLINE_VISIBILITY |
||
| 2190 | static |
||
| 2191 | typename enable_if |
||
| 2192 | < |
||
| 2193 | (__count >= __w), |
||
| 2194 | result_type |
||
| 2195 | >::type |
||
| 2196 | __lshift(result_type) {return result_type(0);}
|
||
| 2197 | |||
| 2198 | template <size_t __count> |
||
| 2199 | _LIBCPP_INLINE_VISIBILITY |
||
| 2200 | static |
||
| 2201 | typename enable_if |
||
| 2202 | < |
||
| 2203 | __count < _Dt, |
||
| 2204 | result_type |
||
| 2205 | >::type |
||
| 2206 | __rshift(result_type __x) {return __x >> __count;}
|
||
| 2207 | |||
| 2208 | template <size_t __count> |
||
| 2209 | _LIBCPP_INLINE_VISIBILITY |
||
| 2210 | static |
||
| 2211 | typename enable_if |
||
| 2212 | < |
||
| 2213 | (__count >= _Dt), |
||
| 2214 | result_type |
||
| 2215 | >::type |
||
| 2216 | __rshift(result_type) {return result_type(0);}
|
||
| 2217 | }; |
||
| 2218 | |||
| 2219 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2220 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2221 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2222 | _LIBCPP_CONSTEXPR const size_t |
||
| 2223 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::word_size; |
||
| 2224 | |||
| 2225 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2226 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2227 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2228 | _LIBCPP_CONSTEXPR const size_t |
||
| 2229 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::state_size; |
||
| 2230 | |||
| 2231 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2232 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2233 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2234 | _LIBCPP_CONSTEXPR const size_t |
||
| 2235 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::shift_size; |
||
| 2236 | |||
| 2237 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2238 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2239 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2240 | _LIBCPP_CONSTEXPR const size_t |
||
| 2241 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::mask_bits; |
||
| 2242 | |||
| 2243 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2244 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2245 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2246 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2247 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::xor_mask; |
||
| 2248 | |||
| 2249 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2250 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2251 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2252 | _LIBCPP_CONSTEXPR const size_t |
||
| 2253 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_u; |
||
| 2254 | |||
| 2255 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2256 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2257 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2258 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2259 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_d; |
||
| 2260 | |||
| 2261 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2262 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2263 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2264 | _LIBCPP_CONSTEXPR const size_t |
||
| 2265 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_s; |
||
| 2266 | |||
| 2267 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2268 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2269 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2270 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2271 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_b; |
||
| 2272 | |||
| 2273 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2274 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2275 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2276 | _LIBCPP_CONSTEXPR const size_t |
||
| 2277 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_t; |
||
| 2278 | |||
| 2279 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2280 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2281 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2282 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2283 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_c; |
||
| 2284 | |||
| 2285 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2286 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2287 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2288 | _LIBCPP_CONSTEXPR const size_t |
||
| 2289 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_l; |
||
| 2290 | |||
| 2291 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2292 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2293 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2294 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2295 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::initialization_multiplier; |
||
| 2296 | |||
| 2297 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2298 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2299 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2300 | _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
||
| 2301 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::default_seed; |
||
| 2302 | |||
| 2303 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2304 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2305 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2306 | void |
||
| 2307 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
||
| 2308 | __t, __c, __l, __f>::seed(result_type __sd) |
||
| 2309 | { // __w >= 2
|
||
| 2310 | __x_[0] = __sd & _Max; |
||
| 2311 | for (size_t __i = 1; __i < __n; ++__i) |
||
| 2312 | __x_[__i] = (__f * (__x_[__i-1] ^ __rshift<__w - 2>(__x_[__i-1])) + __i) & _Max; |
||
| 2313 | __i_ = 0; |
||
| 2314 | } |
||
| 2315 | |||
| 2316 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2317 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2318 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2319 | template<class _Sseq> |
||
| 2320 | void |
||
| 2321 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
||
| 2322 | __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 1>) |
||
| 2323 | {
|
||
| 2324 | const unsigned __k = 1; |
||
| 2325 | uint32_t __ar[__n * __k]; |
||
| 2326 | __q.generate(__ar, __ar + __n * __k); |
||
| 2327 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 2328 | __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); |
||
| 2329 | const result_type __mask = __r == _Dt ? result_type(~0) : |
||
| 2330 | (result_type(1) << __r) - result_type(1); |
||
| 2331 | __i_ = 0; |
||
| 2332 | if ((__x_[0] & ~__mask) == 0) |
||
| 2333 | {
|
||
| 2334 | for (size_t __i = 1; __i < __n; ++__i) |
||
| 2335 | if (__x_[__i] != 0) |
||
| 2336 | return; |
||
| 2337 | __x_[0] = _Max; |
||
| 2338 | } |
||
| 2339 | } |
||
| 2340 | |||
| 2341 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2342 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2343 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2344 | template<class _Sseq> |
||
| 2345 | void |
||
| 2346 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
||
| 2347 | __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 2>) |
||
| 2348 | {
|
||
| 2349 | const unsigned __k = 2; |
||
| 2350 | uint32_t __ar[__n * __k]; |
||
| 2351 | __q.generate(__ar, __ar + __n * __k); |
||
| 2352 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 2353 | __x_[__i] = static_cast<result_type>( |
||
| 2354 | (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); |
||
| 2355 | const result_type __mask = __r == _Dt ? result_type(~0) : |
||
| 2356 | (result_type(1) << __r) - result_type(1); |
||
| 2357 | __i_ = 0; |
||
| 2358 | if ((__x_[0] & ~__mask) == 0) |
||
| 2359 | {
|
||
| 2360 | for (size_t __i = 1; __i < __n; ++__i) |
||
| 2361 | if (__x_[__i] != 0) |
||
| 2362 | return; |
||
| 2363 | __x_[0] = _Max; |
||
| 2364 | } |
||
| 2365 | } |
||
| 2366 | |||
| 2367 | template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r, |
||
| 2368 | _UIntType __a, size_t __u, _UIntType __d, size_t __s, |
||
| 2369 | _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f> |
||
| 2370 | _UIntType |
||
| 2371 | mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
||
| 2372 | __t, __c, __l, __f>::operator()() |
||
| 2373 | {
|
||
| 2374 | const size_t __j = (__i_ + 1) % __n; |
||
| 2375 | const result_type __mask = __r == _Dt ? result_type(~0) : |
||
| 2376 | (result_type(1) << __r) - result_type(1); |
||
| 2377 | const result_type _Yp = (__x_[__i_] & ~__mask) | (__x_[__j] & __mask); |
||
| 2378 | const size_t __k = (__i_ + __m) % __n; |
||
| 2379 | __x_[__i_] = __x_[__k] ^ __rshift<1>(_Yp) ^ (__a * (_Yp & 1)); |
||
| 2380 | result_type __z = __x_[__i_] ^ (__rshift<__u>(__x_[__i_]) & __d); |
||
| 2381 | __i_ = __j; |
||
| 2382 | __z ^= __lshift<__s>(__z) & __b; |
||
| 2383 | __z ^= __lshift<__t>(__z) & __c; |
||
| 2384 | return __z ^ __rshift<__l>(__z); |
||
| 2385 | } |
||
| 2386 | |||
| 2387 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2388 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2389 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2390 | bool |
||
| 2391 | operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2392 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2393 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2394 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y) |
||
| 2395 | {
|
||
| 2396 | if (__x.__i_ == __y.__i_) |
||
| 2397 | return _VSTD::equal(__x.__x_, __x.__x_ + _Np, __y.__x_); |
||
| 2398 | if (__x.__i_ == 0 || __y.__i_ == 0) |
||
| 2399 | {
|
||
| 2400 | size_t __j = _VSTD::min(_Np - __x.__i_, _Np - __y.__i_); |
||
| 2401 | if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, |
||
| 2402 | __y.__x_ + __y.__i_)) |
||
| 2403 | return false; |
||
| 2404 | if (__x.__i_ == 0) |
||
| 2405 | return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _Np, __y.__x_); |
||
| 2406 | return _VSTD::equal(__x.__x_, __x.__x_ + (_Np - __j), __y.__x_ + __j); |
||
| 2407 | } |
||
| 2408 | if (__x.__i_ < __y.__i_) |
||
| 2409 | {
|
||
| 2410 | size_t __j = _Np - __y.__i_; |
||
| 2411 | if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), |
||
| 2412 | __y.__x_ + __y.__i_)) |
||
| 2413 | return false; |
||
| 2414 | if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Np, |
||
| 2415 | __y.__x_)) |
||
| 2416 | return false; |
||
| 2417 | return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_, |
||
| 2418 | __y.__x_ + (_Np - (__x.__i_ + __j))); |
||
| 2419 | } |
||
| 2420 | size_t __j = _Np - __x.__i_; |
||
| 2421 | if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), |
||
| 2422 | __x.__x_ + __x.__i_)) |
||
| 2423 | return false; |
||
| 2424 | if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Np, |
||
| 2425 | __x.__x_)) |
||
| 2426 | return false; |
||
| 2427 | return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_, |
||
| 2428 | __x.__x_ + (_Np - (__y.__i_ + __j))); |
||
| 2429 | } |
||
| 2430 | |||
| 2431 | template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2432 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2433 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2434 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2435 | bool |
||
| 2436 | operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2437 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
||
| 2438 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2439 | _Bp, _Tp, _Cp, _Lp, _Fp>& __y) |
||
| 2440 | {
|
||
| 2441 | return !(__x == __y); |
||
| 2442 | } |
||
| 2443 | |||
| 2444 | template <class _CharT, class _Traits, |
||
| 2445 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2446 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2447 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2448 | basic_ostream<_CharT, _Traits>& |
||
| 2449 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2450 | const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2451 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x) |
||
| 2452 | {
|
||
| 2453 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 2454 | __os.flags(ios_base::dec | ios_base::left); |
||
| 2455 | _CharT __sp = __os.widen(' ');
|
||
| 2456 | __os.fill(__sp); |
||
| 2457 | __os << __x.__x_[__x.__i_]; |
||
| 2458 | for (size_t __j = __x.__i_ + 1; __j < _Np; ++__j) |
||
| 2459 | __os << __sp << __x.__x_[__j]; |
||
| 2460 | for (size_t __j = 0; __j < __x.__i_; ++__j) |
||
| 2461 | __os << __sp << __x.__x_[__j]; |
||
| 2462 | return __os; |
||
| 2463 | } |
||
| 2464 | |||
| 2465 | template <class _CharT, class _Traits, |
||
| 2466 | class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
||
| 2467 | _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
||
| 2468 | _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
||
| 2469 | basic_istream<_CharT, _Traits>& |
||
| 2470 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2471 | mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
||
| 2472 | _Bp, _Tp, _Cp, _Lp, _Fp>& __x) |
||
| 2473 | {
|
||
| 2474 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 2475 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 2476 | _UI __t[_Np]; |
||
| 2477 | for (size_t __i = 0; __i < _Np; ++__i) |
||
| 2478 | __is >> __t[__i]; |
||
| 2479 | if (!__is.fail()) |
||
| 2480 | {
|
||
| 2481 | for (size_t __i = 0; __i < _Np; ++__i) |
||
| 2482 | __x.__x_[__i] = __t[__i]; |
||
| 2483 | __x.__i_ = 0; |
||
| 2484 | } |
||
| 2485 | return __is; |
||
| 2486 | } |
||
| 2487 | |||
| 2488 | typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31, |
||
| 2489 | 0x9908b0df, 11, 0xffffffff, |
||
| 2490 | 7, 0x9d2c5680, |
||
| 2491 | 15, 0xefc60000, |
||
| 2492 | 18, 1812433253> mt19937; |
||
| 2493 | typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31, |
||
| 2494 | 0xb5026f5aa96619e9ULL, 29, 0x5555555555555555ULL, |
||
| 2495 | 17, 0x71d67fffeda60000ULL, |
||
| 2496 | 37, 0xfff7eee000000000ULL, |
||
| 2497 | 43, 6364136223846793005ULL> mt19937_64; |
||
| 2498 | |||
| 2499 | // subtract_with_carry_engine |
||
| 2500 | |||
| 2501 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2502 | class _LIBCPP_TYPE_VIS_ONLY subtract_with_carry_engine; |
||
| 2503 | |||
| 2504 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2505 | bool |
||
| 2506 | operator==( |
||
| 2507 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2508 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
||
| 2509 | |||
| 2510 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2511 | _LIBCPP_INLINE_VISIBILITY |
||
| 2512 | bool |
||
| 2513 | operator!=( |
||
| 2514 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2515 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
||
| 2516 | |||
| 2517 | template <class _CharT, class _Traits, |
||
| 2518 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2519 | basic_ostream<_CharT, _Traits>& |
||
| 2520 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2521 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
||
| 2522 | |||
| 2523 | template <class _CharT, class _Traits, |
||
| 2524 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2525 | basic_istream<_CharT, _Traits>& |
||
| 2526 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2527 | subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
||
| 2528 | |||
| 2529 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2530 | class _LIBCPP_TYPE_VIS_ONLY subtract_with_carry_engine |
||
| 2531 | {
|
||
| 2532 | public: |
||
| 2533 | // types |
||
| 2534 | typedef _UIntType result_type; |
||
| 2535 | |||
| 2536 | private: |
||
| 2537 | result_type __x_[__r]; |
||
| 2538 | result_type __c_; |
||
| 2539 | size_t __i_; |
||
| 2540 | |||
| 2541 | static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
||
| 2542 | static_assert( 0 < __w, "subtract_with_carry_engine invalid parameters"); |
||
| 2543 | static_assert(__w <= _Dt, "subtract_with_carry_engine invalid parameters"); |
||
| 2544 | static_assert( 0 < __s, "subtract_with_carry_engine invalid parameters"); |
||
| 2545 | static_assert(__s < __r, "subtract_with_carry_engine invalid parameters"); |
||
| 2546 | public: |
||
| 2547 | static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
||
| 2548 | static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : |
||
| 2549 | (result_type(1) << __w) - result_type(1); |
||
| 2550 | static_assert(_Min < _Max, "subtract_with_carry_engine invalid parameters"); |
||
| 2551 | |||
| 2552 | // engine characteristics |
||
| 2553 | static _LIBCPP_CONSTEXPR const size_t word_size = __w; |
||
| 2554 | static _LIBCPP_CONSTEXPR const size_t short_lag = __s; |
||
| 2555 | static _LIBCPP_CONSTEXPR const size_t long_lag = __r; |
||
| 2556 | _LIBCPP_INLINE_VISIBILITY |
||
| 2557 | static _LIBCPP_CONSTEXPR result_type min() { return _Min; }
|
||
| 2558 | _LIBCPP_INLINE_VISIBILITY |
||
| 2559 | static _LIBCPP_CONSTEXPR result_type max() { return _Max; }
|
||
| 2560 | static _LIBCPP_CONSTEXPR const result_type default_seed = 19780503u; |
||
| 2561 | |||
| 2562 | // constructors and seeding functions |
||
| 2563 | _LIBCPP_INLINE_VISIBILITY |
||
| 2564 | explicit subtract_with_carry_engine(result_type __sd = default_seed) |
||
| 2565 | {seed(__sd);}
|
||
| 2566 | template<class _Sseq> |
||
| 2567 | _LIBCPP_INLINE_VISIBILITY |
||
| 2568 | explicit subtract_with_carry_engine(_Sseq& __q, |
||
| 2569 | typename enable_if<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value>::type* = 0) |
||
| 2570 | {seed(__q);}
|
||
| 2571 | _LIBCPP_INLINE_VISIBILITY |
||
| 2572 | void seed(result_type __sd = default_seed) |
||
| 2573 | {seed(__sd, integral_constant<unsigned, 1 + (__w - 1) / 32>());}
|
||
| 2574 | template<class _Sseq> |
||
| 2575 | _LIBCPP_INLINE_VISIBILITY |
||
| 2576 | typename enable_if |
||
| 2577 | < |
||
| 2578 | __is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, |
||
| 2579 | void |
||
| 2580 | >::type |
||
| 2581 | seed(_Sseq& __q) |
||
| 2582 | {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());}
|
||
| 2583 | |||
| 2584 | // generating functions |
||
| 2585 | result_type operator()(); |
||
| 2586 | _LIBCPP_INLINE_VISIBILITY |
||
| 2587 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 2588 | |||
| 2589 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2590 | friend |
||
| 2591 | bool |
||
| 2592 | operator==( |
||
| 2593 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2594 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
||
| 2595 | |||
| 2596 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2597 | friend |
||
| 2598 | bool |
||
| 2599 | operator!=( |
||
| 2600 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2601 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
||
| 2602 | |||
| 2603 | template <class _CharT, class _Traits, |
||
| 2604 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2605 | friend |
||
| 2606 | basic_ostream<_CharT, _Traits>& |
||
| 2607 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2608 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
||
| 2609 | |||
| 2610 | template <class _CharT, class _Traits, |
||
| 2611 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2612 | friend |
||
| 2613 | basic_istream<_CharT, _Traits>& |
||
| 2614 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2615 | subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
||
| 2616 | |||
| 2617 | private: |
||
| 2618 | |||
| 2619 | void seed(result_type __sd, integral_constant<unsigned, 1>); |
||
| 2620 | void seed(result_type __sd, integral_constant<unsigned, 2>); |
||
| 2621 | template<class _Sseq> |
||
| 2622 | void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
||
| 2623 | template<class _Sseq> |
||
| 2624 | void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
||
| 2625 | }; |
||
| 2626 | |||
| 2627 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2628 | _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::word_size; |
||
| 2629 | |||
| 2630 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2631 | _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::short_lag; |
||
| 2632 | |||
| 2633 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2634 | _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::long_lag; |
||
| 2635 | |||
| 2636 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2637 | _LIBCPP_CONSTEXPR const typename subtract_with_carry_engine<_UIntType, __w, __s, __r>::result_type |
||
| 2638 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::default_seed; |
||
| 2639 | |||
| 2640 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2641 | void |
||
| 2642 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, |
||
| 2643 | integral_constant<unsigned, 1>) |
||
| 2644 | {
|
||
| 2645 | linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> |
||
| 2646 | __e(__sd == 0u ? default_seed : __sd); |
||
| 2647 | for (size_t __i = 0; __i < __r; ++__i) |
||
| 2648 | __x_[__i] = static_cast<result_type>(__e() & _Max); |
||
| 2649 | __c_ = __x_[__r-1] == 0; |
||
| 2650 | __i_ = 0; |
||
| 2651 | } |
||
| 2652 | |||
| 2653 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2654 | void |
||
| 2655 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, |
||
| 2656 | integral_constant<unsigned, 2>) |
||
| 2657 | {
|
||
| 2658 | linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> |
||
| 2659 | __e(__sd == 0u ? default_seed : __sd); |
||
| 2660 | for (size_t __i = 0; __i < __r; ++__i) |
||
| 2661 | {
|
||
| 2662 | result_type __e0 = __e(); |
||
| 2663 | __x_[__i] = static_cast<result_type>( |
||
| 2664 | (__e0 + ((uint64_t)__e() << 32)) & _Max); |
||
| 2665 | } |
||
| 2666 | __c_ = __x_[__r-1] == 0; |
||
| 2667 | __i_ = 0; |
||
| 2668 | } |
||
| 2669 | |||
| 2670 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2671 | template<class _Sseq> |
||
| 2672 | void |
||
| 2673 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, |
||
| 2674 | integral_constant<unsigned, 1>) |
||
| 2675 | {
|
||
| 2676 | const unsigned __k = 1; |
||
| 2677 | uint32_t __ar[__r * __k]; |
||
| 2678 | __q.generate(__ar, __ar + __r * __k); |
||
| 2679 | for (size_t __i = 0; __i < __r; ++__i) |
||
| 2680 | __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); |
||
| 2681 | __c_ = __x_[__r-1] == 0; |
||
| 2682 | __i_ = 0; |
||
| 2683 | } |
||
| 2684 | |||
| 2685 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2686 | template<class _Sseq> |
||
| 2687 | void |
||
| 2688 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, |
||
| 2689 | integral_constant<unsigned, 2>) |
||
| 2690 | {
|
||
| 2691 | const unsigned __k = 2; |
||
| 2692 | uint32_t __ar[__r * __k]; |
||
| 2693 | __q.generate(__ar, __ar + __r * __k); |
||
| 2694 | for (size_t __i = 0; __i < __r; ++__i) |
||
| 2695 | __x_[__i] = static_cast<result_type>( |
||
| 2696 | (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); |
||
| 2697 | __c_ = __x_[__r-1] == 0; |
||
| 2698 | __i_ = 0; |
||
| 2699 | } |
||
| 2700 | |||
| 2701 | template<class _UIntType, size_t __w, size_t __s, size_t __r> |
||
| 2702 | _UIntType |
||
| 2703 | subtract_with_carry_engine<_UIntType, __w, __s, __r>::operator()() |
||
| 2704 | {
|
||
| 2705 | const result_type& __xs = __x_[(__i_ + (__r - __s)) % __r]; |
||
| 2706 | result_type& __xr = __x_[__i_]; |
||
| 2707 | result_type __new_c = __c_ == 0 ? __xs < __xr : __xs != 0 ? __xs <= __xr : 1; |
||
| 2708 | __xr = (__xs - __xr - __c_) & _Max; |
||
| 2709 | __c_ = __new_c; |
||
| 2710 | __i_ = (__i_ + 1) % __r; |
||
| 2711 | return __xr; |
||
| 2712 | } |
||
| 2713 | |||
| 2714 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2715 | bool |
||
| 2716 | operator==( |
||
| 2717 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2718 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y) |
||
| 2719 | {
|
||
| 2720 | if (__x.__c_ != __y.__c_) |
||
| 2721 | return false; |
||
| 2722 | if (__x.__i_ == __y.__i_) |
||
| 2723 | return _VSTD::equal(__x.__x_, __x.__x_ + _Rp, __y.__x_); |
||
| 2724 | if (__x.__i_ == 0 || __y.__i_ == 0) |
||
| 2725 | {
|
||
| 2726 | size_t __j = _VSTD::min(_Rp - __x.__i_, _Rp - __y.__i_); |
||
| 2727 | if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, |
||
| 2728 | __y.__x_ + __y.__i_)) |
||
| 2729 | return false; |
||
| 2730 | if (__x.__i_ == 0) |
||
| 2731 | return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _Rp, __y.__x_); |
||
| 2732 | return _VSTD::equal(__x.__x_, __x.__x_ + (_Rp - __j), __y.__x_ + __j); |
||
| 2733 | } |
||
| 2734 | if (__x.__i_ < __y.__i_) |
||
| 2735 | {
|
||
| 2736 | size_t __j = _Rp - __y.__i_; |
||
| 2737 | if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), |
||
| 2738 | __y.__x_ + __y.__i_)) |
||
| 2739 | return false; |
||
| 2740 | if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Rp, |
||
| 2741 | __y.__x_)) |
||
| 2742 | return false; |
||
| 2743 | return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_, |
||
| 2744 | __y.__x_ + (_Rp - (__x.__i_ + __j))); |
||
| 2745 | } |
||
| 2746 | size_t __j = _Rp - __x.__i_; |
||
| 2747 | if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), |
||
| 2748 | __x.__x_ + __x.__i_)) |
||
| 2749 | return false; |
||
| 2750 | if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Rp, |
||
| 2751 | __x.__x_)) |
||
| 2752 | return false; |
||
| 2753 | return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_, |
||
| 2754 | __x.__x_ + (_Rp - (__y.__i_ + __j))); |
||
| 2755 | } |
||
| 2756 | |||
| 2757 | template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2758 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2759 | bool |
||
| 2760 | operator!=( |
||
| 2761 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
||
| 2762 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y) |
||
| 2763 | {
|
||
| 2764 | return !(__x == __y); |
||
| 2765 | } |
||
| 2766 | |||
| 2767 | template <class _CharT, class _Traits, |
||
| 2768 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2769 | basic_ostream<_CharT, _Traits>& |
||
| 2770 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2771 | const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x) |
||
| 2772 | {
|
||
| 2773 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 2774 | __os.flags(ios_base::dec | ios_base::left); |
||
| 2775 | _CharT __sp = __os.widen(' ');
|
||
| 2776 | __os.fill(__sp); |
||
| 2777 | __os << __x.__x_[__x.__i_]; |
||
| 2778 | for (size_t __j = __x.__i_ + 1; __j < _Rp; ++__j) |
||
| 2779 | __os << __sp << __x.__x_[__j]; |
||
| 2780 | for (size_t __j = 0; __j < __x.__i_; ++__j) |
||
| 2781 | __os << __sp << __x.__x_[__j]; |
||
| 2782 | __os << __sp << __x.__c_; |
||
| 2783 | return __os; |
||
| 2784 | } |
||
| 2785 | |||
| 2786 | template <class _CharT, class _Traits, |
||
| 2787 | class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
||
| 2788 | basic_istream<_CharT, _Traits>& |
||
| 2789 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2790 | subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x) |
||
| 2791 | {
|
||
| 2792 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 2793 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 2794 | _UI __t[_Rp+1]; |
||
| 2795 | for (size_t __i = 0; __i < _Rp+1; ++__i) |
||
| 2796 | __is >> __t[__i]; |
||
| 2797 | if (!__is.fail()) |
||
| 2798 | {
|
||
| 2799 | for (size_t __i = 0; __i < _Rp; ++__i) |
||
| 2800 | __x.__x_[__i] = __t[__i]; |
||
| 2801 | __x.__c_ = __t[_Rp]; |
||
| 2802 | __x.__i_ = 0; |
||
| 2803 | } |
||
| 2804 | return __is; |
||
| 2805 | } |
||
| 2806 | |||
| 2807 | typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base; |
||
| 2808 | typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; |
||
| 2809 | |||
| 2810 | // discard_block_engine |
||
| 2811 | |||
| 2812 | template<class _Engine, size_t __p, size_t __r> |
||
| 2813 | class _LIBCPP_TYPE_VIS_ONLY discard_block_engine |
||
| 2814 | {
|
||
| 2815 | _Engine __e_; |
||
| 2816 | int __n_; |
||
| 2817 | |||
| 2818 | static_assert( 0 < __r, "discard_block_engine invalid parameters"); |
||
| 2819 | static_assert(__r <= __p, "discard_block_engine invalid parameters"); |
||
| 2820 | public: |
||
| 2821 | // types |
||
| 2822 | typedef typename _Engine::result_type result_type; |
||
| 2823 | |||
| 2824 | // engine characteristics |
||
| 2825 | static _LIBCPP_CONSTEXPR const size_t block_size = __p; |
||
| 2826 | static _LIBCPP_CONSTEXPR const size_t used_block = __r; |
||
| 2827 | |||
| 2828 | #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
||
| 2829 | static const result_type _Min = _Engine::_Min; |
||
| 2830 | static const result_type _Max = _Engine::_Max; |
||
| 2831 | #else |
||
| 2832 | static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); |
||
| 2833 | static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); |
||
| 2834 | #endif |
||
| 2835 | |||
| 2836 | _LIBCPP_INLINE_VISIBILITY |
||
| 2837 | static _LIBCPP_CONSTEXPR result_type min() { return _Engine::min(); }
|
||
| 2838 | _LIBCPP_INLINE_VISIBILITY |
||
| 2839 | static _LIBCPP_CONSTEXPR result_type max() { return _Engine::max(); }
|
||
| 2840 | |||
| 2841 | // constructors and seeding functions |
||
| 2842 | _LIBCPP_INLINE_VISIBILITY |
||
| 2843 | discard_block_engine() : __n_(0) {}
|
||
| 2844 | _LIBCPP_INLINE_VISIBILITY |
||
| 2845 | explicit discard_block_engine(const _Engine& __e) |
||
| 2846 | : __e_(__e), __n_(0) {}
|
||
| 2847 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 2848 | _LIBCPP_INLINE_VISIBILITY |
||
| 2849 | explicit discard_block_engine(_Engine&& __e) |
||
| 2850 | : __e_(_VSTD::move(__e)), __n_(0) {}
|
||
| 2851 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 2852 | _LIBCPP_INLINE_VISIBILITY |
||
| 2853 | explicit discard_block_engine(result_type __sd) : __e_(__sd), __n_(0) {}
|
||
| 2854 | template<class _Sseq> |
||
| 2855 | _LIBCPP_INLINE_VISIBILITY |
||
| 2856 | explicit discard_block_engine(_Sseq& __q, |
||
| 2857 | typename enable_if<__is_seed_sequence<_Sseq, discard_block_engine>::value && |
||
| 2858 | !is_convertible<_Sseq, _Engine>::value>::type* = 0) |
||
| 2859 | : __e_(__q), __n_(0) {}
|
||
| 2860 | _LIBCPP_INLINE_VISIBILITY |
||
| 2861 | void seed() {__e_.seed(); __n_ = 0;}
|
||
| 2862 | _LIBCPP_INLINE_VISIBILITY |
||
| 2863 | void seed(result_type __sd) {__e_.seed(__sd); __n_ = 0;}
|
||
| 2864 | template<class _Sseq> |
||
| 2865 | _LIBCPP_INLINE_VISIBILITY |
||
| 2866 | typename enable_if |
||
| 2867 | < |
||
| 2868 | __is_seed_sequence<_Sseq, discard_block_engine>::value, |
||
| 2869 | void |
||
| 2870 | >::type |
||
| 2871 | seed(_Sseq& __q) {__e_.seed(__q); __n_ = 0;}
|
||
| 2872 | |||
| 2873 | // generating functions |
||
| 2874 | result_type operator()(); |
||
| 2875 | _LIBCPP_INLINE_VISIBILITY |
||
| 2876 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 2877 | |||
| 2878 | // property functions |
||
| 2879 | _LIBCPP_INLINE_VISIBILITY |
||
| 2880 | const _Engine& base() const _NOEXCEPT {return __e_;}
|
||
| 2881 | |||
| 2882 | template<class _Eng, size_t _Pp, size_t _Rp> |
||
| 2883 | friend |
||
| 2884 | bool |
||
| 2885 | operator==( |
||
| 2886 | const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
||
| 2887 | const discard_block_engine<_Eng, _Pp, _Rp>& __y); |
||
| 2888 | |||
| 2889 | template<class _Eng, size_t _Pp, size_t _Rp> |
||
| 2890 | friend |
||
| 2891 | bool |
||
| 2892 | operator!=( |
||
| 2893 | const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
||
| 2894 | const discard_block_engine<_Eng, _Pp, _Rp>& __y); |
||
| 2895 | |||
| 2896 | template <class _CharT, class _Traits, |
||
| 2897 | class _Eng, size_t _Pp, size_t _Rp> |
||
| 2898 | friend |
||
| 2899 | basic_ostream<_CharT, _Traits>& |
||
| 2900 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2901 | const discard_block_engine<_Eng, _Pp, _Rp>& __x); |
||
| 2902 | |||
| 2903 | template <class _CharT, class _Traits, |
||
| 2904 | class _Eng, size_t _Pp, size_t _Rp> |
||
| 2905 | friend |
||
| 2906 | basic_istream<_CharT, _Traits>& |
||
| 2907 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2908 | discard_block_engine<_Eng, _Pp, _Rp>& __x); |
||
| 2909 | }; |
||
| 2910 | |||
| 2911 | template<class _Engine, size_t __p, size_t __r> |
||
| 2912 | _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::block_size; |
||
| 2913 | |||
| 2914 | template<class _Engine, size_t __p, size_t __r> |
||
| 2915 | _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::used_block; |
||
| 2916 | |||
| 2917 | template<class _Engine, size_t __p, size_t __r> |
||
| 2918 | typename discard_block_engine<_Engine, __p, __r>::result_type |
||
| 2919 | discard_block_engine<_Engine, __p, __r>::operator()() |
||
| 2920 | {
|
||
| 2921 | if (__n_ >= __r) |
||
| 2922 | {
|
||
| 2923 | __e_.discard(__p - __r); |
||
| 2924 | __n_ = 0; |
||
| 2925 | } |
||
| 2926 | ++__n_; |
||
| 2927 | return __e_(); |
||
| 2928 | } |
||
| 2929 | |||
| 2930 | template<class _Eng, size_t _Pp, size_t _Rp> |
||
| 2931 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2932 | bool |
||
| 2933 | operator==(const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
||
| 2934 | const discard_block_engine<_Eng, _Pp, _Rp>& __y) |
||
| 2935 | {
|
||
| 2936 | return __x.__n_ == __y.__n_ && __x.__e_ == __y.__e_; |
||
| 2937 | } |
||
| 2938 | |||
| 2939 | template<class _Eng, size_t _Pp, size_t _Rp> |
||
| 2940 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2941 | bool |
||
| 2942 | operator!=(const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
||
| 2943 | const discard_block_engine<_Eng, _Pp, _Rp>& __y) |
||
| 2944 | {
|
||
| 2945 | return !(__x == __y); |
||
| 2946 | } |
||
| 2947 | |||
| 2948 | template <class _CharT, class _Traits, |
||
| 2949 | class _Eng, size_t _Pp, size_t _Rp> |
||
| 2950 | basic_ostream<_CharT, _Traits>& |
||
| 2951 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 2952 | const discard_block_engine<_Eng, _Pp, _Rp>& __x) |
||
| 2953 | {
|
||
| 2954 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 2955 | __os.flags(ios_base::dec | ios_base::left); |
||
| 2956 | _CharT __sp = __os.widen(' ');
|
||
| 2957 | __os.fill(__sp); |
||
| 2958 | return __os << __x.__e_ << __sp << __x.__n_; |
||
| 2959 | } |
||
| 2960 | |||
| 2961 | template <class _CharT, class _Traits, |
||
| 2962 | class _Eng, size_t _Pp, size_t _Rp> |
||
| 2963 | basic_istream<_CharT, _Traits>& |
||
| 2964 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 2965 | discard_block_engine<_Eng, _Pp, _Rp>& __x) |
||
| 2966 | {
|
||
| 2967 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 2968 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 2969 | _Eng __e; |
||
| 2970 | int __n; |
||
| 2971 | __is >> __e >> __n; |
||
| 2972 | if (!__is.fail()) |
||
| 2973 | {
|
||
| 2974 | __x.__e_ = __e; |
||
| 2975 | __x.__n_ = __n; |
||
| 2976 | } |
||
| 2977 | return __is; |
||
| 2978 | } |
||
| 2979 | |||
| 2980 | typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24; |
||
| 2981 | typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48; |
||
| 2982 | |||
| 2983 | // independent_bits_engine |
||
| 2984 | |||
| 2985 | template<class _Engine, size_t __w, class _UIntType> |
||
| 2986 | class _LIBCPP_TYPE_VIS_ONLY independent_bits_engine |
||
| 2987 | {
|
||
| 2988 | template <class _UI, _UI _R0, size_t _Wp, size_t _Mp> |
||
| 2989 | class __get_n |
||
| 2990 | {
|
||
| 2991 | static _LIBCPP_CONSTEXPR const size_t _Dt = numeric_limits<_UI>::digits; |
||
| 2992 | static _LIBCPP_CONSTEXPR const size_t _Np = _Wp / _Mp + (_Wp % _Mp != 0); |
||
| 2993 | static _LIBCPP_CONSTEXPR const size_t _W0 = _Wp / _Np; |
||
| 2994 | static _LIBCPP_CONSTEXPR const _UI _Y0 = _W0 >= _Dt ? 0 : (_R0 >> _W0) << _W0; |
||
| 2995 | public: |
||
| 2996 | static _LIBCPP_CONSTEXPR const size_t value = _R0 - _Y0 > _Y0 / _Np ? _Np + 1 : _Np; |
||
| 2997 | }; |
||
| 2998 | public: |
||
| 2999 | // types |
||
| 3000 | typedef _UIntType result_type; |
||
| 3001 | |||
| 3002 | private: |
||
| 3003 | _Engine __e_; |
||
| 3004 | |||
| 3005 | static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
||
| 3006 | static_assert( 0 < __w, "independent_bits_engine invalid parameters"); |
||
| 3007 | static_assert(__w <= _Dt, "independent_bits_engine invalid parameters"); |
||
| 3008 | |||
| 3009 | typedef typename _Engine::result_type _Engine_result_type; |
||
| 3010 | typedef typename conditional |
||
| 3011 | < |
||
| 3012 | sizeof(_Engine_result_type) <= sizeof(result_type), |
||
| 3013 | result_type, |
||
| 3014 | _Engine_result_type |
||
| 3015 | >::type _Working_result_type; |
||
| 3016 | #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
||
| 3017 | static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min |
||
| 3018 | + _Working_result_type(1); |
||
| 3019 | #else |
||
| 3020 | static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() |
||
| 3021 | + _Working_result_type(1); |
||
| 3022 | #endif |
||
| 3023 | static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; |
||
| 3024 | static _LIBCPP_CONSTEXPR const size_t __n = __get_n<_Working_result_type, _Rp, __w, __m>::value; |
||
| 3025 | static _LIBCPP_CONSTEXPR const size_t __w0 = __w / __n; |
||
| 3026 | static _LIBCPP_CONSTEXPR const size_t __n0 = __n - __w % __n; |
||
| 3027 | static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; |
||
| 3028 | static _LIBCPP_CONSTEXPR const size_t _EDt = numeric_limits<_Engine_result_type>::digits; |
||
| 3029 | static _LIBCPP_CONSTEXPR const _Working_result_type __y0 = __w0 >= _WDt ? 0 : |
||
| 3030 | (_Rp >> __w0) << __w0; |
||
| 3031 | static _LIBCPP_CONSTEXPR const _Working_result_type __y1 = __w0 >= _WDt - 1 ? 0 : |
||
| 3032 | (_Rp >> (__w0+1)) << (__w0+1); |
||
| 3033 | static _LIBCPP_CONSTEXPR const _Engine_result_type __mask0 = __w0 > 0 ? |
||
| 3034 | _Engine_result_type(~0) >> (_EDt - __w0) : |
||
| 3035 | _Engine_result_type(0); |
||
| 3036 | static _LIBCPP_CONSTEXPR const _Engine_result_type __mask1 = __w0 < _EDt - 1 ? |
||
| 3037 | _Engine_result_type(~0) >> (_EDt - (__w0 + 1)) : |
||
| 3038 | _Engine_result_type(~0); |
||
| 3039 | public: |
||
| 3040 | static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
||
| 3041 | static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : |
||
| 3042 | (result_type(1) << __w) - result_type(1); |
||
| 3043 | static_assert(_Min < _Max, "independent_bits_engine invalid parameters"); |
||
| 3044 | |||
| 3045 | // engine characteristics |
||
| 3046 | _LIBCPP_INLINE_VISIBILITY |
||
| 3047 | static _LIBCPP_CONSTEXPR result_type min() { return _Min; }
|
||
| 3048 | _LIBCPP_INLINE_VISIBILITY |
||
| 3049 | static _LIBCPP_CONSTEXPR result_type max() { return _Max; }
|
||
| 3050 | |||
| 3051 | // constructors and seeding functions |
||
| 3052 | _LIBCPP_INLINE_VISIBILITY |
||
| 3053 | independent_bits_engine() {}
|
||
| 3054 | _LIBCPP_INLINE_VISIBILITY |
||
| 3055 | explicit independent_bits_engine(const _Engine& __e) |
||
| 3056 | : __e_(__e) {}
|
||
| 3057 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 3058 | _LIBCPP_INLINE_VISIBILITY |
||
| 3059 | explicit independent_bits_engine(_Engine&& __e) |
||
| 3060 | : __e_(_VSTD::move(__e)) {}
|
||
| 3061 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 3062 | _LIBCPP_INLINE_VISIBILITY |
||
| 3063 | explicit independent_bits_engine(result_type __sd) : __e_(__sd) {}
|
||
| 3064 | template<class _Sseq> |
||
| 3065 | _LIBCPP_INLINE_VISIBILITY |
||
| 3066 | explicit independent_bits_engine(_Sseq& __q, |
||
| 3067 | typename enable_if<__is_seed_sequence<_Sseq, independent_bits_engine>::value && |
||
| 3068 | !is_convertible<_Sseq, _Engine>::value>::type* = 0) |
||
| 3069 | : __e_(__q) {}
|
||
| 3070 | _LIBCPP_INLINE_VISIBILITY |
||
| 3071 | void seed() {__e_.seed();}
|
||
| 3072 | _LIBCPP_INLINE_VISIBILITY |
||
| 3073 | void seed(result_type __sd) {__e_.seed(__sd);}
|
||
| 3074 | template<class _Sseq> |
||
| 3075 | _LIBCPP_INLINE_VISIBILITY |
||
| 3076 | typename enable_if |
||
| 3077 | < |
||
| 3078 | __is_seed_sequence<_Sseq, independent_bits_engine>::value, |
||
| 3079 | void |
||
| 3080 | >::type |
||
| 3081 | seed(_Sseq& __q) {__e_.seed(__q);}
|
||
| 3082 | |||
| 3083 | // generating functions |
||
| 3084 | _LIBCPP_INLINE_VISIBILITY |
||
| 3085 | result_type operator()() {return __eval(integral_constant<bool, _Rp != 0>());}
|
||
| 3086 | _LIBCPP_INLINE_VISIBILITY |
||
| 3087 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 3088 | |||
| 3089 | // property functions |
||
| 3090 | _LIBCPP_INLINE_VISIBILITY |
||
| 3091 | const _Engine& base() const _NOEXCEPT {return __e_;}
|
||
| 3092 | |||
| 3093 | template<class _Eng, size_t _Wp, class _UI> |
||
| 3094 | friend |
||
| 3095 | bool |
||
| 3096 | operator==( |
||
| 3097 | const independent_bits_engine<_Eng, _Wp, _UI>& __x, |
||
| 3098 | const independent_bits_engine<_Eng, _Wp, _UI>& __y); |
||
| 3099 | |||
| 3100 | template<class _Eng, size_t _Wp, class _UI> |
||
| 3101 | friend |
||
| 3102 | bool |
||
| 3103 | operator!=( |
||
| 3104 | const independent_bits_engine<_Eng, _Wp, _UI>& __x, |
||
| 3105 | const independent_bits_engine<_Eng, _Wp, _UI>& __y); |
||
| 3106 | |||
| 3107 | template <class _CharT, class _Traits, |
||
| 3108 | class _Eng, size_t _Wp, class _UI> |
||
| 3109 | friend |
||
| 3110 | basic_ostream<_CharT, _Traits>& |
||
| 3111 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3112 | const independent_bits_engine<_Eng, _Wp, _UI>& __x); |
||
| 3113 | |||
| 3114 | template <class _CharT, class _Traits, |
||
| 3115 | class _Eng, size_t _Wp, class _UI> |
||
| 3116 | friend |
||
| 3117 | basic_istream<_CharT, _Traits>& |
||
| 3118 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3119 | independent_bits_engine<_Eng, _Wp, _UI>& __x); |
||
| 3120 | |||
| 3121 | private: |
||
| 3122 | result_type __eval(false_type); |
||
| 3123 | result_type __eval(true_type); |
||
| 3124 | |||
| 3125 | template <size_t __count> |
||
| 3126 | _LIBCPP_INLINE_VISIBILITY |
||
| 3127 | static |
||
| 3128 | typename enable_if |
||
| 3129 | < |
||
| 3130 | __count < _Dt, |
||
| 3131 | result_type |
||
| 3132 | >::type |
||
| 3133 | __lshift(result_type __x) {return __x << __count;}
|
||
| 3134 | |||
| 3135 | template <size_t __count> |
||
| 3136 | _LIBCPP_INLINE_VISIBILITY |
||
| 3137 | static |
||
| 3138 | typename enable_if |
||
| 3139 | < |
||
| 3140 | (__count >= _Dt), |
||
| 3141 | result_type |
||
| 3142 | >::type |
||
| 3143 | __lshift(result_type) {return result_type(0);}
|
||
| 3144 | }; |
||
| 3145 | |||
| 3146 | template<class _Engine, size_t __w, class _UIntType> |
||
| 3147 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3148 | _UIntType |
||
| 3149 | independent_bits_engine<_Engine, __w, _UIntType>::__eval(false_type) |
||
| 3150 | {
|
||
| 3151 | return static_cast<result_type>(__e_() & __mask0); |
||
| 3152 | } |
||
| 3153 | |||
| 3154 | template<class _Engine, size_t __w, class _UIntType> |
||
| 3155 | _UIntType |
||
| 3156 | independent_bits_engine<_Engine, __w, _UIntType>::__eval(true_type) |
||
| 3157 | {
|
||
| 3158 | result_type _Sp = 0; |
||
| 3159 | for (size_t __k = 0; __k < __n0; ++__k) |
||
| 3160 | {
|
||
| 3161 | _Engine_result_type __u; |
||
| 3162 | do |
||
| 3163 | {
|
||
| 3164 | __u = __e_() - _Engine::min(); |
||
| 3165 | } while (__u >= __y0); |
||
| 3166 | _Sp = static_cast<result_type>(__lshift<__w0>(_Sp) + (__u & __mask0)); |
||
| 3167 | } |
||
| 3168 | for (size_t __k = __n0; __k < __n; ++__k) |
||
| 3169 | {
|
||
| 3170 | _Engine_result_type __u; |
||
| 3171 | do |
||
| 3172 | {
|
||
| 3173 | __u = __e_() - _Engine::min(); |
||
| 3174 | } while (__u >= __y1); |
||
| 3175 | _Sp = static_cast<result_type>(__lshift<__w0+1>(_Sp) + (__u & __mask1)); |
||
| 3176 | } |
||
| 3177 | return _Sp; |
||
| 3178 | } |
||
| 3179 | |||
| 3180 | template<class _Eng, size_t _Wp, class _UI> |
||
| 3181 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3182 | bool |
||
| 3183 | operator==( |
||
| 3184 | const independent_bits_engine<_Eng, _Wp, _UI>& __x, |
||
| 3185 | const independent_bits_engine<_Eng, _Wp, _UI>& __y) |
||
| 3186 | {
|
||
| 3187 | return __x.base() == __y.base(); |
||
| 3188 | } |
||
| 3189 | |||
| 3190 | template<class _Eng, size_t _Wp, class _UI> |
||
| 3191 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3192 | bool |
||
| 3193 | operator!=( |
||
| 3194 | const independent_bits_engine<_Eng, _Wp, _UI>& __x, |
||
| 3195 | const independent_bits_engine<_Eng, _Wp, _UI>& __y) |
||
| 3196 | {
|
||
| 3197 | return !(__x == __y); |
||
| 3198 | } |
||
| 3199 | |||
| 3200 | template <class _CharT, class _Traits, |
||
| 3201 | class _Eng, size_t _Wp, class _UI> |
||
| 3202 | basic_ostream<_CharT, _Traits>& |
||
| 3203 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3204 | const independent_bits_engine<_Eng, _Wp, _UI>& __x) |
||
| 3205 | {
|
||
| 3206 | return __os << __x.base(); |
||
| 3207 | } |
||
| 3208 | |||
| 3209 | template <class _CharT, class _Traits, |
||
| 3210 | class _Eng, size_t _Wp, class _UI> |
||
| 3211 | basic_istream<_CharT, _Traits>& |
||
| 3212 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3213 | independent_bits_engine<_Eng, _Wp, _UI>& __x) |
||
| 3214 | {
|
||
| 3215 | _Eng __e; |
||
| 3216 | __is >> __e; |
||
| 3217 | if (!__is.fail()) |
||
| 3218 | __x.__e_ = __e; |
||
| 3219 | return __is; |
||
| 3220 | } |
||
| 3221 | |||
| 3222 | // shuffle_order_engine |
||
| 3223 | |||
| 3224 | template <uint64_t _Xp, uint64_t _Yp> |
||
| 3225 | struct __ugcd |
||
| 3226 | {
|
||
| 3227 | static _LIBCPP_CONSTEXPR const uint64_t value = __ugcd<_Yp, _Xp % _Yp>::value; |
||
| 3228 | }; |
||
| 3229 | |||
| 3230 | template <uint64_t _Xp> |
||
| 3231 | struct __ugcd<_Xp, 0> |
||
| 3232 | {
|
||
| 3233 | static _LIBCPP_CONSTEXPR const uint64_t value = _Xp; |
||
| 3234 | }; |
||
| 3235 | |||
| 3236 | template <uint64_t _Np, uint64_t _Dp> |
||
| 3237 | class __uratio |
||
| 3238 | {
|
||
| 3239 | static_assert(_Dp != 0, "__uratio divide by 0"); |
||
| 3240 | static _LIBCPP_CONSTEXPR const uint64_t __gcd = __ugcd<_Np, _Dp>::value; |
||
| 3241 | public: |
||
| 3242 | static _LIBCPP_CONSTEXPR const uint64_t num = _Np / __gcd; |
||
| 3243 | static _LIBCPP_CONSTEXPR const uint64_t den = _Dp / __gcd; |
||
| 3244 | |||
| 3245 | typedef __uratio<num, den> type; |
||
| 3246 | }; |
||
| 3247 | |||
| 3248 | template<class _Engine, size_t __k> |
||
| 3249 | class _LIBCPP_TYPE_VIS_ONLY shuffle_order_engine |
||
| 3250 | {
|
||
| 3251 | static_assert(0 < __k, "shuffle_order_engine invalid parameters"); |
||
| 3252 | public: |
||
| 3253 | // types |
||
| 3254 | typedef typename _Engine::result_type result_type; |
||
| 3255 | |||
| 3256 | private: |
||
| 3257 | _Engine __e_; |
||
| 3258 | result_type _V_[__k]; |
||
| 3259 | result_type _Y_; |
||
| 3260 | |||
| 3261 | public: |
||
| 3262 | // engine characteristics |
||
| 3263 | static _LIBCPP_CONSTEXPR const size_t table_size = __k; |
||
| 3264 | |||
| 3265 | #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
||
| 3266 | static const result_type _Min = _Engine::_Min; |
||
| 3267 | static const result_type _Max = _Engine::_Max; |
||
| 3268 | #else |
||
| 3269 | static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); |
||
| 3270 | static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); |
||
| 3271 | #endif |
||
| 3272 | static_assert(_Min < _Max, "shuffle_order_engine invalid parameters"); |
||
| 3273 | _LIBCPP_INLINE_VISIBILITY |
||
| 3274 | static _LIBCPP_CONSTEXPR result_type min() { return _Min; }
|
||
| 3275 | _LIBCPP_INLINE_VISIBILITY |
||
| 3276 | static _LIBCPP_CONSTEXPR result_type max() { return _Max; }
|
||
| 3277 | |||
| 3278 | static _LIBCPP_CONSTEXPR const unsigned long long _Rp = _Max - _Min + 1ull; |
||
| 3279 | |||
| 3280 | // constructors and seeding functions |
||
| 3281 | _LIBCPP_INLINE_VISIBILITY |
||
| 3282 | shuffle_order_engine() {__init();}
|
||
| 3283 | _LIBCPP_INLINE_VISIBILITY |
||
| 3284 | explicit shuffle_order_engine(const _Engine& __e) |
||
| 3285 | : __e_(__e) {__init();}
|
||
| 3286 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 3287 | _LIBCPP_INLINE_VISIBILITY |
||
| 3288 | explicit shuffle_order_engine(_Engine&& __e) |
||
| 3289 | : __e_(_VSTD::move(__e)) {__init();}
|
||
| 3290 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 3291 | _LIBCPP_INLINE_VISIBILITY |
||
| 3292 | explicit shuffle_order_engine(result_type __sd) : __e_(__sd) {__init();}
|
||
| 3293 | template<class _Sseq> |
||
| 3294 | _LIBCPP_INLINE_VISIBILITY |
||
| 3295 | explicit shuffle_order_engine(_Sseq& __q, |
||
| 3296 | typename enable_if<__is_seed_sequence<_Sseq, shuffle_order_engine>::value && |
||
| 3297 | !is_convertible<_Sseq, _Engine>::value>::type* = 0) |
||
| 3298 | : __e_(__q) {__init();}
|
||
| 3299 | _LIBCPP_INLINE_VISIBILITY |
||
| 3300 | void seed() {__e_.seed(); __init();}
|
||
| 3301 | _LIBCPP_INLINE_VISIBILITY |
||
| 3302 | void seed(result_type __sd) {__e_.seed(__sd); __init();}
|
||
| 3303 | template<class _Sseq> |
||
| 3304 | _LIBCPP_INLINE_VISIBILITY |
||
| 3305 | typename enable_if |
||
| 3306 | < |
||
| 3307 | __is_seed_sequence<_Sseq, shuffle_order_engine>::value, |
||
| 3308 | void |
||
| 3309 | >::type |
||
| 3310 | seed(_Sseq& __q) {__e_.seed(__q); __init();}
|
||
| 3311 | |||
| 3312 | // generating functions |
||
| 3313 | _LIBCPP_INLINE_VISIBILITY |
||
| 3314 | result_type operator()() {return __eval(integral_constant<bool, _Rp != 0>());}
|
||
| 3315 | _LIBCPP_INLINE_VISIBILITY |
||
| 3316 | void discard(unsigned long long __z) {for (; __z; --__z) operator()();}
|
||
| 3317 | |||
| 3318 | // property functions |
||
| 3319 | _LIBCPP_INLINE_VISIBILITY |
||
| 3320 | const _Engine& base() const _NOEXCEPT {return __e_;}
|
||
| 3321 | |||
| 3322 | private: |
||
| 3323 | template<class _Eng, size_t _Kp> |
||
| 3324 | friend |
||
| 3325 | bool |
||
| 3326 | operator==( |
||
| 3327 | const shuffle_order_engine<_Eng, _Kp>& __x, |
||
| 3328 | const shuffle_order_engine<_Eng, _Kp>& __y); |
||
| 3329 | |||
| 3330 | template<class _Eng, size_t _Kp> |
||
| 3331 | friend |
||
| 3332 | bool |
||
| 3333 | operator!=( |
||
| 3334 | const shuffle_order_engine<_Eng, _Kp>& __x, |
||
| 3335 | const shuffle_order_engine<_Eng, _Kp>& __y); |
||
| 3336 | |||
| 3337 | template <class _CharT, class _Traits, |
||
| 3338 | class _Eng, size_t _Kp> |
||
| 3339 | friend |
||
| 3340 | basic_ostream<_CharT, _Traits>& |
||
| 3341 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3342 | const shuffle_order_engine<_Eng, _Kp>& __x); |
||
| 3343 | |||
| 3344 | template <class _CharT, class _Traits, |
||
| 3345 | class _Eng, size_t _Kp> |
||
| 3346 | friend |
||
| 3347 | basic_istream<_CharT, _Traits>& |
||
| 3348 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3349 | shuffle_order_engine<_Eng, _Kp>& __x); |
||
| 3350 | |||
| 3351 | _LIBCPP_INLINE_VISIBILITY |
||
| 3352 | void __init() |
||
| 3353 | {
|
||
| 3354 | for (size_t __i = 0; __i < __k; ++__i) |
||
| 3355 | _V_[__i] = __e_(); |
||
| 3356 | _Y_ = __e_(); |
||
| 3357 | } |
||
| 3358 | |||
| 3359 | _LIBCPP_INLINE_VISIBILITY |
||
| 3360 | result_type __eval(false_type) {return __eval2(integral_constant<bool, __k & 1>());}
|
||
| 3361 | _LIBCPP_INLINE_VISIBILITY |
||
| 3362 | result_type __eval(true_type) {return __eval(__uratio<__k, _Rp>());}
|
||
| 3363 | |||
| 3364 | _LIBCPP_INLINE_VISIBILITY |
||
| 3365 | result_type __eval2(false_type) {return __eval(__uratio<__k/2, 0x8000000000000000ull>());}
|
||
| 3366 | _LIBCPP_INLINE_VISIBILITY |
||
| 3367 | result_type __eval2(true_type) {return __evalf<__k, 0>();}
|
||
| 3368 | |||
| 3369 | template <uint64_t _Np, uint64_t _Dp> |
||
| 3370 | _LIBCPP_INLINE_VISIBILITY |
||
| 3371 | typename enable_if |
||
| 3372 | < |
||
| 3373 | (__uratio<_Np, _Dp>::num > 0xFFFFFFFFFFFFFFFFull / (_Max - _Min)), |
||
| 3374 | result_type |
||
| 3375 | >::type |
||
| 3376 | __eval(__uratio<_Np, _Dp>) |
||
| 3377 | {return __evalf<__uratio<_Np, _Dp>::num, __uratio<_Np, _Dp>::den>();}
|
||
| 3378 | |||
| 3379 | template <uint64_t _Np, uint64_t _Dp> |
||
| 3380 | _LIBCPP_INLINE_VISIBILITY |
||
| 3381 | typename enable_if |
||
| 3382 | < |
||
| 3383 | __uratio<_Np, _Dp>::num <= 0xFFFFFFFFFFFFFFFFull / (_Max - _Min), |
||
| 3384 | result_type |
||
| 3385 | >::type |
||
| 3386 | __eval(__uratio<_Np, _Dp>) |
||
| 3387 | {
|
||
| 3388 | const size_t __j = static_cast<size_t>(__uratio<_Np, _Dp>::num * (_Y_ - _Min) |
||
| 3389 | / __uratio<_Np, _Dp>::den); |
||
| 3390 | _Y_ = _V_[__j]; |
||
| 3391 | _V_[__j] = __e_(); |
||
| 3392 | return _Y_; |
||
| 3393 | } |
||
| 3394 | |||
| 3395 | template <uint64_t __n, uint64_t __d> |
||
| 3396 | _LIBCPP_INLINE_VISIBILITY |
||
| 3397 | result_type __evalf() |
||
| 3398 | {
|
||
| 3399 | const double _Fp = __d == 0 ? |
||
| 3400 | __n / (2. * 0x8000000000000000ull) : |
||
| 3401 | __n / (double)__d; |
||
| 3402 | const size_t __j = static_cast<size_t>(_Fp * (_Y_ - _Min)); |
||
| 3403 | _Y_ = _V_[__j]; |
||
| 3404 | _V_[__j] = __e_(); |
||
| 3405 | return _Y_; |
||
| 3406 | } |
||
| 3407 | }; |
||
| 3408 | |||
| 3409 | template<class _Engine, size_t __k> |
||
| 3410 | _LIBCPP_CONSTEXPR const size_t shuffle_order_engine<_Engine, __k>::table_size; |
||
| 3411 | |||
| 3412 | template<class _Eng, size_t _Kp> |
||
| 3413 | bool |
||
| 3414 | operator==( |
||
| 3415 | const shuffle_order_engine<_Eng, _Kp>& __x, |
||
| 3416 | const shuffle_order_engine<_Eng, _Kp>& __y) |
||
| 3417 | {
|
||
| 3418 | return __x._Y_ == __y._Y_ && _VSTD::equal(__x._V_, __x._V_ + _Kp, __y._V_) && |
||
| 3419 | __x.__e_ == __y.__e_; |
||
| 3420 | } |
||
| 3421 | |||
| 3422 | template<class _Eng, size_t _Kp> |
||
| 3423 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3424 | bool |
||
| 3425 | operator!=( |
||
| 3426 | const shuffle_order_engine<_Eng, _Kp>& __x, |
||
| 3427 | const shuffle_order_engine<_Eng, _Kp>& __y) |
||
| 3428 | {
|
||
| 3429 | return !(__x == __y); |
||
| 3430 | } |
||
| 3431 | |||
| 3432 | template <class _CharT, class _Traits, |
||
| 3433 | class _Eng, size_t _Kp> |
||
| 3434 | basic_ostream<_CharT, _Traits>& |
||
| 3435 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3436 | const shuffle_order_engine<_Eng, _Kp>& __x) |
||
| 3437 | {
|
||
| 3438 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 3439 | __os.flags(ios_base::dec | ios_base::left); |
||
| 3440 | _CharT __sp = __os.widen(' ');
|
||
| 3441 | __os.fill(__sp); |
||
| 3442 | __os << __x.__e_ << __sp << __x._V_[0]; |
||
| 3443 | for (size_t __i = 1; __i < _Kp; ++__i) |
||
| 3444 | __os << __sp << __x._V_[__i]; |
||
| 3445 | return __os << __sp << __x._Y_; |
||
| 3446 | } |
||
| 3447 | |||
| 3448 | template <class _CharT, class _Traits, |
||
| 3449 | class _Eng, size_t _Kp> |
||
| 3450 | basic_istream<_CharT, _Traits>& |
||
| 3451 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3452 | shuffle_order_engine<_Eng, _Kp>& __x) |
||
| 3453 | {
|
||
| 3454 | typedef typename shuffle_order_engine<_Eng, _Kp>::result_type result_type; |
||
| 3455 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 3456 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 3457 | _Eng __e; |
||
| 3458 | result_type _Vp[_Kp+1]; |
||
| 3459 | __is >> __e; |
||
| 3460 | for (size_t __i = 0; __i < _Kp+1; ++__i) |
||
| 3461 | __is >> _Vp[__i]; |
||
| 3462 | if (!__is.fail()) |
||
| 3463 | {
|
||
| 3464 | __x.__e_ = __e; |
||
| 3465 | for (size_t __i = 0; __i < _Kp; ++__i) |
||
| 3466 | __x._V_[__i] = _Vp[__i]; |
||
| 3467 | __x._Y_ = _Vp[_Kp]; |
||
| 3468 | } |
||
| 3469 | return __is; |
||
| 3470 | } |
||
| 3471 | |||
| 3472 | typedef shuffle_order_engine<minstd_rand0, 256> knuth_b; |
||
| 3473 | |||
| 3474 | // random_device |
||
| 3475 | |||
| 3476 | class _LIBCPP_TYPE_VIS random_device |
||
| 3477 | {
|
||
| 3478 | #ifdef _LIBCPP_USING_DEV_RANDOM |
||
| 3479 | int __f_; |
||
| 3480 | #endif // defined(_LIBCPP_USING_DEV_RANDOM) |
||
| 3481 | public: |
||
| 3482 | // types |
||
| 3483 | typedef unsigned result_type; |
||
| 3484 | |||
| 3485 | // generator characteristics |
||
| 3486 | static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
||
| 3487 | static _LIBCPP_CONSTEXPR const result_type _Max = 0xFFFFFFFFu; |
||
| 3488 | |||
| 3489 | _LIBCPP_INLINE_VISIBILITY |
||
| 3490 | static _LIBCPP_CONSTEXPR result_type min() { return _Min;}
|
||
| 3491 | _LIBCPP_INLINE_VISIBILITY |
||
| 3492 | static _LIBCPP_CONSTEXPR result_type max() { return _Max;}
|
||
| 3493 | |||
| 3494 | // constructors |
||
| 3495 | explicit random_device(const string& __token = "/dev/urandom"); |
||
| 3496 | ~random_device(); |
||
| 3497 | |||
| 3498 | // generating functions |
||
| 3499 | result_type operator()(); |
||
| 3500 | |||
| 3501 | // property functions |
||
| 3502 | double entropy() const _NOEXCEPT; |
||
| 3503 | |||
| 3504 | private: |
||
| 3505 | // no copy functions |
||
| 3506 | random_device(const random_device&); // = delete; |
||
| 3507 | random_device& operator=(const random_device&); // = delete; |
||
| 3508 | }; |
||
| 3509 | |||
| 3510 | // seed_seq |
||
| 3511 | |||
| 3512 | class _LIBCPP_TYPE_VIS_ONLY seed_seq |
||
| 3513 | {
|
||
| 3514 | public: |
||
| 3515 | // types |
||
| 3516 | typedef uint32_t result_type; |
||
| 3517 | |||
| 3518 | private: |
||
| 3519 | vector<result_type> __v_; |
||
| 3520 | |||
| 3521 | template<class _InputIterator> |
||
| 3522 | void init(_InputIterator __first, _InputIterator __last); |
||
| 3523 | public: |
||
| 3524 | // constructors |
||
| 3525 | _LIBCPP_INLINE_VISIBILITY |
||
| 3526 | seed_seq() _NOEXCEPT {}
|
||
| 3527 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 3528 | template<class _Tp> |
||
| 3529 | _LIBCPP_INLINE_VISIBILITY |
||
| 3530 | seed_seq(initializer_list<_Tp> __il) {init(__il.begin(), __il.end());}
|
||
| 3531 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 3532 | |||
| 3533 | template<class _InputIterator> |
||
| 3534 | _LIBCPP_INLINE_VISIBILITY |
||
| 3535 | seed_seq(_InputIterator __first, _InputIterator __last) |
||
| 3536 | {init(__first, __last);}
|
||
| 3537 | |||
| 3538 | // generating functions |
||
| 3539 | template<class _RandomAccessIterator> |
||
| 3540 | void generate(_RandomAccessIterator __first, _RandomAccessIterator __last); |
||
| 3541 | |||
| 3542 | // property functions |
||
| 3543 | _LIBCPP_INLINE_VISIBILITY |
||
| 3544 | size_t size() const _NOEXCEPT {return __v_.size();}
|
||
| 3545 | template<class _OutputIterator> |
||
| 3546 | _LIBCPP_INLINE_VISIBILITY |
||
| 3547 | void param(_OutputIterator __dest) const |
||
| 3548 | {_VSTD::copy(__v_.begin(), __v_.end(), __dest);}
|
||
| 3549 | |||
| 3550 | private: |
||
| 3551 | // no copy functions |
||
| 3552 | seed_seq(const seed_seq&); // = delete; |
||
| 3553 | void operator=(const seed_seq&); // = delete; |
||
| 3554 | |||
| 3555 | _LIBCPP_INLINE_VISIBILITY |
||
| 3556 | static result_type _Tp(result_type __x) {return __x ^ (__x >> 27);}
|
||
| 3557 | }; |
||
| 3558 | |||
| 3559 | template<class _InputIterator> |
||
| 3560 | void |
||
| 3561 | seed_seq::init(_InputIterator __first, _InputIterator __last) |
||
| 3562 | {
|
||
| 3563 | for (_InputIterator __s = __first; __s != __last; ++__s) |
||
| 3564 | __v_.push_back(*__s & 0xFFFFFFFF); |
||
| 3565 | } |
||
| 3566 | |||
| 3567 | template<class _RandomAccessIterator> |
||
| 3568 | void |
||
| 3569 | seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last) |
||
| 3570 | {
|
||
| 3571 | if (__first != __last) |
||
| 3572 | {
|
||
| 3573 | _VSTD::fill(__first, __last, 0x8b8b8b8b); |
||
| 3574 | const size_t __n = static_cast<size_t>(__last - __first); |
||
| 3575 | const size_t __s = __v_.size(); |
||
| 3576 | const size_t __t = (__n >= 623) ? 11 |
||
| 3577 | : (__n >= 68) ? 7 |
||
| 3578 | : (__n >= 39) ? 5 |
||
| 3579 | : (__n >= 7) ? 3 |
||
| 3580 | : (__n - 1) / 2; |
||
| 3581 | const size_t __p = (__n - __t) / 2; |
||
| 3582 | const size_t __q = __p + __t; |
||
| 3583 | const size_t __m = _VSTD::max(__s + 1, __n); |
||
| 3584 | // __k = 0; |
||
| 3585 | {
|
||
| 3586 | result_type __r = 1664525 * _Tp(__first[0] ^ __first[__p] |
||
| 3587 | ^ __first[__n - 1]); |
||
| 3588 | __first[__p] += __r; |
||
| 3589 | __r += __s; |
||
| 3590 | __first[__q] += __r; |
||
| 3591 | __first[0] = __r; |
||
| 3592 | } |
||
| 3593 | for (size_t __k = 1; __k <= __s; ++__k) |
||
| 3594 | {
|
||
| 3595 | const size_t __kmodn = __k % __n; |
||
| 3596 | const size_t __kpmodn = (__k + __p) % __n; |
||
| 3597 | result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] |
||
| 3598 | ^ __first[(__k - 1) % __n]); |
||
| 3599 | __first[__kpmodn] += __r; |
||
| 3600 | __r += __kmodn + __v_[__k-1]; |
||
| 3601 | __first[(__k + __q) % __n] += __r; |
||
| 3602 | __first[__kmodn] = __r; |
||
| 3603 | } |
||
| 3604 | for (size_t __k = __s + 1; __k < __m; ++__k) |
||
| 3605 | {
|
||
| 3606 | const size_t __kmodn = __k % __n; |
||
| 3607 | const size_t __kpmodn = (__k + __p) % __n; |
||
| 3608 | result_type __r = 1664525 * _Tp(__first[__kmodn] ^ __first[__kpmodn] |
||
| 3609 | ^ __first[(__k - 1) % __n]); |
||
| 3610 | __first[__kpmodn] += __r; |
||
| 3611 | __r += __kmodn; |
||
| 3612 | __first[(__k + __q) % __n] += __r; |
||
| 3613 | __first[__kmodn] = __r; |
||
| 3614 | } |
||
| 3615 | for (size_t __k = __m; __k < __m + __n; ++__k) |
||
| 3616 | {
|
||
| 3617 | const size_t __kmodn = __k % __n; |
||
| 3618 | const size_t __kpmodn = (__k + __p) % __n; |
||
| 3619 | result_type __r = 1566083941 * _Tp(__first[__kmodn] + |
||
| 3620 | __first[__kpmodn] + |
||
| 3621 | __first[(__k - 1) % __n]); |
||
| 3622 | __first[__kpmodn] ^= __r; |
||
| 3623 | __r -= __kmodn; |
||
| 3624 | __first[(__k + __q) % __n] ^= __r; |
||
| 3625 | __first[__kmodn] = __r; |
||
| 3626 | } |
||
| 3627 | } |
||
| 3628 | } |
||
| 3629 | |||
| 3630 | // generate_canonical |
||
| 3631 | |||
| 3632 | template<class _RealType, size_t __bits, class _URNG> |
||
| 3633 | _RealType |
||
| 3634 | generate_canonical(_URNG& __g) |
||
| 3635 | {
|
||
| 3636 | const size_t _Dt = numeric_limits<_RealType>::digits; |
||
| 3637 | const size_t __b = _Dt < __bits ? _Dt : __bits; |
||
| 3638 | #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
||
| 3639 | const size_t __logR = __log2<uint64_t, _URNG::_Max - _URNG::_Min + uint64_t(1)>::value; |
||
| 3640 | #else |
||
| 3641 | const size_t __logR = __log2<uint64_t, _URNG::max() - _URNG::min() + uint64_t(1)>::value; |
||
| 3642 | #endif |
||
| 3643 | const size_t __k = __b / __logR + (__b % __logR != 0) + (__b == 0); |
||
| 3644 | const _RealType _Rp = _URNG::max() - _URNG::min() + _RealType(1); |
||
| 3645 | _RealType __base = _Rp; |
||
| 3646 | _RealType _Sp = __g() - _URNG::min(); |
||
| 3647 | for (size_t __i = 1; __i < __k; ++__i, __base *= _Rp) |
||
| 3648 | _Sp += (__g() - _URNG::min()) * __base; |
||
| 3649 | return _Sp / __base; |
||
| 3650 | } |
||
| 3651 | |||
| 3652 | // uniform_int_distribution |
||
| 3653 | |||
| 3654 | // in <algorithm> |
||
| 3655 | |||
| 3656 | template <class _CharT, class _Traits, class _IT> |
||
| 3657 | basic_ostream<_CharT, _Traits>& |
||
| 3658 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3659 | const uniform_int_distribution<_IT>& __x) |
||
| 3660 | {
|
||
| 3661 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 3662 | __os.flags(ios_base::dec | ios_base::left); |
||
| 3663 | _CharT __sp = __os.widen(' ');
|
||
| 3664 | __os.fill(__sp); |
||
| 3665 | return __os << __x.a() << __sp << __x.b(); |
||
| 3666 | } |
||
| 3667 | |||
| 3668 | template <class _CharT, class _Traits, class _IT> |
||
| 3669 | basic_istream<_CharT, _Traits>& |
||
| 3670 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3671 | uniform_int_distribution<_IT>& __x) |
||
| 3672 | {
|
||
| 3673 | typedef uniform_int_distribution<_IT> _Eng; |
||
| 3674 | typedef typename _Eng::result_type result_type; |
||
| 3675 | typedef typename _Eng::param_type param_type; |
||
| 3676 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 3677 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 3678 | result_type __a; |
||
| 3679 | result_type __b; |
||
| 3680 | __is >> __a >> __b; |
||
| 3681 | if (!__is.fail()) |
||
| 3682 | __x.param(param_type(__a, __b)); |
||
| 3683 | return __is; |
||
| 3684 | } |
||
| 3685 | |||
| 3686 | // uniform_real_distribution |
||
| 3687 | |||
| 3688 | template<class _RealType = double> |
||
| 3689 | class _LIBCPP_TYPE_VIS_ONLY uniform_real_distribution |
||
| 3690 | {
|
||
| 3691 | public: |
||
| 3692 | // types |
||
| 3693 | typedef _RealType result_type; |
||
| 3694 | |||
| 3695 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 3696 | {
|
||
| 3697 | result_type __a_; |
||
| 3698 | result_type __b_; |
||
| 3699 | public: |
||
| 3700 | typedef uniform_real_distribution distribution_type; |
||
| 3701 | |||
| 3702 | _LIBCPP_INLINE_VISIBILITY |
||
| 3703 | explicit param_type(result_type __a = 0, |
||
| 3704 | result_type __b = 1) |
||
| 3705 | : __a_(__a), __b_(__b) {}
|
||
| 3706 | |||
| 3707 | _LIBCPP_INLINE_VISIBILITY |
||
| 3708 | result_type a() const {return __a_;}
|
||
| 3709 | _LIBCPP_INLINE_VISIBILITY |
||
| 3710 | result_type b() const {return __b_;}
|
||
| 3711 | |||
| 3712 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3713 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 3714 | {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;}
|
||
| 3715 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3716 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 3717 | {return !(__x == __y);}
|
||
| 3718 | }; |
||
| 3719 | |||
| 3720 | private: |
||
| 3721 | param_type __p_; |
||
| 3722 | |||
| 3723 | public: |
||
| 3724 | // constructors and reset functions |
||
| 3725 | _LIBCPP_INLINE_VISIBILITY |
||
| 3726 | explicit uniform_real_distribution(result_type __a = 0, result_type __b = 1) |
||
| 3727 | : __p_(param_type(__a, __b)) {}
|
||
| 3728 | _LIBCPP_INLINE_VISIBILITY |
||
| 3729 | explicit uniform_real_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 3730 | _LIBCPP_INLINE_VISIBILITY |
||
| 3731 | void reset() {}
|
||
| 3732 | |||
| 3733 | // generating functions |
||
| 3734 | template<class _URNG> |
||
| 3735 | _LIBCPP_INLINE_VISIBILITY |
||
| 3736 | result_type operator()(_URNG& __g) |
||
| 3737 | {return (*this)(__g, __p_);}
|
||
| 3738 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 3739 | |||
| 3740 | // property functions |
||
| 3741 | _LIBCPP_INLINE_VISIBILITY |
||
| 3742 | result_type a() const {return __p_.a();}
|
||
| 3743 | _LIBCPP_INLINE_VISIBILITY |
||
| 3744 | result_type b() const {return __p_.b();}
|
||
| 3745 | |||
| 3746 | _LIBCPP_INLINE_VISIBILITY |
||
| 3747 | param_type param() const {return __p_;}
|
||
| 3748 | _LIBCPP_INLINE_VISIBILITY |
||
| 3749 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 3750 | |||
| 3751 | _LIBCPP_INLINE_VISIBILITY |
||
| 3752 | result_type min() const {return a();}
|
||
| 3753 | _LIBCPP_INLINE_VISIBILITY |
||
| 3754 | result_type max() const {return b();}
|
||
| 3755 | |||
| 3756 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3757 | bool operator==(const uniform_real_distribution& __x, |
||
| 3758 | const uniform_real_distribution& __y) |
||
| 3759 | {return __x.__p_ == __y.__p_;}
|
||
| 3760 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3761 | bool operator!=(const uniform_real_distribution& __x, |
||
| 3762 | const uniform_real_distribution& __y) |
||
| 3763 | {return !(__x == __y);}
|
||
| 3764 | }; |
||
| 3765 | |||
| 3766 | template<class _RealType> |
||
| 3767 | template<class _URNG> |
||
| 3768 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3769 | typename uniform_real_distribution<_RealType>::result_type |
||
| 3770 | uniform_real_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 3771 | {
|
||
| 3772 | return (__p.b() - __p.a()) |
||
| 3773 | * _VSTD::generate_canonical<_RealType, numeric_limits<_RealType>::digits>(__g) |
||
| 3774 | + __p.a(); |
||
| 3775 | } |
||
| 3776 | |||
| 3777 | template <class _CharT, class _Traits, class _RT> |
||
| 3778 | basic_ostream<_CharT, _Traits>& |
||
| 3779 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 3780 | const uniform_real_distribution<_RT>& __x) |
||
| 3781 | {
|
||
| 3782 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 3783 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 3784 | ios_base::scientific); |
||
| 3785 | _CharT __sp = __os.widen(' ');
|
||
| 3786 | __os.fill(__sp); |
||
| 3787 | return __os << __x.a() << __sp << __x.b(); |
||
| 3788 | } |
||
| 3789 | |||
| 3790 | template <class _CharT, class _Traits, class _RT> |
||
| 3791 | basic_istream<_CharT, _Traits>& |
||
| 3792 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 3793 | uniform_real_distribution<_RT>& __x) |
||
| 3794 | {
|
||
| 3795 | typedef uniform_real_distribution<_RT> _Eng; |
||
| 3796 | typedef typename _Eng::result_type result_type; |
||
| 3797 | typedef typename _Eng::param_type param_type; |
||
| 3798 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 3799 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 3800 | result_type __a; |
||
| 3801 | result_type __b; |
||
| 3802 | __is >> __a >> __b; |
||
| 3803 | if (!__is.fail()) |
||
| 3804 | __x.param(param_type(__a, __b)); |
||
| 3805 | return __is; |
||
| 3806 | } |
||
| 3807 | |||
| 3808 | // bernoulli_distribution |
||
| 3809 | |||
| 3810 | class _LIBCPP_TYPE_VIS_ONLY bernoulli_distribution |
||
| 3811 | {
|
||
| 3812 | public: |
||
| 3813 | // types |
||
| 3814 | typedef bool result_type; |
||
| 3815 | |||
| 3816 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 3817 | {
|
||
| 3818 | double __p_; |
||
| 3819 | public: |
||
| 3820 | typedef bernoulli_distribution distribution_type; |
||
| 3821 | |||
| 3822 | _LIBCPP_INLINE_VISIBILITY |
||
| 3823 | explicit param_type(double __p = 0.5) : __p_(__p) {}
|
||
| 3824 | |||
| 3825 | _LIBCPP_INLINE_VISIBILITY |
||
| 3826 | double p() const {return __p_;}
|
||
| 3827 | |||
| 3828 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3829 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 3830 | {return __x.__p_ == __y.__p_;}
|
||
| 3831 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3832 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 3833 | {return !(__x == __y);}
|
||
| 3834 | }; |
||
| 3835 | |||
| 3836 | private: |
||
| 3837 | param_type __p_; |
||
| 3838 | |||
| 3839 | public: |
||
| 3840 | // constructors and reset functions |
||
| 3841 | _LIBCPP_INLINE_VISIBILITY |
||
| 3842 | explicit bernoulli_distribution(double __p = 0.5) |
||
| 3843 | : __p_(param_type(__p)) {}
|
||
| 3844 | _LIBCPP_INLINE_VISIBILITY |
||
| 3845 | explicit bernoulli_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 3846 | _LIBCPP_INLINE_VISIBILITY |
||
| 3847 | void reset() {}
|
||
| 3848 | |||
| 3849 | // generating functions |
||
| 3850 | template<class _URNG> |
||
| 3851 | _LIBCPP_INLINE_VISIBILITY |
||
| 3852 | result_type operator()(_URNG& __g) |
||
| 3853 | {return (*this)(__g, __p_);}
|
||
| 3854 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 3855 | |||
| 3856 | // property functions |
||
| 3857 | _LIBCPP_INLINE_VISIBILITY |
||
| 3858 | double p() const {return __p_.p();}
|
||
| 3859 | |||
| 3860 | _LIBCPP_INLINE_VISIBILITY |
||
| 3861 | param_type param() const {return __p_;}
|
||
| 3862 | _LIBCPP_INLINE_VISIBILITY |
||
| 3863 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 3864 | |||
| 3865 | _LIBCPP_INLINE_VISIBILITY |
||
| 3866 | result_type min() const {return false;}
|
||
| 3867 | _LIBCPP_INLINE_VISIBILITY |
||
| 3868 | result_type max() const {return true;}
|
||
| 3869 | |||
| 3870 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3871 | bool operator==(const bernoulli_distribution& __x, |
||
| 3872 | const bernoulli_distribution& __y) |
||
| 3873 | {return __x.__p_ == __y.__p_;}
|
||
| 3874 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3875 | bool operator!=(const bernoulli_distribution& __x, |
||
| 3876 | const bernoulli_distribution& __y) |
||
| 3877 | {return !(__x == __y);}
|
||
| 3878 | }; |
||
| 3879 | |||
| 3880 | template<class _URNG> |
||
| 3881 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 3882 | bernoulli_distribution::result_type |
||
| 3883 | bernoulli_distribution::operator()(_URNG& __g, const param_type& __p) |
||
| 3884 | {
|
||
| 3885 | uniform_real_distribution<double> __gen; |
||
| 3886 | return __gen(__g) < __p.p(); |
||
| 3887 | } |
||
| 3888 | |||
| 3889 | template <class _CharT, class _Traits> |
||
| 3890 | basic_ostream<_CharT, _Traits>& |
||
| 3891 | operator<<(basic_ostream<_CharT, _Traits>& __os, const bernoulli_distribution& __x) |
||
| 3892 | {
|
||
| 3893 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 3894 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 3895 | ios_base::scientific); |
||
| 3896 | _CharT __sp = __os.widen(' ');
|
||
| 3897 | __os.fill(__sp); |
||
| 3898 | return __os << __x.p(); |
||
| 3899 | } |
||
| 3900 | |||
| 3901 | template <class _CharT, class _Traits> |
||
| 3902 | basic_istream<_CharT, _Traits>& |
||
| 3903 | operator>>(basic_istream<_CharT, _Traits>& __is, bernoulli_distribution& __x) |
||
| 3904 | {
|
||
| 3905 | typedef bernoulli_distribution _Eng; |
||
| 3906 | typedef typename _Eng::param_type param_type; |
||
| 3907 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 3908 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 3909 | double __p; |
||
| 3910 | __is >> __p; |
||
| 3911 | if (!__is.fail()) |
||
| 3912 | __x.param(param_type(__p)); |
||
| 3913 | return __is; |
||
| 3914 | } |
||
| 3915 | |||
| 3916 | // binomial_distribution |
||
| 3917 | |||
| 3918 | template<class _IntType = int> |
||
| 3919 | class _LIBCPP_TYPE_VIS_ONLY binomial_distribution |
||
| 3920 | {
|
||
| 3921 | public: |
||
| 3922 | // types |
||
| 3923 | typedef _IntType result_type; |
||
| 3924 | |||
| 3925 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 3926 | {
|
||
| 3927 | result_type __t_; |
||
| 3928 | double __p_; |
||
| 3929 | double __pr_; |
||
| 3930 | double __odds_ratio_; |
||
| 3931 | result_type __r0_; |
||
| 3932 | public: |
||
| 3933 | typedef binomial_distribution distribution_type; |
||
| 3934 | |||
| 3935 | explicit param_type(result_type __t = 1, double __p = 0.5); |
||
| 3936 | |||
| 3937 | _LIBCPP_INLINE_VISIBILITY |
||
| 3938 | result_type t() const {return __t_;}
|
||
| 3939 | _LIBCPP_INLINE_VISIBILITY |
||
| 3940 | double p() const {return __p_;}
|
||
| 3941 | |||
| 3942 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3943 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 3944 | {return __x.__t_ == __y.__t_ && __x.__p_ == __y.__p_;}
|
||
| 3945 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3946 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 3947 | {return !(__x == __y);}
|
||
| 3948 | |||
| 3949 | friend class binomial_distribution; |
||
| 3950 | }; |
||
| 3951 | |||
| 3952 | private: |
||
| 3953 | param_type __p_; |
||
| 3954 | |||
| 3955 | public: |
||
| 3956 | // constructors and reset functions |
||
| 3957 | _LIBCPP_INLINE_VISIBILITY |
||
| 3958 | explicit binomial_distribution(result_type __t = 1, double __p = 0.5) |
||
| 3959 | : __p_(param_type(__t, __p)) {}
|
||
| 3960 | _LIBCPP_INLINE_VISIBILITY |
||
| 3961 | explicit binomial_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 3962 | _LIBCPP_INLINE_VISIBILITY |
||
| 3963 | void reset() {}
|
||
| 3964 | |||
| 3965 | // generating functions |
||
| 3966 | template<class _URNG> |
||
| 3967 | _LIBCPP_INLINE_VISIBILITY |
||
| 3968 | result_type operator()(_URNG& __g) |
||
| 3969 | {return (*this)(__g, __p_);}
|
||
| 3970 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 3971 | |||
| 3972 | // property functions |
||
| 3973 | _LIBCPP_INLINE_VISIBILITY |
||
| 3974 | result_type t() const {return __p_.t();}
|
||
| 3975 | _LIBCPP_INLINE_VISIBILITY |
||
| 3976 | double p() const {return __p_.p();}
|
||
| 3977 | |||
| 3978 | _LIBCPP_INLINE_VISIBILITY |
||
| 3979 | param_type param() const {return __p_;}
|
||
| 3980 | _LIBCPP_INLINE_VISIBILITY |
||
| 3981 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 3982 | |||
| 3983 | _LIBCPP_INLINE_VISIBILITY |
||
| 3984 | result_type min() const {return 0;}
|
||
| 3985 | _LIBCPP_INLINE_VISIBILITY |
||
| 3986 | result_type max() const {return t();}
|
||
| 3987 | |||
| 3988 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3989 | bool operator==(const binomial_distribution& __x, |
||
| 3990 | const binomial_distribution& __y) |
||
| 3991 | {return __x.__p_ == __y.__p_;}
|
||
| 3992 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 3993 | bool operator!=(const binomial_distribution& __x, |
||
| 3994 | const binomial_distribution& __y) |
||
| 3995 | {return !(__x == __y);}
|
||
| 3996 | }; |
||
| 3997 | |||
| 3998 | template<class _IntType> |
||
| 3999 | binomial_distribution<_IntType>::param_type::param_type(result_type __t, double __p) |
||
| 4000 | : __t_(__t), __p_(__p) |
||
| 4001 | {
|
||
| 4002 | if (0 < __p_ && __p_ < 1) |
||
| 4003 | {
|
||
| 4004 | __r0_ = static_cast<result_type>((__t_ + 1) * __p_); |
||
| 4005 | __pr_ = _VSTD::exp(_VSTD::lgamma(__t_ + 1.) - _VSTD::lgamma(__r0_ + 1.) - |
||
| 4006 | _VSTD::lgamma(__t_ - __r0_ + 1.) + __r0_ * _VSTD::log(__p_) + |
||
| 4007 | (__t_ - __r0_) * _VSTD::log(1 - __p_)); |
||
| 4008 | __odds_ratio_ = __p_ / (1 - __p_); |
||
| 4009 | } |
||
| 4010 | } |
||
| 4011 | |||
| 4012 | // Reference: Kemp, C.D. (1986). `A modal method for generating binomial |
||
| 4013 | // variables', Commun. Statist. - Theor. Meth. 15(3), 805-813. |
||
| 4014 | template<class _IntType> |
||
| 4015 | template<class _URNG> |
||
| 4016 | _IntType |
||
| 4017 | binomial_distribution<_IntType>::operator()(_URNG& __g, const param_type& __pr) |
||
| 4018 | {
|
||
| 4019 | if (__pr.__t_ == 0 || __pr.__p_ == 0) |
||
| 4020 | return 0; |
||
| 4021 | if (__pr.__p_ == 1) |
||
| 4022 | return __pr.__t_; |
||
| 4023 | uniform_real_distribution<double> __gen; |
||
| 4024 | double __u = __gen(__g) - __pr.__pr_; |
||
| 4025 | if (__u < 0) |
||
| 4026 | return __pr.__r0_; |
||
| 4027 | double __pu = __pr.__pr_; |
||
| 4028 | double __pd = __pu; |
||
| 4029 | result_type __ru = __pr.__r0_; |
||
| 4030 | result_type __rd = __ru; |
||
| 4031 | while (true) |
||
| 4032 | {
|
||
| 4033 | if (__rd >= 1) |
||
| 4034 | {
|
||
| 4035 | __pd *= __rd / (__pr.__odds_ratio_ * (__pr.__t_ - __rd + 1)); |
||
| 4036 | __u -= __pd; |
||
| 4037 | if (__u < 0) |
||
| 4038 | return __rd - 1; |
||
| 4039 | } |
||
| 4040 | if ( __rd != 0 ) |
||
| 4041 | --__rd; |
||
| 4042 | ++__ru; |
||
| 4043 | if (__ru <= __pr.__t_) |
||
| 4044 | {
|
||
| 4045 | __pu *= (__pr.__t_ - __ru + 1) * __pr.__odds_ratio_ / __ru; |
||
| 4046 | __u -= __pu; |
||
| 4047 | if (__u < 0) |
||
| 4048 | return __ru; |
||
| 4049 | } |
||
| 4050 | } |
||
| 4051 | } |
||
| 4052 | |||
| 4053 | template <class _CharT, class _Traits, class _IntType> |
||
| 4054 | basic_ostream<_CharT, _Traits>& |
||
| 4055 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4056 | const binomial_distribution<_IntType>& __x) |
||
| 4057 | {
|
||
| 4058 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4059 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4060 | ios_base::scientific); |
||
| 4061 | _CharT __sp = __os.widen(' ');
|
||
| 4062 | __os.fill(__sp); |
||
| 4063 | return __os << __x.t() << __sp << __x.p(); |
||
| 4064 | } |
||
| 4065 | |||
| 4066 | template <class _CharT, class _Traits, class _IntType> |
||
| 4067 | basic_istream<_CharT, _Traits>& |
||
| 4068 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4069 | binomial_distribution<_IntType>& __x) |
||
| 4070 | {
|
||
| 4071 | typedef binomial_distribution<_IntType> _Eng; |
||
| 4072 | typedef typename _Eng::result_type result_type; |
||
| 4073 | typedef typename _Eng::param_type param_type; |
||
| 4074 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4075 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4076 | result_type __t; |
||
| 4077 | double __p; |
||
| 4078 | __is >> __t >> __p; |
||
| 4079 | if (!__is.fail()) |
||
| 4080 | __x.param(param_type(__t, __p)); |
||
| 4081 | return __is; |
||
| 4082 | } |
||
| 4083 | |||
| 4084 | // exponential_distribution |
||
| 4085 | |||
| 4086 | template<class _RealType = double> |
||
| 4087 | class _LIBCPP_TYPE_VIS_ONLY exponential_distribution |
||
| 4088 | {
|
||
| 4089 | public: |
||
| 4090 | // types |
||
| 4091 | typedef _RealType result_type; |
||
| 4092 | |||
| 4093 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4094 | {
|
||
| 4095 | result_type __lambda_; |
||
| 4096 | public: |
||
| 4097 | typedef exponential_distribution distribution_type; |
||
| 4098 | |||
| 4099 | _LIBCPP_INLINE_VISIBILITY |
||
| 4100 | explicit param_type(result_type __lambda = 1) : __lambda_(__lambda) {}
|
||
| 4101 | |||
| 4102 | _LIBCPP_INLINE_VISIBILITY |
||
| 4103 | result_type lambda() const {return __lambda_;}
|
||
| 4104 | |||
| 4105 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4106 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4107 | {return __x.__lambda_ == __y.__lambda_;}
|
||
| 4108 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4109 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4110 | {return !(__x == __y);}
|
||
| 4111 | }; |
||
| 4112 | |||
| 4113 | private: |
||
| 4114 | param_type __p_; |
||
| 4115 | |||
| 4116 | public: |
||
| 4117 | // constructors and reset functions |
||
| 4118 | _LIBCPP_INLINE_VISIBILITY |
||
| 4119 | explicit exponential_distribution(result_type __lambda = 1) |
||
| 4120 | : __p_(param_type(__lambda)) {}
|
||
| 4121 | _LIBCPP_INLINE_VISIBILITY |
||
| 4122 | explicit exponential_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 4123 | _LIBCPP_INLINE_VISIBILITY |
||
| 4124 | void reset() {}
|
||
| 4125 | |||
| 4126 | // generating functions |
||
| 4127 | template<class _URNG> |
||
| 4128 | _LIBCPP_INLINE_VISIBILITY |
||
| 4129 | result_type operator()(_URNG& __g) |
||
| 4130 | {return (*this)(__g, __p_);}
|
||
| 4131 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 4132 | |||
| 4133 | // property functions |
||
| 4134 | _LIBCPP_INLINE_VISIBILITY |
||
| 4135 | result_type lambda() const {return __p_.lambda();}
|
||
| 4136 | |||
| 4137 | _LIBCPP_INLINE_VISIBILITY |
||
| 4138 | param_type param() const {return __p_;}
|
||
| 4139 | _LIBCPP_INLINE_VISIBILITY |
||
| 4140 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4141 | |||
| 4142 | _LIBCPP_INLINE_VISIBILITY |
||
| 4143 | result_type min() const {return 0;}
|
||
| 4144 | _LIBCPP_INLINE_VISIBILITY |
||
| 4145 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 4146 | |||
| 4147 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4148 | bool operator==(const exponential_distribution& __x, |
||
| 4149 | const exponential_distribution& __y) |
||
| 4150 | {return __x.__p_ == __y.__p_;}
|
||
| 4151 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4152 | bool operator!=(const exponential_distribution& __x, |
||
| 4153 | const exponential_distribution& __y) |
||
| 4154 | {return !(__x == __y);}
|
||
| 4155 | }; |
||
| 4156 | |||
| 4157 | template <class _RealType> |
||
| 4158 | template<class _URNG> |
||
| 4159 | _RealType |
||
| 4160 | exponential_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 4161 | {
|
||
| 4162 | return -_VSTD::log |
||
| 4163 | ( |
||
| 4164 | result_type(1) - |
||
| 4165 | _VSTD::generate_canonical<result_type, |
||
| 4166 | numeric_limits<result_type>::digits>(__g) |
||
| 4167 | ) |
||
| 4168 | / __p.lambda(); |
||
| 4169 | } |
||
| 4170 | |||
| 4171 | template <class _CharT, class _Traits, class _RealType> |
||
| 4172 | basic_ostream<_CharT, _Traits>& |
||
| 4173 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4174 | const exponential_distribution<_RealType>& __x) |
||
| 4175 | {
|
||
| 4176 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4177 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4178 | ios_base::scientific); |
||
| 4179 | return __os << __x.lambda(); |
||
| 4180 | } |
||
| 4181 | |||
| 4182 | template <class _CharT, class _Traits, class _RealType> |
||
| 4183 | basic_istream<_CharT, _Traits>& |
||
| 4184 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4185 | exponential_distribution<_RealType>& __x) |
||
| 4186 | {
|
||
| 4187 | typedef exponential_distribution<_RealType> _Eng; |
||
| 4188 | typedef typename _Eng::result_type result_type; |
||
| 4189 | typedef typename _Eng::param_type param_type; |
||
| 4190 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4191 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4192 | result_type __lambda; |
||
| 4193 | __is >> __lambda; |
||
| 4194 | if (!__is.fail()) |
||
| 4195 | __x.param(param_type(__lambda)); |
||
| 4196 | return __is; |
||
| 4197 | } |
||
| 4198 | |||
| 4199 | // normal_distribution |
||
| 4200 | |||
| 4201 | template<class _RealType = double> |
||
| 4202 | class _LIBCPP_TYPE_VIS_ONLY normal_distribution |
||
| 4203 | {
|
||
| 4204 | public: |
||
| 4205 | // types |
||
| 4206 | typedef _RealType result_type; |
||
| 4207 | |||
| 4208 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4209 | {
|
||
| 4210 | result_type __mean_; |
||
| 4211 | result_type __stddev_; |
||
| 4212 | public: |
||
| 4213 | typedef normal_distribution distribution_type; |
||
| 4214 | |||
| 4215 | _LIBCPP_INLINE_VISIBILITY |
||
| 4216 | explicit param_type(result_type __mean = 0, result_type __stddev = 1) |
||
| 4217 | : __mean_(__mean), __stddev_(__stddev) {}
|
||
| 4218 | |||
| 4219 | _LIBCPP_INLINE_VISIBILITY |
||
| 4220 | result_type mean() const {return __mean_;}
|
||
| 4221 | _LIBCPP_INLINE_VISIBILITY |
||
| 4222 | result_type stddev() const {return __stddev_;}
|
||
| 4223 | |||
| 4224 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4225 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4226 | {return __x.__mean_ == __y.__mean_ && __x.__stddev_ == __y.__stddev_;}
|
||
| 4227 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4228 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4229 | {return !(__x == __y);}
|
||
| 4230 | }; |
||
| 4231 | |||
| 4232 | private: |
||
| 4233 | param_type __p_; |
||
| 4234 | result_type _V_; |
||
| 4235 | bool _V_hot_; |
||
| 4236 | |||
| 4237 | public: |
||
| 4238 | // constructors and reset functions |
||
| 4239 | _LIBCPP_INLINE_VISIBILITY |
||
| 4240 | explicit normal_distribution(result_type __mean = 0, result_type __stddev = 1) |
||
| 4241 | : __p_(param_type(__mean, __stddev)), _V_hot_(false) {}
|
||
| 4242 | _LIBCPP_INLINE_VISIBILITY |
||
| 4243 | explicit normal_distribution(const param_type& __p) |
||
| 4244 | : __p_(__p), _V_hot_(false) {}
|
||
| 4245 | _LIBCPP_INLINE_VISIBILITY |
||
| 4246 | void reset() {_V_hot_ = false;}
|
||
| 4247 | |||
| 4248 | // generating functions |
||
| 4249 | template<class _URNG> |
||
| 4250 | _LIBCPP_INLINE_VISIBILITY |
||
| 4251 | result_type operator()(_URNG& __g) |
||
| 4252 | {return (*this)(__g, __p_);}
|
||
| 4253 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 4254 | |||
| 4255 | // property functions |
||
| 4256 | _LIBCPP_INLINE_VISIBILITY |
||
| 4257 | result_type mean() const {return __p_.mean();}
|
||
| 4258 | _LIBCPP_INLINE_VISIBILITY |
||
| 4259 | result_type stddev() const {return __p_.stddev();}
|
||
| 4260 | |||
| 4261 | _LIBCPP_INLINE_VISIBILITY |
||
| 4262 | param_type param() const {return __p_;}
|
||
| 4263 | _LIBCPP_INLINE_VISIBILITY |
||
| 4264 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4265 | |||
| 4266 | _LIBCPP_INLINE_VISIBILITY |
||
| 4267 | result_type min() const {return -numeric_limits<result_type>::infinity();}
|
||
| 4268 | _LIBCPP_INLINE_VISIBILITY |
||
| 4269 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 4270 | |||
| 4271 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4272 | bool operator==(const normal_distribution& __x, |
||
| 4273 | const normal_distribution& __y) |
||
| 4274 | {return __x.__p_ == __y.__p_ && __x._V_hot_ == __y._V_hot_ &&
|
||
| 4275 | (!__x._V_hot_ || __x._V_ == __y._V_);} |
||
| 4276 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4277 | bool operator!=(const normal_distribution& __x, |
||
| 4278 | const normal_distribution& __y) |
||
| 4279 | {return !(__x == __y);}
|
||
| 4280 | |||
| 4281 | template <class _CharT, class _Traits, class _RT> |
||
| 4282 | friend |
||
| 4283 | basic_ostream<_CharT, _Traits>& |
||
| 4284 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4285 | const normal_distribution<_RT>& __x); |
||
| 4286 | |||
| 4287 | template <class _CharT, class _Traits, class _RT> |
||
| 4288 | friend |
||
| 4289 | basic_istream<_CharT, _Traits>& |
||
| 4290 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4291 | normal_distribution<_RT>& __x); |
||
| 4292 | }; |
||
| 4293 | |||
| 4294 | template <class _RealType> |
||
| 4295 | template<class _URNG> |
||
| 4296 | _RealType |
||
| 4297 | normal_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 4298 | {
|
||
| 4299 | result_type _Up; |
||
| 4300 | if (_V_hot_) |
||
| 4301 | {
|
||
| 4302 | _V_hot_ = false; |
||
| 4303 | _Up = _V_; |
||
| 4304 | } |
||
| 4305 | else |
||
| 4306 | {
|
||
| 4307 | uniform_real_distribution<result_type> _Uni(-1, 1); |
||
| 4308 | result_type __u; |
||
| 4309 | result_type __v; |
||
| 4310 | result_type __s; |
||
| 4311 | do |
||
| 4312 | {
|
||
| 4313 | __u = _Uni(__g); |
||
| 4314 | __v = _Uni(__g); |
||
| 4315 | __s = __u * __u + __v * __v; |
||
| 4316 | } while (__s > 1 || __s == 0); |
||
| 4317 | result_type _Fp = _VSTD::sqrt(-2 * _VSTD::log(__s) / __s); |
||
| 4318 | _V_ = __v * _Fp; |
||
| 4319 | _V_hot_ = true; |
||
| 4320 | _Up = __u * _Fp; |
||
| 4321 | } |
||
| 4322 | return _Up * __p.stddev() + __p.mean(); |
||
| 4323 | } |
||
| 4324 | |||
| 4325 | template <class _CharT, class _Traits, class _RT> |
||
| 4326 | basic_ostream<_CharT, _Traits>& |
||
| 4327 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4328 | const normal_distribution<_RT>& __x) |
||
| 4329 | {
|
||
| 4330 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4331 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4332 | ios_base::scientific); |
||
| 4333 | _CharT __sp = __os.widen(' ');
|
||
| 4334 | __os.fill(__sp); |
||
| 4335 | __os << __x.mean() << __sp << __x.stddev() << __sp << __x._V_hot_; |
||
| 4336 | if (__x._V_hot_) |
||
| 4337 | __os << __sp << __x._V_; |
||
| 4338 | return __os; |
||
| 4339 | } |
||
| 4340 | |||
| 4341 | template <class _CharT, class _Traits, class _RT> |
||
| 4342 | basic_istream<_CharT, _Traits>& |
||
| 4343 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4344 | normal_distribution<_RT>& __x) |
||
| 4345 | {
|
||
| 4346 | typedef normal_distribution<_RT> _Eng; |
||
| 4347 | typedef typename _Eng::result_type result_type; |
||
| 4348 | typedef typename _Eng::param_type param_type; |
||
| 4349 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4350 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4351 | result_type __mean; |
||
| 4352 | result_type __stddev; |
||
| 4353 | result_type _Vp = 0; |
||
| 4354 | bool _V_hot = false; |
||
| 4355 | __is >> __mean >> __stddev >> _V_hot; |
||
| 4356 | if (_V_hot) |
||
| 4357 | __is >> _Vp; |
||
| 4358 | if (!__is.fail()) |
||
| 4359 | {
|
||
| 4360 | __x.param(param_type(__mean, __stddev)); |
||
| 4361 | __x._V_hot_ = _V_hot; |
||
| 4362 | __x._V_ = _Vp; |
||
| 4363 | } |
||
| 4364 | return __is; |
||
| 4365 | } |
||
| 4366 | |||
| 4367 | // lognormal_distribution |
||
| 4368 | |||
| 4369 | template<class _RealType = double> |
||
| 4370 | class _LIBCPP_TYPE_VIS_ONLY lognormal_distribution |
||
| 4371 | {
|
||
| 4372 | public: |
||
| 4373 | // types |
||
| 4374 | typedef _RealType result_type; |
||
| 4375 | |||
| 4376 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4377 | {
|
||
| 4378 | normal_distribution<result_type> __nd_; |
||
| 4379 | public: |
||
| 4380 | typedef lognormal_distribution distribution_type; |
||
| 4381 | |||
| 4382 | _LIBCPP_INLINE_VISIBILITY |
||
| 4383 | explicit param_type(result_type __m = 0, result_type __s = 1) |
||
| 4384 | : __nd_(__m, __s) {}
|
||
| 4385 | |||
| 4386 | _LIBCPP_INLINE_VISIBILITY |
||
| 4387 | result_type m() const {return __nd_.mean();}
|
||
| 4388 | _LIBCPP_INLINE_VISIBILITY |
||
| 4389 | result_type s() const {return __nd_.stddev();}
|
||
| 4390 | |||
| 4391 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4392 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4393 | {return __x.__nd_ == __y.__nd_;}
|
||
| 4394 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4395 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4396 | {return !(__x == __y);}
|
||
| 4397 | friend class lognormal_distribution; |
||
| 4398 | |||
| 4399 | template <class _CharT, class _Traits, class _RT> |
||
| 4400 | friend |
||
| 4401 | basic_ostream<_CharT, _Traits>& |
||
| 4402 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4403 | const lognormal_distribution<_RT>& __x); |
||
| 4404 | |||
| 4405 | template <class _CharT, class _Traits, class _RT> |
||
| 4406 | friend |
||
| 4407 | basic_istream<_CharT, _Traits>& |
||
| 4408 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4409 | lognormal_distribution<_RT>& __x); |
||
| 4410 | }; |
||
| 4411 | |||
| 4412 | private: |
||
| 4413 | param_type __p_; |
||
| 4414 | |||
| 4415 | public: |
||
| 4416 | // constructor and reset functions |
||
| 4417 | _LIBCPP_INLINE_VISIBILITY |
||
| 4418 | explicit lognormal_distribution(result_type __m = 0, result_type __s = 1) |
||
| 4419 | : __p_(param_type(__m, __s)) {}
|
||
| 4420 | _LIBCPP_INLINE_VISIBILITY |
||
| 4421 | explicit lognormal_distribution(const param_type& __p) |
||
| 4422 | : __p_(__p) {}
|
||
| 4423 | _LIBCPP_INLINE_VISIBILITY |
||
| 4424 | void reset() {__p_.__nd_.reset();}
|
||
| 4425 | |||
| 4426 | // generating functions |
||
| 4427 | template<class _URNG> |
||
| 4428 | _LIBCPP_INLINE_VISIBILITY |
||
| 4429 | result_type operator()(_URNG& __g) |
||
| 4430 | {return (*this)(__g, __p_);}
|
||
| 4431 | template<class _URNG> |
||
| 4432 | _LIBCPP_INLINE_VISIBILITY |
||
| 4433 | result_type operator()(_URNG& __g, const param_type& __p) |
||
| 4434 | {return _VSTD::exp(const_cast<normal_distribution<result_type>&>(__p.__nd_)(__g));}
|
||
| 4435 | |||
| 4436 | // property functions |
||
| 4437 | _LIBCPP_INLINE_VISIBILITY |
||
| 4438 | result_type m() const {return __p_.m();}
|
||
| 4439 | _LIBCPP_INLINE_VISIBILITY |
||
| 4440 | result_type s() const {return __p_.s();}
|
||
| 4441 | |||
| 4442 | _LIBCPP_INLINE_VISIBILITY |
||
| 4443 | param_type param() const {return __p_;}
|
||
| 4444 | _LIBCPP_INLINE_VISIBILITY |
||
| 4445 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4446 | |||
| 4447 | _LIBCPP_INLINE_VISIBILITY |
||
| 4448 | result_type min() const {return 0;}
|
||
| 4449 | _LIBCPP_INLINE_VISIBILITY |
||
| 4450 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 4451 | |||
| 4452 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4453 | bool operator==(const lognormal_distribution& __x, |
||
| 4454 | const lognormal_distribution& __y) |
||
| 4455 | {return __x.__p_ == __y.__p_;}
|
||
| 4456 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4457 | bool operator!=(const lognormal_distribution& __x, |
||
| 4458 | const lognormal_distribution& __y) |
||
| 4459 | {return !(__x == __y);}
|
||
| 4460 | |||
| 4461 | template <class _CharT, class _Traits, class _RT> |
||
| 4462 | friend |
||
| 4463 | basic_ostream<_CharT, _Traits>& |
||
| 4464 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4465 | const lognormal_distribution<_RT>& __x); |
||
| 4466 | |||
| 4467 | template <class _CharT, class _Traits, class _RT> |
||
| 4468 | friend |
||
| 4469 | basic_istream<_CharT, _Traits>& |
||
| 4470 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4471 | lognormal_distribution<_RT>& __x); |
||
| 4472 | }; |
||
| 4473 | |||
| 4474 | template <class _CharT, class _Traits, class _RT> |
||
| 4475 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 4476 | basic_ostream<_CharT, _Traits>& |
||
| 4477 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4478 | const lognormal_distribution<_RT>& __x) |
||
| 4479 | {
|
||
| 4480 | return __os << __x.__p_.__nd_; |
||
| 4481 | } |
||
| 4482 | |||
| 4483 | template <class _CharT, class _Traits, class _RT> |
||
| 4484 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 4485 | basic_istream<_CharT, _Traits>& |
||
| 4486 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4487 | lognormal_distribution<_RT>& __x) |
||
| 4488 | {
|
||
| 4489 | return __is >> __x.__p_.__nd_; |
||
| 4490 | } |
||
| 4491 | |||
| 4492 | // poisson_distribution |
||
| 4493 | |||
| 4494 | template<class _IntType = int> |
||
| 4495 | class _LIBCPP_TYPE_VIS_ONLY poisson_distribution |
||
| 4496 | {
|
||
| 4497 | public: |
||
| 4498 | // types |
||
| 4499 | typedef _IntType result_type; |
||
| 4500 | |||
| 4501 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4502 | {
|
||
| 4503 | double __mean_; |
||
| 4504 | double __s_; |
||
| 4505 | double __d_; |
||
| 4506 | double __l_; |
||
| 4507 | double __omega_; |
||
| 4508 | double __c0_; |
||
| 4509 | double __c1_; |
||
| 4510 | double __c2_; |
||
| 4511 | double __c3_; |
||
| 4512 | double __c_; |
||
| 4513 | |||
| 4514 | public: |
||
| 4515 | typedef poisson_distribution distribution_type; |
||
| 4516 | |||
| 4517 | explicit param_type(double __mean = 1.0); |
||
| 4518 | |||
| 4519 | _LIBCPP_INLINE_VISIBILITY |
||
| 4520 | double mean() const {return __mean_;}
|
||
| 4521 | |||
| 4522 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4523 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4524 | {return __x.__mean_ == __y.__mean_;}
|
||
| 4525 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4526 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4527 | {return !(__x == __y);}
|
||
| 4528 | |||
| 4529 | friend class poisson_distribution; |
||
| 4530 | }; |
||
| 4531 | |||
| 4532 | private: |
||
| 4533 | param_type __p_; |
||
| 4534 | |||
| 4535 | public: |
||
| 4536 | // constructors and reset functions |
||
| 4537 | _LIBCPP_INLINE_VISIBILITY |
||
| 4538 | explicit poisson_distribution(double __mean = 1.0) : __p_(__mean) {}
|
||
| 4539 | _LIBCPP_INLINE_VISIBILITY |
||
| 4540 | explicit poisson_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 4541 | _LIBCPP_INLINE_VISIBILITY |
||
| 4542 | void reset() {}
|
||
| 4543 | |||
| 4544 | // generating functions |
||
| 4545 | template<class _URNG> |
||
| 4546 | _LIBCPP_INLINE_VISIBILITY |
||
| 4547 | result_type operator()(_URNG& __g) |
||
| 4548 | {return (*this)(__g, __p_);}
|
||
| 4549 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 4550 | |||
| 4551 | // property functions |
||
| 4552 | _LIBCPP_INLINE_VISIBILITY |
||
| 4553 | double mean() const {return __p_.mean();}
|
||
| 4554 | |||
| 4555 | _LIBCPP_INLINE_VISIBILITY |
||
| 4556 | param_type param() const {return __p_;}
|
||
| 4557 | _LIBCPP_INLINE_VISIBILITY |
||
| 4558 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4559 | |||
| 4560 | _LIBCPP_INLINE_VISIBILITY |
||
| 4561 | result_type min() const {return 0;}
|
||
| 4562 | _LIBCPP_INLINE_VISIBILITY |
||
| 4563 | result_type max() const {return numeric_limits<result_type>::max();}
|
||
| 4564 | |||
| 4565 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4566 | bool operator==(const poisson_distribution& __x, |
||
| 4567 | const poisson_distribution& __y) |
||
| 4568 | {return __x.__p_ == __y.__p_;}
|
||
| 4569 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4570 | bool operator!=(const poisson_distribution& __x, |
||
| 4571 | const poisson_distribution& __y) |
||
| 4572 | {return !(__x == __y);}
|
||
| 4573 | }; |
||
| 4574 | |||
| 4575 | template<class _IntType> |
||
| 4576 | poisson_distribution<_IntType>::param_type::param_type(double __mean) |
||
| 4577 | : __mean_(__mean) |
||
| 4578 | {
|
||
| 4579 | if (__mean_ < 10) |
||
| 4580 | {
|
||
| 4581 | __s_ = 0; |
||
| 4582 | __d_ = 0; |
||
| 4583 | __l_ = _VSTD::exp(-__mean_); |
||
| 4584 | __omega_ = 0; |
||
| 4585 | __c3_ = 0; |
||
| 4586 | __c2_ = 0; |
||
| 4587 | __c1_ = 0; |
||
| 4588 | __c0_ = 0; |
||
| 4589 | __c_ = 0; |
||
| 4590 | } |
||
| 4591 | else |
||
| 4592 | {
|
||
| 4593 | __s_ = _VSTD::sqrt(__mean_); |
||
| 4594 | __d_ = 6 * __mean_ * __mean_; |
||
| 4595 | __l_ = static_cast<result_type>(__mean_ - 1.1484); |
||
| 4596 | __omega_ = .3989423 / __s_; |
||
| 4597 | double __b1_ = .4166667E-1 / __mean_; |
||
| 4598 | double __b2_ = .3 * __b1_ * __b1_; |
||
| 4599 | __c3_ = .1428571 * __b1_ * __b2_; |
||
| 4600 | __c2_ = __b2_ - 15. * __c3_; |
||
| 4601 | __c1_ = __b1_ - 6. * __b2_ + 45. * __c3_; |
||
| 4602 | __c0_ = 1. - __b1_ + 3. * __b2_ - 15. * __c3_; |
||
| 4603 | __c_ = .1069 / __mean_; |
||
| 4604 | } |
||
| 4605 | } |
||
| 4606 | |||
| 4607 | template <class _IntType> |
||
| 4608 | template<class _URNG> |
||
| 4609 | _IntType |
||
| 4610 | poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) |
||
| 4611 | {
|
||
| 4612 | result_type __x; |
||
| 4613 | uniform_real_distribution<double> __urd; |
||
| 4614 | if (__pr.__mean_ < 10) |
||
| 4615 | {
|
||
| 4616 | __x = 0; |
||
| 4617 | for (double __p = __urd(__urng); __p > __pr.__l_; ++__x) |
||
| 4618 | __p *= __urd(__urng); |
||
| 4619 | } |
||
| 4620 | else |
||
| 4621 | {
|
||
| 4622 | double __difmuk; |
||
| 4623 | double __g = __pr.__mean_ + __pr.__s_ * normal_distribution<double>()(__urng); |
||
| 4624 | double __u; |
||
| 4625 | if (__g > 0) |
||
| 4626 | {
|
||
| 4627 | __x = static_cast<result_type>(__g); |
||
| 4628 | if (__x >= __pr.__l_) |
||
| 4629 | return __x; |
||
| 4630 | __difmuk = __pr.__mean_ - __x; |
||
| 4631 | __u = __urd(__urng); |
||
| 4632 | if (__pr.__d_ * __u >= __difmuk * __difmuk * __difmuk) |
||
| 4633 | return __x; |
||
| 4634 | } |
||
| 4635 | exponential_distribution<double> __edist; |
||
| 4636 | for (bool __using_exp_dist = false; true; __using_exp_dist = true) |
||
| 4637 | {
|
||
| 4638 | double __e; |
||
| 4639 | if (__using_exp_dist || __g < 0) |
||
| 4640 | {
|
||
| 4641 | double __t; |
||
| 4642 | do |
||
| 4643 | {
|
||
| 4644 | __e = __edist(__urng); |
||
| 4645 | __u = __urd(__urng); |
||
| 4646 | __u += __u - 1; |
||
| 4647 | __t = 1.8 + (__u < 0 ? -__e : __e); |
||
| 4648 | } while (__t <= -.6744); |
||
| 4649 | __x = __pr.__mean_ + __pr.__s_ * __t; |
||
| 4650 | __difmuk = __pr.__mean_ - __x; |
||
| 4651 | __using_exp_dist = true; |
||
| 4652 | } |
||
| 4653 | double __px; |
||
| 4654 | double __py; |
||
| 4655 | if (__x < 10) |
||
| 4656 | {
|
||
| 4657 | const result_type __fac[] = {1, 1, 2, 6, 24, 120, 720, 5040,
|
||
| 4658 | 40320, 362880}; |
||
| 4659 | __px = -__pr.__mean_; |
||
| 4660 | __py = _VSTD::pow(__pr.__mean_, (double)__x) / __fac[__x]; |
||
| 4661 | } |
||
| 4662 | else |
||
| 4663 | {
|
||
| 4664 | double __del = .8333333E-1 / __x; |
||
| 4665 | __del -= 4.8 * __del * __del * __del; |
||
| 4666 | double __v = __difmuk / __x; |
||
| 4667 | if (_VSTD::abs(__v) > 0.25) |
||
| 4668 | __px = __x * _VSTD::log(1 + __v) - __difmuk - __del; |
||
| 4669 | else |
||
| 4670 | __px = __x * __v * __v * (((((((.1250060 * __v + -.1384794) * |
||
| 4671 | __v + .1421878) * __v + -.1661269) * __v + .2000118) * |
||
| 4672 | __v + -.2500068) * __v + .3333333) * __v + -.5) - __del; |
||
| 4673 | __py = .3989423 / _VSTD::sqrt(__x); |
||
| 4674 | } |
||
| 4675 | double __r = (0.5 - __difmuk) / __pr.__s_; |
||
| 4676 | double __r2 = __r * __r; |
||
| 4677 | double __fx = -0.5 * __r2; |
||
| 4678 | double __fy = __pr.__omega_ * (((__pr.__c3_ * __r2 + __pr.__c2_) * |
||
| 4679 | __r2 + __pr.__c1_) * __r2 + __pr.__c0_); |
||
| 4680 | if (__using_exp_dist) |
||
| 4681 | {
|
||
| 4682 | if (__pr.__c_ * _VSTD::abs(__u) <= __py * _VSTD::exp(__px + __e) - |
||
| 4683 | __fy * _VSTD::exp(__fx + __e)) |
||
| 4684 | break; |
||
| 4685 | } |
||
| 4686 | else |
||
| 4687 | {
|
||
| 4688 | if (__fy - __u * __fy <= __py * _VSTD::exp(__px - __fx)) |
||
| 4689 | break; |
||
| 4690 | } |
||
| 4691 | } |
||
| 4692 | } |
||
| 4693 | return __x; |
||
| 4694 | } |
||
| 4695 | |||
| 4696 | template <class _CharT, class _Traits, class _IntType> |
||
| 4697 | basic_ostream<_CharT, _Traits>& |
||
| 4698 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4699 | const poisson_distribution<_IntType>& __x) |
||
| 4700 | {
|
||
| 4701 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4702 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4703 | ios_base::scientific); |
||
| 4704 | return __os << __x.mean(); |
||
| 4705 | } |
||
| 4706 | |||
| 4707 | template <class _CharT, class _Traits, class _IntType> |
||
| 4708 | basic_istream<_CharT, _Traits>& |
||
| 4709 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4710 | poisson_distribution<_IntType>& __x) |
||
| 4711 | {
|
||
| 4712 | typedef poisson_distribution<_IntType> _Eng; |
||
| 4713 | typedef typename _Eng::param_type param_type; |
||
| 4714 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4715 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4716 | double __mean; |
||
| 4717 | __is >> __mean; |
||
| 4718 | if (!__is.fail()) |
||
| 4719 | __x.param(param_type(__mean)); |
||
| 4720 | return __is; |
||
| 4721 | } |
||
| 4722 | |||
| 4723 | // weibull_distribution |
||
| 4724 | |||
| 4725 | template<class _RealType = double> |
||
| 4726 | class _LIBCPP_TYPE_VIS_ONLY weibull_distribution |
||
| 4727 | {
|
||
| 4728 | public: |
||
| 4729 | // types |
||
| 4730 | typedef _RealType result_type; |
||
| 4731 | |||
| 4732 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4733 | {
|
||
| 4734 | result_type __a_; |
||
| 4735 | result_type __b_; |
||
| 4736 | public: |
||
| 4737 | typedef weibull_distribution distribution_type; |
||
| 4738 | |||
| 4739 | _LIBCPP_INLINE_VISIBILITY |
||
| 4740 | explicit param_type(result_type __a = 1, result_type __b = 1) |
||
| 4741 | : __a_(__a), __b_(__b) {}
|
||
| 4742 | |||
| 4743 | _LIBCPP_INLINE_VISIBILITY |
||
| 4744 | result_type a() const {return __a_;}
|
||
| 4745 | _LIBCPP_INLINE_VISIBILITY |
||
| 4746 | result_type b() const {return __b_;}
|
||
| 4747 | |||
| 4748 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4749 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4750 | {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;}
|
||
| 4751 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4752 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4753 | {return !(__x == __y);}
|
||
| 4754 | }; |
||
| 4755 | |||
| 4756 | private: |
||
| 4757 | param_type __p_; |
||
| 4758 | |||
| 4759 | public: |
||
| 4760 | // constructor and reset functions |
||
| 4761 | _LIBCPP_INLINE_VISIBILITY |
||
| 4762 | explicit weibull_distribution(result_type __a = 1, result_type __b = 1) |
||
| 4763 | : __p_(param_type(__a, __b)) {}
|
||
| 4764 | _LIBCPP_INLINE_VISIBILITY |
||
| 4765 | explicit weibull_distribution(const param_type& __p) |
||
| 4766 | : __p_(__p) {}
|
||
| 4767 | _LIBCPP_INLINE_VISIBILITY |
||
| 4768 | void reset() {}
|
||
| 4769 | |||
| 4770 | // generating functions |
||
| 4771 | template<class _URNG> |
||
| 4772 | _LIBCPP_INLINE_VISIBILITY |
||
| 4773 | result_type operator()(_URNG& __g) |
||
| 4774 | {return (*this)(__g, __p_);}
|
||
| 4775 | template<class _URNG> |
||
| 4776 | _LIBCPP_INLINE_VISIBILITY |
||
| 4777 | result_type operator()(_URNG& __g, const param_type& __p) |
||
| 4778 | {return __p.b() *
|
||
| 4779 | _VSTD::pow(exponential_distribution<result_type>()(__g), 1/__p.a());} |
||
| 4780 | |||
| 4781 | // property functions |
||
| 4782 | _LIBCPP_INLINE_VISIBILITY |
||
| 4783 | result_type a() const {return __p_.a();}
|
||
| 4784 | _LIBCPP_INLINE_VISIBILITY |
||
| 4785 | result_type b() const {return __p_.b();}
|
||
| 4786 | |||
| 4787 | _LIBCPP_INLINE_VISIBILITY |
||
| 4788 | param_type param() const {return __p_;}
|
||
| 4789 | _LIBCPP_INLINE_VISIBILITY |
||
| 4790 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4791 | |||
| 4792 | _LIBCPP_INLINE_VISIBILITY |
||
| 4793 | result_type min() const {return 0;}
|
||
| 4794 | _LIBCPP_INLINE_VISIBILITY |
||
| 4795 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 4796 | |||
| 4797 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4798 | bool operator==(const weibull_distribution& __x, |
||
| 4799 | const weibull_distribution& __y) |
||
| 4800 | {return __x.__p_ == __y.__p_;}
|
||
| 4801 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4802 | bool operator!=(const weibull_distribution& __x, |
||
| 4803 | const weibull_distribution& __y) |
||
| 4804 | {return !(__x == __y);}
|
||
| 4805 | }; |
||
| 4806 | |||
| 4807 | template <class _CharT, class _Traits, class _RT> |
||
| 4808 | basic_ostream<_CharT, _Traits>& |
||
| 4809 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4810 | const weibull_distribution<_RT>& __x) |
||
| 4811 | {
|
||
| 4812 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4813 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4814 | ios_base::scientific); |
||
| 4815 | _CharT __sp = __os.widen(' ');
|
||
| 4816 | __os.fill(__sp); |
||
| 4817 | __os << __x.a() << __sp << __x.b(); |
||
| 4818 | return __os; |
||
| 4819 | } |
||
| 4820 | |||
| 4821 | template <class _CharT, class _Traits, class _RT> |
||
| 4822 | basic_istream<_CharT, _Traits>& |
||
| 4823 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4824 | weibull_distribution<_RT>& __x) |
||
| 4825 | {
|
||
| 4826 | typedef weibull_distribution<_RT> _Eng; |
||
| 4827 | typedef typename _Eng::result_type result_type; |
||
| 4828 | typedef typename _Eng::param_type param_type; |
||
| 4829 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4830 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4831 | result_type __a; |
||
| 4832 | result_type __b; |
||
| 4833 | __is >> __a >> __b; |
||
| 4834 | if (!__is.fail()) |
||
| 4835 | __x.param(param_type(__a, __b)); |
||
| 4836 | return __is; |
||
| 4837 | } |
||
| 4838 | |||
| 4839 | template<class _RealType = double> |
||
| 4840 | class _LIBCPP_TYPE_VIS_ONLY extreme_value_distribution |
||
| 4841 | {
|
||
| 4842 | public: |
||
| 4843 | // types |
||
| 4844 | typedef _RealType result_type; |
||
| 4845 | |||
| 4846 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4847 | {
|
||
| 4848 | result_type __a_; |
||
| 4849 | result_type __b_; |
||
| 4850 | public: |
||
| 4851 | typedef extreme_value_distribution distribution_type; |
||
| 4852 | |||
| 4853 | _LIBCPP_INLINE_VISIBILITY |
||
| 4854 | explicit param_type(result_type __a = 0, result_type __b = 1) |
||
| 4855 | : __a_(__a), __b_(__b) {}
|
||
| 4856 | |||
| 4857 | _LIBCPP_INLINE_VISIBILITY |
||
| 4858 | result_type a() const {return __a_;}
|
||
| 4859 | _LIBCPP_INLINE_VISIBILITY |
||
| 4860 | result_type b() const {return __b_;}
|
||
| 4861 | |||
| 4862 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4863 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4864 | {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;}
|
||
| 4865 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4866 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4867 | {return !(__x == __y);}
|
||
| 4868 | }; |
||
| 4869 | |||
| 4870 | private: |
||
| 4871 | param_type __p_; |
||
| 4872 | |||
| 4873 | public: |
||
| 4874 | // constructor and reset functions |
||
| 4875 | _LIBCPP_INLINE_VISIBILITY |
||
| 4876 | explicit extreme_value_distribution(result_type __a = 0, result_type __b = 1) |
||
| 4877 | : __p_(param_type(__a, __b)) {}
|
||
| 4878 | _LIBCPP_INLINE_VISIBILITY |
||
| 4879 | explicit extreme_value_distribution(const param_type& __p) |
||
| 4880 | : __p_(__p) {}
|
||
| 4881 | _LIBCPP_INLINE_VISIBILITY |
||
| 4882 | void reset() {}
|
||
| 4883 | |||
| 4884 | // generating functions |
||
| 4885 | template<class _URNG> |
||
| 4886 | _LIBCPP_INLINE_VISIBILITY |
||
| 4887 | result_type operator()(_URNG& __g) |
||
| 4888 | {return (*this)(__g, __p_);}
|
||
| 4889 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 4890 | |||
| 4891 | // property functions |
||
| 4892 | _LIBCPP_INLINE_VISIBILITY |
||
| 4893 | result_type a() const {return __p_.a();}
|
||
| 4894 | _LIBCPP_INLINE_VISIBILITY |
||
| 4895 | result_type b() const {return __p_.b();}
|
||
| 4896 | |||
| 4897 | _LIBCPP_INLINE_VISIBILITY |
||
| 4898 | param_type param() const {return __p_;}
|
||
| 4899 | _LIBCPP_INLINE_VISIBILITY |
||
| 4900 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 4901 | |||
| 4902 | _LIBCPP_INLINE_VISIBILITY |
||
| 4903 | result_type min() const {return -numeric_limits<result_type>::infinity();}
|
||
| 4904 | _LIBCPP_INLINE_VISIBILITY |
||
| 4905 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 4906 | |||
| 4907 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4908 | bool operator==(const extreme_value_distribution& __x, |
||
| 4909 | const extreme_value_distribution& __y) |
||
| 4910 | {return __x.__p_ == __y.__p_;}
|
||
| 4911 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4912 | bool operator!=(const extreme_value_distribution& __x, |
||
| 4913 | const extreme_value_distribution& __y) |
||
| 4914 | {return !(__x == __y);}
|
||
| 4915 | }; |
||
| 4916 | |||
| 4917 | template<class _RealType> |
||
| 4918 | template<class _URNG> |
||
| 4919 | _RealType |
||
| 4920 | extreme_value_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 4921 | {
|
||
| 4922 | return __p.a() - __p.b() * |
||
| 4923 | _VSTD::log(-_VSTD::log(1-uniform_real_distribution<result_type>()(__g))); |
||
| 4924 | } |
||
| 4925 | |||
| 4926 | template <class _CharT, class _Traits, class _RT> |
||
| 4927 | basic_ostream<_CharT, _Traits>& |
||
| 4928 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 4929 | const extreme_value_distribution<_RT>& __x) |
||
| 4930 | {
|
||
| 4931 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 4932 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 4933 | ios_base::scientific); |
||
| 4934 | _CharT __sp = __os.widen(' ');
|
||
| 4935 | __os.fill(__sp); |
||
| 4936 | __os << __x.a() << __sp << __x.b(); |
||
| 4937 | return __os; |
||
| 4938 | } |
||
| 4939 | |||
| 4940 | template <class _CharT, class _Traits, class _RT> |
||
| 4941 | basic_istream<_CharT, _Traits>& |
||
| 4942 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 4943 | extreme_value_distribution<_RT>& __x) |
||
| 4944 | {
|
||
| 4945 | typedef extreme_value_distribution<_RT> _Eng; |
||
| 4946 | typedef typename _Eng::result_type result_type; |
||
| 4947 | typedef typename _Eng::param_type param_type; |
||
| 4948 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 4949 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 4950 | result_type __a; |
||
| 4951 | result_type __b; |
||
| 4952 | __is >> __a >> __b; |
||
| 4953 | if (!__is.fail()) |
||
| 4954 | __x.param(param_type(__a, __b)); |
||
| 4955 | return __is; |
||
| 4956 | } |
||
| 4957 | |||
| 4958 | // gamma_distribution |
||
| 4959 | |||
| 4960 | template<class _RealType = double> |
||
| 4961 | class _LIBCPP_TYPE_VIS_ONLY gamma_distribution |
||
| 4962 | {
|
||
| 4963 | public: |
||
| 4964 | // types |
||
| 4965 | typedef _RealType result_type; |
||
| 4966 | |||
| 4967 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 4968 | {
|
||
| 4969 | result_type __alpha_; |
||
| 4970 | result_type __beta_; |
||
| 4971 | public: |
||
| 4972 | typedef gamma_distribution distribution_type; |
||
| 4973 | |||
| 4974 | _LIBCPP_INLINE_VISIBILITY |
||
| 4975 | explicit param_type(result_type __alpha = 1, result_type __beta = 1) |
||
| 4976 | : __alpha_(__alpha), __beta_(__beta) {}
|
||
| 4977 | |||
| 4978 | _LIBCPP_INLINE_VISIBILITY |
||
| 4979 | result_type alpha() const {return __alpha_;}
|
||
| 4980 | _LIBCPP_INLINE_VISIBILITY |
||
| 4981 | result_type beta() const {return __beta_;}
|
||
| 4982 | |||
| 4983 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4984 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 4985 | {return __x.__alpha_ == __y.__alpha_ && __x.__beta_ == __y.__beta_;}
|
||
| 4986 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 4987 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 4988 | {return !(__x == __y);}
|
||
| 4989 | }; |
||
| 4990 | |||
| 4991 | private: |
||
| 4992 | param_type __p_; |
||
| 4993 | |||
| 4994 | public: |
||
| 4995 | // constructors and reset functions |
||
| 4996 | _LIBCPP_INLINE_VISIBILITY |
||
| 4997 | explicit gamma_distribution(result_type __alpha = 1, result_type __beta = 1) |
||
| 4998 | : __p_(param_type(__alpha, __beta)) {}
|
||
| 4999 | _LIBCPP_INLINE_VISIBILITY |
||
| 5000 | explicit gamma_distribution(const param_type& __p) |
||
| 5001 | : __p_(__p) {}
|
||
| 5002 | _LIBCPP_INLINE_VISIBILITY |
||
| 5003 | void reset() {}
|
||
| 5004 | |||
| 5005 | // generating functions |
||
| 5006 | template<class _URNG> |
||
| 5007 | _LIBCPP_INLINE_VISIBILITY |
||
| 5008 | result_type operator()(_URNG& __g) |
||
| 5009 | {return (*this)(__g, __p_);}
|
||
| 5010 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5011 | |||
| 5012 | // property functions |
||
| 5013 | _LIBCPP_INLINE_VISIBILITY |
||
| 5014 | result_type alpha() const {return __p_.alpha();}
|
||
| 5015 | _LIBCPP_INLINE_VISIBILITY |
||
| 5016 | result_type beta() const {return __p_.beta();}
|
||
| 5017 | |||
| 5018 | _LIBCPP_INLINE_VISIBILITY |
||
| 5019 | param_type param() const {return __p_;}
|
||
| 5020 | _LIBCPP_INLINE_VISIBILITY |
||
| 5021 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5022 | |||
| 5023 | _LIBCPP_INLINE_VISIBILITY |
||
| 5024 | result_type min() const {return 0;}
|
||
| 5025 | _LIBCPP_INLINE_VISIBILITY |
||
| 5026 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 5027 | |||
| 5028 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5029 | bool operator==(const gamma_distribution& __x, |
||
| 5030 | const gamma_distribution& __y) |
||
| 5031 | {return __x.__p_ == __y.__p_;}
|
||
| 5032 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5033 | bool operator!=(const gamma_distribution& __x, |
||
| 5034 | const gamma_distribution& __y) |
||
| 5035 | {return !(__x == __y);}
|
||
| 5036 | }; |
||
| 5037 | |||
| 5038 | template <class _RealType> |
||
| 5039 | template<class _URNG> |
||
| 5040 | _RealType |
||
| 5041 | gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 5042 | {
|
||
| 5043 | result_type __a = __p.alpha(); |
||
| 5044 | uniform_real_distribution<result_type> __gen(0, 1); |
||
| 5045 | exponential_distribution<result_type> __egen; |
||
| 5046 | result_type __x; |
||
| 5047 | if (__a == 1) |
||
| 5048 | __x = __egen(__g); |
||
| 5049 | else if (__a > 1) |
||
| 5050 | {
|
||
| 5051 | const result_type __b = __a - 1; |
||
| 5052 | const result_type __c = 3 * __a - result_type(0.75); |
||
| 5053 | while (true) |
||
| 5054 | {
|
||
| 5055 | const result_type __u = __gen(__g); |
||
| 5056 | const result_type __v = __gen(__g); |
||
| 5057 | const result_type __w = __u * (1 - __u); |
||
| 5058 | if (__w != 0) |
||
| 5059 | {
|
||
| 5060 | const result_type __y = _VSTD::sqrt(__c / __w) * |
||
| 5061 | (__u - result_type(0.5)); |
||
| 5062 | __x = __b + __y; |
||
| 5063 | if (__x >= 0) |
||
| 5064 | {
|
||
| 5065 | const result_type __z = 64 * __w * __w * __w * __v * __v; |
||
| 5066 | if (__z <= 1 - 2 * __y * __y / __x) |
||
| 5067 | break; |
||
| 5068 | if (_VSTD::log(__z) <= 2 * (__b * _VSTD::log(__x / __b) - __y)) |
||
| 5069 | break; |
||
| 5070 | } |
||
| 5071 | } |
||
| 5072 | } |
||
| 5073 | } |
||
| 5074 | else // __a < 1 |
||
| 5075 | {
|
||
| 5076 | while (true) |
||
| 5077 | {
|
||
| 5078 | const result_type __u = __gen(__g); |
||
| 5079 | const result_type __es = __egen(__g); |
||
| 5080 | if (__u <= 1 - __a) |
||
| 5081 | {
|
||
| 5082 | __x = _VSTD::pow(__u, 1 / __a); |
||
| 5083 | if (__x <= __es) |
||
| 5084 | break; |
||
| 5085 | } |
||
| 5086 | else |
||
| 5087 | {
|
||
| 5088 | const result_type __e = -_VSTD::log((1-__u)/__a); |
||
| 5089 | __x = _VSTD::pow(1 - __a + __a * __e, 1 / __a); |
||
| 5090 | if (__x <= __e + __es) |
||
| 5091 | break; |
||
| 5092 | } |
||
| 5093 | } |
||
| 5094 | } |
||
| 5095 | return __x * __p.beta(); |
||
| 5096 | } |
||
| 5097 | |||
| 5098 | template <class _CharT, class _Traits, class _RT> |
||
| 5099 | basic_ostream<_CharT, _Traits>& |
||
| 5100 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5101 | const gamma_distribution<_RT>& __x) |
||
| 5102 | {
|
||
| 5103 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5104 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5105 | ios_base::scientific); |
||
| 5106 | _CharT __sp = __os.widen(' ');
|
||
| 5107 | __os.fill(__sp); |
||
| 5108 | __os << __x.alpha() << __sp << __x.beta(); |
||
| 5109 | return __os; |
||
| 5110 | } |
||
| 5111 | |||
| 5112 | template <class _CharT, class _Traits, class _RT> |
||
| 5113 | basic_istream<_CharT, _Traits>& |
||
| 5114 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5115 | gamma_distribution<_RT>& __x) |
||
| 5116 | {
|
||
| 5117 | typedef gamma_distribution<_RT> _Eng; |
||
| 5118 | typedef typename _Eng::result_type result_type; |
||
| 5119 | typedef typename _Eng::param_type param_type; |
||
| 5120 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5121 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5122 | result_type __alpha; |
||
| 5123 | result_type __beta; |
||
| 5124 | __is >> __alpha >> __beta; |
||
| 5125 | if (!__is.fail()) |
||
| 5126 | __x.param(param_type(__alpha, __beta)); |
||
| 5127 | return __is; |
||
| 5128 | } |
||
| 5129 | |||
| 5130 | // negative_binomial_distribution |
||
| 5131 | |||
| 5132 | template<class _IntType = int> |
||
| 5133 | class _LIBCPP_TYPE_VIS_ONLY negative_binomial_distribution |
||
| 5134 | {
|
||
| 5135 | public: |
||
| 5136 | // types |
||
| 5137 | typedef _IntType result_type; |
||
| 5138 | |||
| 5139 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5140 | {
|
||
| 5141 | result_type __k_; |
||
| 5142 | double __p_; |
||
| 5143 | public: |
||
| 5144 | typedef negative_binomial_distribution distribution_type; |
||
| 5145 | |||
| 5146 | _LIBCPP_INLINE_VISIBILITY |
||
| 5147 | explicit param_type(result_type __k = 1, double __p = 0.5) |
||
| 5148 | : __k_(__k), __p_(__p) {}
|
||
| 5149 | |||
| 5150 | _LIBCPP_INLINE_VISIBILITY |
||
| 5151 | result_type k() const {return __k_;}
|
||
| 5152 | _LIBCPP_INLINE_VISIBILITY |
||
| 5153 | double p() const {return __p_;}
|
||
| 5154 | |||
| 5155 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5156 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5157 | {return __x.__k_ == __y.__k_ && __x.__p_ == __y.__p_;}
|
||
| 5158 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5159 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5160 | {return !(__x == __y);}
|
||
| 5161 | }; |
||
| 5162 | |||
| 5163 | private: |
||
| 5164 | param_type __p_; |
||
| 5165 | |||
| 5166 | public: |
||
| 5167 | // constructor and reset functions |
||
| 5168 | _LIBCPP_INLINE_VISIBILITY |
||
| 5169 | explicit negative_binomial_distribution(result_type __k = 1, double __p = 0.5) |
||
| 5170 | : __p_(__k, __p) {}
|
||
| 5171 | _LIBCPP_INLINE_VISIBILITY |
||
| 5172 | explicit negative_binomial_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 5173 | _LIBCPP_INLINE_VISIBILITY |
||
| 5174 | void reset() {}
|
||
| 5175 | |||
| 5176 | // generating functions |
||
| 5177 | template<class _URNG> |
||
| 5178 | _LIBCPP_INLINE_VISIBILITY |
||
| 5179 | result_type operator()(_URNG& __g) |
||
| 5180 | {return (*this)(__g, __p_);}
|
||
| 5181 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5182 | |||
| 5183 | // property functions |
||
| 5184 | _LIBCPP_INLINE_VISIBILITY |
||
| 5185 | result_type k() const {return __p_.k();}
|
||
| 5186 | _LIBCPP_INLINE_VISIBILITY |
||
| 5187 | double p() const {return __p_.p();}
|
||
| 5188 | |||
| 5189 | _LIBCPP_INLINE_VISIBILITY |
||
| 5190 | param_type param() const {return __p_;}
|
||
| 5191 | _LIBCPP_INLINE_VISIBILITY |
||
| 5192 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5193 | |||
| 5194 | _LIBCPP_INLINE_VISIBILITY |
||
| 5195 | result_type min() const {return 0;}
|
||
| 5196 | _LIBCPP_INLINE_VISIBILITY |
||
| 5197 | result_type max() const {return numeric_limits<result_type>::max();}
|
||
| 5198 | |||
| 5199 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5200 | bool operator==(const negative_binomial_distribution& __x, |
||
| 5201 | const negative_binomial_distribution& __y) |
||
| 5202 | {return __x.__p_ == __y.__p_;}
|
||
| 5203 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5204 | bool operator!=(const negative_binomial_distribution& __x, |
||
| 5205 | const negative_binomial_distribution& __y) |
||
| 5206 | {return !(__x == __y);}
|
||
| 5207 | }; |
||
| 5208 | |||
| 5209 | template <class _IntType> |
||
| 5210 | template<class _URNG> |
||
| 5211 | _IntType |
||
| 5212 | negative_binomial_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr) |
||
| 5213 | {
|
||
| 5214 | result_type __k = __pr.k(); |
||
| 5215 | double __p = __pr.p(); |
||
| 5216 | if (__k <= 21 * __p) |
||
| 5217 | {
|
||
| 5218 | bernoulli_distribution __gen(__p); |
||
| 5219 | result_type __f = 0; |
||
| 5220 | result_type __s = 0; |
||
| 5221 | while (__s < __k) |
||
| 5222 | {
|
||
| 5223 | if (__gen(__urng)) |
||
| 5224 | ++__s; |
||
| 5225 | else |
||
| 5226 | ++__f; |
||
| 5227 | } |
||
| 5228 | return __f; |
||
| 5229 | } |
||
| 5230 | return poisson_distribution<result_type>(gamma_distribution<double> |
||
| 5231 | (__k, (1-__p)/__p)(__urng))(__urng); |
||
| 5232 | } |
||
| 5233 | |||
| 5234 | template <class _CharT, class _Traits, class _IntType> |
||
| 5235 | basic_ostream<_CharT, _Traits>& |
||
| 5236 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5237 | const negative_binomial_distribution<_IntType>& __x) |
||
| 5238 | {
|
||
| 5239 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5240 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5241 | ios_base::scientific); |
||
| 5242 | _CharT __sp = __os.widen(' ');
|
||
| 5243 | __os.fill(__sp); |
||
| 5244 | return __os << __x.k() << __sp << __x.p(); |
||
| 5245 | } |
||
| 5246 | |||
| 5247 | template <class _CharT, class _Traits, class _IntType> |
||
| 5248 | basic_istream<_CharT, _Traits>& |
||
| 5249 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5250 | negative_binomial_distribution<_IntType>& __x) |
||
| 5251 | {
|
||
| 5252 | typedef negative_binomial_distribution<_IntType> _Eng; |
||
| 5253 | typedef typename _Eng::result_type result_type; |
||
| 5254 | typedef typename _Eng::param_type param_type; |
||
| 5255 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5256 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5257 | result_type __k; |
||
| 5258 | double __p; |
||
| 5259 | __is >> __k >> __p; |
||
| 5260 | if (!__is.fail()) |
||
| 5261 | __x.param(param_type(__k, __p)); |
||
| 5262 | return __is; |
||
| 5263 | } |
||
| 5264 | |||
| 5265 | // geometric_distribution |
||
| 5266 | |||
| 5267 | template<class _IntType = int> |
||
| 5268 | class _LIBCPP_TYPE_VIS_ONLY geometric_distribution |
||
| 5269 | {
|
||
| 5270 | public: |
||
| 5271 | // types |
||
| 5272 | typedef _IntType result_type; |
||
| 5273 | |||
| 5274 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5275 | {
|
||
| 5276 | double __p_; |
||
| 5277 | public: |
||
| 5278 | typedef geometric_distribution distribution_type; |
||
| 5279 | |||
| 5280 | _LIBCPP_INLINE_VISIBILITY |
||
| 5281 | explicit param_type(double __p = 0.5) : __p_(__p) {}
|
||
| 5282 | |||
| 5283 | _LIBCPP_INLINE_VISIBILITY |
||
| 5284 | double p() const {return __p_;}
|
||
| 5285 | |||
| 5286 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5287 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5288 | {return __x.__p_ == __y.__p_;}
|
||
| 5289 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5290 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5291 | {return !(__x == __y);}
|
||
| 5292 | }; |
||
| 5293 | |||
| 5294 | private: |
||
| 5295 | param_type __p_; |
||
| 5296 | |||
| 5297 | public: |
||
| 5298 | // constructors and reset functions |
||
| 5299 | _LIBCPP_INLINE_VISIBILITY |
||
| 5300 | explicit geometric_distribution(double __p = 0.5) : __p_(__p) {}
|
||
| 5301 | _LIBCPP_INLINE_VISIBILITY |
||
| 5302 | explicit geometric_distribution(const param_type& __p) : __p_(__p) {}
|
||
| 5303 | _LIBCPP_INLINE_VISIBILITY |
||
| 5304 | void reset() {}
|
||
| 5305 | |||
| 5306 | // generating functions |
||
| 5307 | template<class _URNG> |
||
| 5308 | _LIBCPP_INLINE_VISIBILITY |
||
| 5309 | result_type operator()(_URNG& __g) |
||
| 5310 | {return (*this)(__g, __p_);}
|
||
| 5311 | template<class _URNG> |
||
| 5312 | _LIBCPP_INLINE_VISIBILITY |
||
| 5313 | result_type operator()(_URNG& __g, const param_type& __p) |
||
| 5314 | {return negative_binomial_distribution<result_type>(1, __p.p())(__g);}
|
||
| 5315 | |||
| 5316 | // property functions |
||
| 5317 | _LIBCPP_INLINE_VISIBILITY |
||
| 5318 | double p() const {return __p_.p();}
|
||
| 5319 | |||
| 5320 | _LIBCPP_INLINE_VISIBILITY |
||
| 5321 | param_type param() const {return __p_;}
|
||
| 5322 | _LIBCPP_INLINE_VISIBILITY |
||
| 5323 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5324 | |||
| 5325 | _LIBCPP_INLINE_VISIBILITY |
||
| 5326 | result_type min() const {return 0;}
|
||
| 5327 | _LIBCPP_INLINE_VISIBILITY |
||
| 5328 | result_type max() const {return numeric_limits<result_type>::max();}
|
||
| 5329 | |||
| 5330 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5331 | bool operator==(const geometric_distribution& __x, |
||
| 5332 | const geometric_distribution& __y) |
||
| 5333 | {return __x.__p_ == __y.__p_;}
|
||
| 5334 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5335 | bool operator!=(const geometric_distribution& __x, |
||
| 5336 | const geometric_distribution& __y) |
||
| 5337 | {return !(__x == __y);}
|
||
| 5338 | }; |
||
| 5339 | |||
| 5340 | template <class _CharT, class _Traits, class _IntType> |
||
| 5341 | basic_ostream<_CharT, _Traits>& |
||
| 5342 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5343 | const geometric_distribution<_IntType>& __x) |
||
| 5344 | {
|
||
| 5345 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5346 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5347 | ios_base::scientific); |
||
| 5348 | return __os << __x.p(); |
||
| 5349 | } |
||
| 5350 | |||
| 5351 | template <class _CharT, class _Traits, class _IntType> |
||
| 5352 | basic_istream<_CharT, _Traits>& |
||
| 5353 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5354 | geometric_distribution<_IntType>& __x) |
||
| 5355 | {
|
||
| 5356 | typedef geometric_distribution<_IntType> _Eng; |
||
| 5357 | typedef typename _Eng::param_type param_type; |
||
| 5358 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5359 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5360 | double __p; |
||
| 5361 | __is >> __p; |
||
| 5362 | if (!__is.fail()) |
||
| 5363 | __x.param(param_type(__p)); |
||
| 5364 | return __is; |
||
| 5365 | } |
||
| 5366 | |||
| 5367 | // chi_squared_distribution |
||
| 5368 | |||
| 5369 | template<class _RealType = double> |
||
| 5370 | class _LIBCPP_TYPE_VIS_ONLY chi_squared_distribution |
||
| 5371 | {
|
||
| 5372 | public: |
||
| 5373 | // types |
||
| 5374 | typedef _RealType result_type; |
||
| 5375 | |||
| 5376 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5377 | {
|
||
| 5378 | result_type __n_; |
||
| 5379 | public: |
||
| 5380 | typedef chi_squared_distribution distribution_type; |
||
| 5381 | |||
| 5382 | _LIBCPP_INLINE_VISIBILITY |
||
| 5383 | explicit param_type(result_type __n = 1) : __n_(__n) {}
|
||
| 5384 | |||
| 5385 | _LIBCPP_INLINE_VISIBILITY |
||
| 5386 | result_type n() const {return __n_;}
|
||
| 5387 | |||
| 5388 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5389 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5390 | {return __x.__n_ == __y.__n_;}
|
||
| 5391 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5392 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5393 | {return !(__x == __y);}
|
||
| 5394 | }; |
||
| 5395 | |||
| 5396 | private: |
||
| 5397 | param_type __p_; |
||
| 5398 | |||
| 5399 | public: |
||
| 5400 | // constructor and reset functions |
||
| 5401 | _LIBCPP_INLINE_VISIBILITY |
||
| 5402 | explicit chi_squared_distribution(result_type __n = 1) |
||
| 5403 | : __p_(param_type(__n)) {}
|
||
| 5404 | _LIBCPP_INLINE_VISIBILITY |
||
| 5405 | explicit chi_squared_distribution(const param_type& __p) |
||
| 5406 | : __p_(__p) {}
|
||
| 5407 | _LIBCPP_INLINE_VISIBILITY |
||
| 5408 | void reset() {}
|
||
| 5409 | |||
| 5410 | // generating functions |
||
| 5411 | template<class _URNG> |
||
| 5412 | _LIBCPP_INLINE_VISIBILITY |
||
| 5413 | result_type operator()(_URNG& __g) |
||
| 5414 | {return (*this)(__g, __p_);}
|
||
| 5415 | template<class _URNG> |
||
| 5416 | _LIBCPP_INLINE_VISIBILITY |
||
| 5417 | result_type operator()(_URNG& __g, const param_type& __p) |
||
| 5418 | {return gamma_distribution<result_type>(__p.n() / 2, 2)(__g);}
|
||
| 5419 | |||
| 5420 | // property functions |
||
| 5421 | _LIBCPP_INLINE_VISIBILITY |
||
| 5422 | result_type n() const {return __p_.n();}
|
||
| 5423 | |||
| 5424 | _LIBCPP_INLINE_VISIBILITY |
||
| 5425 | param_type param() const {return __p_;}
|
||
| 5426 | _LIBCPP_INLINE_VISIBILITY |
||
| 5427 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5428 | |||
| 5429 | _LIBCPP_INLINE_VISIBILITY |
||
| 5430 | result_type min() const {return 0;}
|
||
| 5431 | _LIBCPP_INLINE_VISIBILITY |
||
| 5432 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 5433 | |||
| 5434 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5435 | bool operator==(const chi_squared_distribution& __x, |
||
| 5436 | const chi_squared_distribution& __y) |
||
| 5437 | {return __x.__p_ == __y.__p_;}
|
||
| 5438 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5439 | bool operator!=(const chi_squared_distribution& __x, |
||
| 5440 | const chi_squared_distribution& __y) |
||
| 5441 | {return !(__x == __y);}
|
||
| 5442 | }; |
||
| 5443 | |||
| 5444 | template <class _CharT, class _Traits, class _RT> |
||
| 5445 | basic_ostream<_CharT, _Traits>& |
||
| 5446 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5447 | const chi_squared_distribution<_RT>& __x) |
||
| 5448 | {
|
||
| 5449 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5450 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5451 | ios_base::scientific); |
||
| 5452 | __os << __x.n(); |
||
| 5453 | return __os; |
||
| 5454 | } |
||
| 5455 | |||
| 5456 | template <class _CharT, class _Traits, class _RT> |
||
| 5457 | basic_istream<_CharT, _Traits>& |
||
| 5458 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5459 | chi_squared_distribution<_RT>& __x) |
||
| 5460 | {
|
||
| 5461 | typedef chi_squared_distribution<_RT> _Eng; |
||
| 5462 | typedef typename _Eng::result_type result_type; |
||
| 5463 | typedef typename _Eng::param_type param_type; |
||
| 5464 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5465 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5466 | result_type __n; |
||
| 5467 | __is >> __n; |
||
| 5468 | if (!__is.fail()) |
||
| 5469 | __x.param(param_type(__n)); |
||
| 5470 | return __is; |
||
| 5471 | } |
||
| 5472 | |||
| 5473 | // cauchy_distribution |
||
| 5474 | |||
| 5475 | template<class _RealType = double> |
||
| 5476 | class _LIBCPP_TYPE_VIS_ONLY cauchy_distribution |
||
| 5477 | {
|
||
| 5478 | public: |
||
| 5479 | // types |
||
| 5480 | typedef _RealType result_type; |
||
| 5481 | |||
| 5482 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5483 | {
|
||
| 5484 | result_type __a_; |
||
| 5485 | result_type __b_; |
||
| 5486 | public: |
||
| 5487 | typedef cauchy_distribution distribution_type; |
||
| 5488 | |||
| 5489 | _LIBCPP_INLINE_VISIBILITY |
||
| 5490 | explicit param_type(result_type __a = 0, result_type __b = 1) |
||
| 5491 | : __a_(__a), __b_(__b) {}
|
||
| 5492 | |||
| 5493 | _LIBCPP_INLINE_VISIBILITY |
||
| 5494 | result_type a() const {return __a_;}
|
||
| 5495 | _LIBCPP_INLINE_VISIBILITY |
||
| 5496 | result_type b() const {return __b_;}
|
||
| 5497 | |||
| 5498 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5499 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5500 | {return __x.__a_ == __y.__a_ && __x.__b_ == __y.__b_;}
|
||
| 5501 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5502 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5503 | {return !(__x == __y);}
|
||
| 5504 | }; |
||
| 5505 | |||
| 5506 | private: |
||
| 5507 | param_type __p_; |
||
| 5508 | |||
| 5509 | public: |
||
| 5510 | // constructor and reset functions |
||
| 5511 | _LIBCPP_INLINE_VISIBILITY |
||
| 5512 | explicit cauchy_distribution(result_type __a = 0, result_type __b = 1) |
||
| 5513 | : __p_(param_type(__a, __b)) {}
|
||
| 5514 | _LIBCPP_INLINE_VISIBILITY |
||
| 5515 | explicit cauchy_distribution(const param_type& __p) |
||
| 5516 | : __p_(__p) {}
|
||
| 5517 | _LIBCPP_INLINE_VISIBILITY |
||
| 5518 | void reset() {}
|
||
| 5519 | |||
| 5520 | // generating functions |
||
| 5521 | template<class _URNG> |
||
| 5522 | _LIBCPP_INLINE_VISIBILITY |
||
| 5523 | result_type operator()(_URNG& __g) |
||
| 5524 | {return (*this)(__g, __p_);}
|
||
| 5525 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5526 | |||
| 5527 | // property functions |
||
| 5528 | _LIBCPP_INLINE_VISIBILITY |
||
| 5529 | result_type a() const {return __p_.a();}
|
||
| 5530 | _LIBCPP_INLINE_VISIBILITY |
||
| 5531 | result_type b() const {return __p_.b();}
|
||
| 5532 | |||
| 5533 | _LIBCPP_INLINE_VISIBILITY |
||
| 5534 | param_type param() const {return __p_;}
|
||
| 5535 | _LIBCPP_INLINE_VISIBILITY |
||
| 5536 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5537 | |||
| 5538 | _LIBCPP_INLINE_VISIBILITY |
||
| 5539 | result_type min() const {return -numeric_limits<result_type>::infinity();}
|
||
| 5540 | _LIBCPP_INLINE_VISIBILITY |
||
| 5541 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 5542 | |||
| 5543 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5544 | bool operator==(const cauchy_distribution& __x, |
||
| 5545 | const cauchy_distribution& __y) |
||
| 5546 | {return __x.__p_ == __y.__p_;}
|
||
| 5547 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5548 | bool operator!=(const cauchy_distribution& __x, |
||
| 5549 | const cauchy_distribution& __y) |
||
| 5550 | {return !(__x == __y);}
|
||
| 5551 | }; |
||
| 5552 | |||
| 5553 | template <class _RealType> |
||
| 5554 | template<class _URNG> |
||
| 5555 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 5556 | _RealType |
||
| 5557 | cauchy_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 5558 | {
|
||
| 5559 | uniform_real_distribution<result_type> __gen; |
||
| 5560 | // purposefully let tan arg get as close to pi/2 as it wants, tan will return a finite |
||
| 5561 | return __p.a() + __p.b() * _VSTD::tan(3.1415926535897932384626433832795 * __gen(__g)); |
||
| 5562 | } |
||
| 5563 | |||
| 5564 | template <class _CharT, class _Traits, class _RT> |
||
| 5565 | basic_ostream<_CharT, _Traits>& |
||
| 5566 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5567 | const cauchy_distribution<_RT>& __x) |
||
| 5568 | {
|
||
| 5569 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5570 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5571 | ios_base::scientific); |
||
| 5572 | _CharT __sp = __os.widen(' ');
|
||
| 5573 | __os.fill(__sp); |
||
| 5574 | __os << __x.a() << __sp << __x.b(); |
||
| 5575 | return __os; |
||
| 5576 | } |
||
| 5577 | |||
| 5578 | template <class _CharT, class _Traits, class _RT> |
||
| 5579 | basic_istream<_CharT, _Traits>& |
||
| 5580 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5581 | cauchy_distribution<_RT>& __x) |
||
| 5582 | {
|
||
| 5583 | typedef cauchy_distribution<_RT> _Eng; |
||
| 5584 | typedef typename _Eng::result_type result_type; |
||
| 5585 | typedef typename _Eng::param_type param_type; |
||
| 5586 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5587 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5588 | result_type __a; |
||
| 5589 | result_type __b; |
||
| 5590 | __is >> __a >> __b; |
||
| 5591 | if (!__is.fail()) |
||
| 5592 | __x.param(param_type(__a, __b)); |
||
| 5593 | return __is; |
||
| 5594 | } |
||
| 5595 | |||
| 5596 | // fisher_f_distribution |
||
| 5597 | |||
| 5598 | template<class _RealType = double> |
||
| 5599 | class _LIBCPP_TYPE_VIS_ONLY fisher_f_distribution |
||
| 5600 | {
|
||
| 5601 | public: |
||
| 5602 | // types |
||
| 5603 | typedef _RealType result_type; |
||
| 5604 | |||
| 5605 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5606 | {
|
||
| 5607 | result_type __m_; |
||
| 5608 | result_type __n_; |
||
| 5609 | public: |
||
| 5610 | typedef fisher_f_distribution distribution_type; |
||
| 5611 | |||
| 5612 | _LIBCPP_INLINE_VISIBILITY |
||
| 5613 | explicit param_type(result_type __m = 1, result_type __n = 1) |
||
| 5614 | : __m_(__m), __n_(__n) {}
|
||
| 5615 | |||
| 5616 | _LIBCPP_INLINE_VISIBILITY |
||
| 5617 | result_type m() const {return __m_;}
|
||
| 5618 | _LIBCPP_INLINE_VISIBILITY |
||
| 5619 | result_type n() const {return __n_;}
|
||
| 5620 | |||
| 5621 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5622 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5623 | {return __x.__m_ == __y.__m_ && __x.__n_ == __y.__n_;}
|
||
| 5624 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5625 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5626 | {return !(__x == __y);}
|
||
| 5627 | }; |
||
| 5628 | |||
| 5629 | private: |
||
| 5630 | param_type __p_; |
||
| 5631 | |||
| 5632 | public: |
||
| 5633 | // constructor and reset functions |
||
| 5634 | _LIBCPP_INLINE_VISIBILITY |
||
| 5635 | explicit fisher_f_distribution(result_type __m = 1, result_type __n = 1) |
||
| 5636 | : __p_(param_type(__m, __n)) {}
|
||
| 5637 | _LIBCPP_INLINE_VISIBILITY |
||
| 5638 | explicit fisher_f_distribution(const param_type& __p) |
||
| 5639 | : __p_(__p) {}
|
||
| 5640 | _LIBCPP_INLINE_VISIBILITY |
||
| 5641 | void reset() {}
|
||
| 5642 | |||
| 5643 | // generating functions |
||
| 5644 | template<class _URNG> |
||
| 5645 | _LIBCPP_INLINE_VISIBILITY |
||
| 5646 | result_type operator()(_URNG& __g) |
||
| 5647 | {return (*this)(__g, __p_);}
|
||
| 5648 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5649 | |||
| 5650 | // property functions |
||
| 5651 | _LIBCPP_INLINE_VISIBILITY |
||
| 5652 | result_type m() const {return __p_.m();}
|
||
| 5653 | _LIBCPP_INLINE_VISIBILITY |
||
| 5654 | result_type n() const {return __p_.n();}
|
||
| 5655 | |||
| 5656 | _LIBCPP_INLINE_VISIBILITY |
||
| 5657 | param_type param() const {return __p_;}
|
||
| 5658 | _LIBCPP_INLINE_VISIBILITY |
||
| 5659 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5660 | |||
| 5661 | _LIBCPP_INLINE_VISIBILITY |
||
| 5662 | result_type min() const {return 0;}
|
||
| 5663 | _LIBCPP_INLINE_VISIBILITY |
||
| 5664 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 5665 | |||
| 5666 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5667 | bool operator==(const fisher_f_distribution& __x, |
||
| 5668 | const fisher_f_distribution& __y) |
||
| 5669 | {return __x.__p_ == __y.__p_;}
|
||
| 5670 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5671 | bool operator!=(const fisher_f_distribution& __x, |
||
| 5672 | const fisher_f_distribution& __y) |
||
| 5673 | {return !(__x == __y);}
|
||
| 5674 | }; |
||
| 5675 | |||
| 5676 | template <class _RealType> |
||
| 5677 | template<class _URNG> |
||
| 5678 | _RealType |
||
| 5679 | fisher_f_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 5680 | {
|
||
| 5681 | gamma_distribution<result_type> __gdm(__p.m() * result_type(.5)); |
||
| 5682 | gamma_distribution<result_type> __gdn(__p.n() * result_type(.5)); |
||
| 5683 | return __p.n() * __gdm(__g) / (__p.m() * __gdn(__g)); |
||
| 5684 | } |
||
| 5685 | |||
| 5686 | template <class _CharT, class _Traits, class _RT> |
||
| 5687 | basic_ostream<_CharT, _Traits>& |
||
| 5688 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5689 | const fisher_f_distribution<_RT>& __x) |
||
| 5690 | {
|
||
| 5691 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5692 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5693 | ios_base::scientific); |
||
| 5694 | _CharT __sp = __os.widen(' ');
|
||
| 5695 | __os.fill(__sp); |
||
| 5696 | __os << __x.m() << __sp << __x.n(); |
||
| 5697 | return __os; |
||
| 5698 | } |
||
| 5699 | |||
| 5700 | template <class _CharT, class _Traits, class _RT> |
||
| 5701 | basic_istream<_CharT, _Traits>& |
||
| 5702 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5703 | fisher_f_distribution<_RT>& __x) |
||
| 5704 | {
|
||
| 5705 | typedef fisher_f_distribution<_RT> _Eng; |
||
| 5706 | typedef typename _Eng::result_type result_type; |
||
| 5707 | typedef typename _Eng::param_type param_type; |
||
| 5708 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5709 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5710 | result_type __m; |
||
| 5711 | result_type __n; |
||
| 5712 | __is >> __m >> __n; |
||
| 5713 | if (!__is.fail()) |
||
| 5714 | __x.param(param_type(__m, __n)); |
||
| 5715 | return __is; |
||
| 5716 | } |
||
| 5717 | |||
| 5718 | // student_t_distribution |
||
| 5719 | |||
| 5720 | template<class _RealType = double> |
||
| 5721 | class _LIBCPP_TYPE_VIS_ONLY student_t_distribution |
||
| 5722 | {
|
||
| 5723 | public: |
||
| 5724 | // types |
||
| 5725 | typedef _RealType result_type; |
||
| 5726 | |||
| 5727 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5728 | {
|
||
| 5729 | result_type __n_; |
||
| 5730 | public: |
||
| 5731 | typedef student_t_distribution distribution_type; |
||
| 5732 | |||
| 5733 | _LIBCPP_INLINE_VISIBILITY |
||
| 5734 | explicit param_type(result_type __n = 1) : __n_(__n) {}
|
||
| 5735 | |||
| 5736 | _LIBCPP_INLINE_VISIBILITY |
||
| 5737 | result_type n() const {return __n_;}
|
||
| 5738 | |||
| 5739 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5740 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5741 | {return __x.__n_ == __y.__n_;}
|
||
| 5742 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5743 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5744 | {return !(__x == __y);}
|
||
| 5745 | }; |
||
| 5746 | |||
| 5747 | private: |
||
| 5748 | param_type __p_; |
||
| 5749 | normal_distribution<result_type> __nd_; |
||
| 5750 | |||
| 5751 | public: |
||
| 5752 | // constructor and reset functions |
||
| 5753 | _LIBCPP_INLINE_VISIBILITY |
||
| 5754 | explicit student_t_distribution(result_type __n = 1) |
||
| 5755 | : __p_(param_type(__n)) {}
|
||
| 5756 | _LIBCPP_INLINE_VISIBILITY |
||
| 5757 | explicit student_t_distribution(const param_type& __p) |
||
| 5758 | : __p_(__p) {}
|
||
| 5759 | _LIBCPP_INLINE_VISIBILITY |
||
| 5760 | void reset() {__nd_.reset();}
|
||
| 5761 | |||
| 5762 | // generating functions |
||
| 5763 | template<class _URNG> |
||
| 5764 | _LIBCPP_INLINE_VISIBILITY |
||
| 5765 | result_type operator()(_URNG& __g) |
||
| 5766 | {return (*this)(__g, __p_);}
|
||
| 5767 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5768 | |||
| 5769 | // property functions |
||
| 5770 | _LIBCPP_INLINE_VISIBILITY |
||
| 5771 | result_type n() const {return __p_.n();}
|
||
| 5772 | |||
| 5773 | _LIBCPP_INLINE_VISIBILITY |
||
| 5774 | param_type param() const {return __p_;}
|
||
| 5775 | _LIBCPP_INLINE_VISIBILITY |
||
| 5776 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5777 | |||
| 5778 | _LIBCPP_INLINE_VISIBILITY |
||
| 5779 | result_type min() const {return -numeric_limits<result_type>::infinity();}
|
||
| 5780 | _LIBCPP_INLINE_VISIBILITY |
||
| 5781 | result_type max() const {return numeric_limits<result_type>::infinity();}
|
||
| 5782 | |||
| 5783 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5784 | bool operator==(const student_t_distribution& __x, |
||
| 5785 | const student_t_distribution& __y) |
||
| 5786 | {return __x.__p_ == __y.__p_;}
|
||
| 5787 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5788 | bool operator!=(const student_t_distribution& __x, |
||
| 5789 | const student_t_distribution& __y) |
||
| 5790 | {return !(__x == __y);}
|
||
| 5791 | }; |
||
| 5792 | |||
| 5793 | template <class _RealType> |
||
| 5794 | template<class _URNG> |
||
| 5795 | _RealType |
||
| 5796 | student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 5797 | {
|
||
| 5798 | gamma_distribution<result_type> __gd(__p.n() * .5, 2); |
||
| 5799 | return __nd_(__g) * _VSTD::sqrt(__p.n()/__gd(__g)); |
||
| 5800 | } |
||
| 5801 | |||
| 5802 | template <class _CharT, class _Traits, class _RT> |
||
| 5803 | basic_ostream<_CharT, _Traits>& |
||
| 5804 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5805 | const student_t_distribution<_RT>& __x) |
||
| 5806 | {
|
||
| 5807 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 5808 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 5809 | ios_base::scientific); |
||
| 5810 | __os << __x.n(); |
||
| 5811 | return __os; |
||
| 5812 | } |
||
| 5813 | |||
| 5814 | template <class _CharT, class _Traits, class _RT> |
||
| 5815 | basic_istream<_CharT, _Traits>& |
||
| 5816 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5817 | student_t_distribution<_RT>& __x) |
||
| 5818 | {
|
||
| 5819 | typedef student_t_distribution<_RT> _Eng; |
||
| 5820 | typedef typename _Eng::result_type result_type; |
||
| 5821 | typedef typename _Eng::param_type param_type; |
||
| 5822 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 5823 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 5824 | result_type __n; |
||
| 5825 | __is >> __n; |
||
| 5826 | if (!__is.fail()) |
||
| 5827 | __x.param(param_type(__n)); |
||
| 5828 | return __is; |
||
| 5829 | } |
||
| 5830 | |||
| 5831 | // discrete_distribution |
||
| 5832 | |||
| 5833 | template<class _IntType = int> |
||
| 5834 | class _LIBCPP_TYPE_VIS_ONLY discrete_distribution |
||
| 5835 | {
|
||
| 5836 | public: |
||
| 5837 | // types |
||
| 5838 | typedef _IntType result_type; |
||
| 5839 | |||
| 5840 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 5841 | {
|
||
| 5842 | vector<double> __p_; |
||
| 5843 | public: |
||
| 5844 | typedef discrete_distribution distribution_type; |
||
| 5845 | |||
| 5846 | _LIBCPP_INLINE_VISIBILITY |
||
| 5847 | param_type() {}
|
||
| 5848 | template<class _InputIterator> |
||
| 5849 | _LIBCPP_INLINE_VISIBILITY |
||
| 5850 | param_type(_InputIterator __f, _InputIterator __l) |
||
| 5851 | : __p_(__f, __l) {__init();}
|
||
| 5852 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 5853 | _LIBCPP_INLINE_VISIBILITY |
||
| 5854 | param_type(initializer_list<double> __wl) |
||
| 5855 | : __p_(__wl.begin(), __wl.end()) {__init();}
|
||
| 5856 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 5857 | template<class _UnaryOperation> |
||
| 5858 | param_type(size_t __nw, double __xmin, double __xmax, |
||
| 5859 | _UnaryOperation __fw); |
||
| 5860 | |||
| 5861 | vector<double> probabilities() const; |
||
| 5862 | |||
| 5863 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5864 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 5865 | {return __x.__p_ == __y.__p_;}
|
||
| 5866 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5867 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 5868 | {return !(__x == __y);}
|
||
| 5869 | |||
| 5870 | private: |
||
| 5871 | void __init(); |
||
| 5872 | |||
| 5873 | friend class discrete_distribution; |
||
| 5874 | |||
| 5875 | template <class _CharT, class _Traits, class _IT> |
||
| 5876 | friend |
||
| 5877 | basic_ostream<_CharT, _Traits>& |
||
| 5878 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5879 | const discrete_distribution<_IT>& __x); |
||
| 5880 | |||
| 5881 | template <class _CharT, class _Traits, class _IT> |
||
| 5882 | friend |
||
| 5883 | basic_istream<_CharT, _Traits>& |
||
| 5884 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5885 | discrete_distribution<_IT>& __x); |
||
| 5886 | }; |
||
| 5887 | |||
| 5888 | private: |
||
| 5889 | param_type __p_; |
||
| 5890 | |||
| 5891 | public: |
||
| 5892 | // constructor and reset functions |
||
| 5893 | _LIBCPP_INLINE_VISIBILITY |
||
| 5894 | discrete_distribution() {}
|
||
| 5895 | template<class _InputIterator> |
||
| 5896 | _LIBCPP_INLINE_VISIBILITY |
||
| 5897 | discrete_distribution(_InputIterator __f, _InputIterator __l) |
||
| 5898 | : __p_(__f, __l) {}
|
||
| 5899 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 5900 | _LIBCPP_INLINE_VISIBILITY |
||
| 5901 | discrete_distribution(initializer_list<double> __wl) |
||
| 5902 | : __p_(__wl) {}
|
||
| 5903 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 5904 | template<class _UnaryOperation> |
||
| 5905 | _LIBCPP_INLINE_VISIBILITY |
||
| 5906 | discrete_distribution(size_t __nw, double __xmin, double __xmax, |
||
| 5907 | _UnaryOperation __fw) |
||
| 5908 | : __p_(__nw, __xmin, __xmax, __fw) {}
|
||
| 5909 | _LIBCPP_INLINE_VISIBILITY |
||
| 5910 | explicit discrete_distribution(const param_type& __p) |
||
| 5911 | : __p_(__p) {}
|
||
| 5912 | _LIBCPP_INLINE_VISIBILITY |
||
| 5913 | void reset() {}
|
||
| 5914 | |||
| 5915 | // generating functions |
||
| 5916 | template<class _URNG> |
||
| 5917 | _LIBCPP_INLINE_VISIBILITY |
||
| 5918 | result_type operator()(_URNG& __g) |
||
| 5919 | {return (*this)(__g, __p_);}
|
||
| 5920 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 5921 | |||
| 5922 | // property functions |
||
| 5923 | _LIBCPP_INLINE_VISIBILITY |
||
| 5924 | vector<double> probabilities() const {return __p_.probabilities();}
|
||
| 5925 | |||
| 5926 | _LIBCPP_INLINE_VISIBILITY |
||
| 5927 | param_type param() const {return __p_;}
|
||
| 5928 | _LIBCPP_INLINE_VISIBILITY |
||
| 5929 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 5930 | |||
| 5931 | _LIBCPP_INLINE_VISIBILITY |
||
| 5932 | result_type min() const {return 0;}
|
||
| 5933 | _LIBCPP_INLINE_VISIBILITY |
||
| 5934 | result_type max() const {return __p_.__p_.size();}
|
||
| 5935 | |||
| 5936 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5937 | bool operator==(const discrete_distribution& __x, |
||
| 5938 | const discrete_distribution& __y) |
||
| 5939 | {return __x.__p_ == __y.__p_;}
|
||
| 5940 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 5941 | bool operator!=(const discrete_distribution& __x, |
||
| 5942 | const discrete_distribution& __y) |
||
| 5943 | {return !(__x == __y);}
|
||
| 5944 | |||
| 5945 | template <class _CharT, class _Traits, class _IT> |
||
| 5946 | friend |
||
| 5947 | basic_ostream<_CharT, _Traits>& |
||
| 5948 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 5949 | const discrete_distribution<_IT>& __x); |
||
| 5950 | |||
| 5951 | template <class _CharT, class _Traits, class _IT> |
||
| 5952 | friend |
||
| 5953 | basic_istream<_CharT, _Traits>& |
||
| 5954 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 5955 | discrete_distribution<_IT>& __x); |
||
| 5956 | }; |
||
| 5957 | |||
| 5958 | template<class _IntType> |
||
| 5959 | template<class _UnaryOperation> |
||
| 5960 | discrete_distribution<_IntType>::param_type::param_type(size_t __nw, |
||
| 5961 | double __xmin, |
||
| 5962 | double __xmax, |
||
| 5963 | _UnaryOperation __fw) |
||
| 5964 | {
|
||
| 5965 | if (__nw > 1) |
||
| 5966 | {
|
||
| 5967 | __p_.reserve(__nw - 1); |
||
| 5968 | double __d = (__xmax - __xmin) / __nw; |
||
| 5969 | double __d2 = __d / 2; |
||
| 5970 | for (size_t __k = 0; __k < __nw; ++__k) |
||
| 5971 | __p_.push_back(__fw(__xmin + __k * __d + __d2)); |
||
| 5972 | __init(); |
||
| 5973 | } |
||
| 5974 | } |
||
| 5975 | |||
| 5976 | template<class _IntType> |
||
| 5977 | void |
||
| 5978 | discrete_distribution<_IntType>::param_type::__init() |
||
| 5979 | {
|
||
| 5980 | if (!__p_.empty()) |
||
| 5981 | {
|
||
| 5982 | if (__p_.size() > 1) |
||
| 5983 | {
|
||
| 5984 | double __s = _VSTD::accumulate(__p_.begin(), __p_.end(), 0.0); |
||
| 5985 | for (_VSTD::vector<double>::iterator __i = __p_.begin(), __e = __p_.end(); |
||
| 5986 | __i < __e; ++__i) |
||
| 5987 | *__i /= __s; |
||
| 5988 | vector<double> __t(__p_.size() - 1); |
||
| 5989 | _VSTD::partial_sum(__p_.begin(), __p_.end() - 1, __t.begin()); |
||
| 5990 | swap(__p_, __t); |
||
| 5991 | } |
||
| 5992 | else |
||
| 5993 | {
|
||
| 5994 | __p_.clear(); |
||
| 5995 | __p_.shrink_to_fit(); |
||
| 5996 | } |
||
| 5997 | } |
||
| 5998 | } |
||
| 5999 | |||
| 6000 | template<class _IntType> |
||
| 6001 | vector<double> |
||
| 6002 | discrete_distribution<_IntType>::param_type::probabilities() const |
||
| 6003 | {
|
||
| 6004 | size_t __n = __p_.size(); |
||
| 6005 | _VSTD::vector<double> __p(__n+1); |
||
| 6006 | _VSTD::adjacent_difference(__p_.begin(), __p_.end(), __p.begin()); |
||
| 6007 | if (__n > 0) |
||
| 6008 | __p[__n] = 1 - __p_[__n-1]; |
||
| 6009 | else |
||
| 6010 | __p[0] = 1; |
||
| 6011 | return __p; |
||
| 6012 | } |
||
| 6013 | |||
| 6014 | template<class _IntType> |
||
| 6015 | template<class _URNG> |
||
| 6016 | _IntType |
||
| 6017 | discrete_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p) |
||
| 6018 | {
|
||
| 6019 | uniform_real_distribution<double> __gen; |
||
| 6020 | return static_cast<_IntType>( |
||
| 6021 | _VSTD::upper_bound(__p.__p_.begin(), __p.__p_.end(), __gen(__g)) - |
||
| 6022 | __p.__p_.begin()); |
||
| 6023 | } |
||
| 6024 | |||
| 6025 | template <class _CharT, class _Traits, class _IT> |
||
| 6026 | basic_ostream<_CharT, _Traits>& |
||
| 6027 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6028 | const discrete_distribution<_IT>& __x) |
||
| 6029 | {
|
||
| 6030 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 6031 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 6032 | ios_base::scientific); |
||
| 6033 | _CharT __sp = __os.widen(' ');
|
||
| 6034 | __os.fill(__sp); |
||
| 6035 | size_t __n = __x.__p_.__p_.size(); |
||
| 6036 | __os << __n; |
||
| 6037 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6038 | __os << __sp << __x.__p_.__p_[__i]; |
||
| 6039 | return __os; |
||
| 6040 | } |
||
| 6041 | |||
| 6042 | template <class _CharT, class _Traits, class _IT> |
||
| 6043 | basic_istream<_CharT, _Traits>& |
||
| 6044 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6045 | discrete_distribution<_IT>& __x) |
||
| 6046 | {
|
||
| 6047 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 6048 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 6049 | size_t __n; |
||
| 6050 | __is >> __n; |
||
| 6051 | vector<double> __p(__n); |
||
| 6052 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6053 | __is >> __p[__i]; |
||
| 6054 | if (!__is.fail()) |
||
| 6055 | swap(__x.__p_.__p_, __p); |
||
| 6056 | return __is; |
||
| 6057 | } |
||
| 6058 | |||
| 6059 | // piecewise_constant_distribution |
||
| 6060 | |||
| 6061 | template<class _RealType = double> |
||
| 6062 | class _LIBCPP_TYPE_VIS_ONLY piecewise_constant_distribution |
||
| 6063 | {
|
||
| 6064 | public: |
||
| 6065 | // types |
||
| 6066 | typedef _RealType result_type; |
||
| 6067 | |||
| 6068 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 6069 | {
|
||
| 6070 | vector<result_type> __b_; |
||
| 6071 | vector<result_type> __densities_; |
||
| 6072 | vector<result_type> __areas_; |
||
| 6073 | public: |
||
| 6074 | typedef piecewise_constant_distribution distribution_type; |
||
| 6075 | |||
| 6076 | param_type(); |
||
| 6077 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6078 | param_type(_InputIteratorB __fB, _InputIteratorB __lB, |
||
| 6079 | _InputIteratorW __fW); |
||
| 6080 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6081 | template<class _UnaryOperation> |
||
| 6082 | param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); |
||
| 6083 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6084 | template<class _UnaryOperation> |
||
| 6085 | param_type(size_t __nw, result_type __xmin, result_type __xmax, |
||
| 6086 | _UnaryOperation __fw); |
||
| 6087 | param_type & operator=(const param_type& __rhs); |
||
| 6088 | |||
| 6089 | _LIBCPP_INLINE_VISIBILITY |
||
| 6090 | vector<result_type> intervals() const {return __b_;}
|
||
| 6091 | _LIBCPP_INLINE_VISIBILITY |
||
| 6092 | vector<result_type> densities() const {return __densities_;}
|
||
| 6093 | |||
| 6094 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6095 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 6096 | {return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_;}
|
||
| 6097 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6098 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 6099 | {return !(__x == __y);}
|
||
| 6100 | |||
| 6101 | private: |
||
| 6102 | void __init(); |
||
| 6103 | |||
| 6104 | friend class piecewise_constant_distribution; |
||
| 6105 | |||
| 6106 | template <class _CharT, class _Traits, class _RT> |
||
| 6107 | friend |
||
| 6108 | basic_ostream<_CharT, _Traits>& |
||
| 6109 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6110 | const piecewise_constant_distribution<_RT>& __x); |
||
| 6111 | |||
| 6112 | template <class _CharT, class _Traits, class _RT> |
||
| 6113 | friend |
||
| 6114 | basic_istream<_CharT, _Traits>& |
||
| 6115 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6116 | piecewise_constant_distribution<_RT>& __x); |
||
| 6117 | }; |
||
| 6118 | |||
| 6119 | private: |
||
| 6120 | param_type __p_; |
||
| 6121 | |||
| 6122 | public: |
||
| 6123 | // constructor and reset functions |
||
| 6124 | _LIBCPP_INLINE_VISIBILITY |
||
| 6125 | piecewise_constant_distribution() {}
|
||
| 6126 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6127 | _LIBCPP_INLINE_VISIBILITY |
||
| 6128 | piecewise_constant_distribution(_InputIteratorB __fB, |
||
| 6129 | _InputIteratorB __lB, |
||
| 6130 | _InputIteratorW __fW) |
||
| 6131 | : __p_(__fB, __lB, __fW) {}
|
||
| 6132 | |||
| 6133 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6134 | template<class _UnaryOperation> |
||
| 6135 | _LIBCPP_INLINE_VISIBILITY |
||
| 6136 | piecewise_constant_distribution(initializer_list<result_type> __bl, |
||
| 6137 | _UnaryOperation __fw) |
||
| 6138 | : __p_(__bl, __fw) {}
|
||
| 6139 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6140 | |||
| 6141 | template<class _UnaryOperation> |
||
| 6142 | _LIBCPP_INLINE_VISIBILITY |
||
| 6143 | piecewise_constant_distribution(size_t __nw, result_type __xmin, |
||
| 6144 | result_type __xmax, _UnaryOperation __fw) |
||
| 6145 | : __p_(__nw, __xmin, __xmax, __fw) {}
|
||
| 6146 | |||
| 6147 | _LIBCPP_INLINE_VISIBILITY |
||
| 6148 | explicit piecewise_constant_distribution(const param_type& __p) |
||
| 6149 | : __p_(__p) {}
|
||
| 6150 | |||
| 6151 | _LIBCPP_INLINE_VISIBILITY |
||
| 6152 | void reset() {}
|
||
| 6153 | |||
| 6154 | // generating functions |
||
| 6155 | template<class _URNG> |
||
| 6156 | _LIBCPP_INLINE_VISIBILITY |
||
| 6157 | result_type operator()(_URNG& __g) |
||
| 6158 | {return (*this)(__g, __p_);}
|
||
| 6159 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 6160 | |||
| 6161 | // property functions |
||
| 6162 | _LIBCPP_INLINE_VISIBILITY |
||
| 6163 | vector<result_type> intervals() const {return __p_.intervals();}
|
||
| 6164 | _LIBCPP_INLINE_VISIBILITY |
||
| 6165 | vector<result_type> densities() const {return __p_.densities();}
|
||
| 6166 | |||
| 6167 | _LIBCPP_INLINE_VISIBILITY |
||
| 6168 | param_type param() const {return __p_;}
|
||
| 6169 | _LIBCPP_INLINE_VISIBILITY |
||
| 6170 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 6171 | |||
| 6172 | _LIBCPP_INLINE_VISIBILITY |
||
| 6173 | result_type min() const {return __p_.__b_.front();}
|
||
| 6174 | _LIBCPP_INLINE_VISIBILITY |
||
| 6175 | result_type max() const {return __p_.__b_.back();}
|
||
| 6176 | |||
| 6177 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6178 | bool operator==(const piecewise_constant_distribution& __x, |
||
| 6179 | const piecewise_constant_distribution& __y) |
||
| 6180 | {return __x.__p_ == __y.__p_;}
|
||
| 6181 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6182 | bool operator!=(const piecewise_constant_distribution& __x, |
||
| 6183 | const piecewise_constant_distribution& __y) |
||
| 6184 | {return !(__x == __y);}
|
||
| 6185 | |||
| 6186 | template <class _CharT, class _Traits, class _RT> |
||
| 6187 | friend |
||
| 6188 | basic_ostream<_CharT, _Traits>& |
||
| 6189 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6190 | const piecewise_constant_distribution<_RT>& __x); |
||
| 6191 | |||
| 6192 | template <class _CharT, class _Traits, class _RT> |
||
| 6193 | friend |
||
| 6194 | basic_istream<_CharT, _Traits>& |
||
| 6195 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6196 | piecewise_constant_distribution<_RT>& __x); |
||
| 6197 | }; |
||
| 6198 | |||
| 6199 | template<class _RealType> |
||
| 6200 | typename piecewise_constant_distribution<_RealType>::param_type & |
||
| 6201 | piecewise_constant_distribution<_RealType>::param_type::operator= |
||
| 6202 | (const param_type& __rhs) |
||
| 6203 | {
|
||
| 6204 | // These can throw |
||
| 6205 | __b_.reserve (__rhs.__b_.size ()); |
||
| 6206 | __densities_.reserve(__rhs.__densities_.size()); |
||
| 6207 | __areas_.reserve (__rhs.__areas_.size()); |
||
| 6208 | |||
| 6209 | // These can not throw |
||
| 6210 | __b_ = __rhs.__b_; |
||
| 6211 | __densities_ = __rhs.__densities_; |
||
| 6212 | __areas_ = __rhs.__areas_; |
||
| 6213 | return *this; |
||
| 6214 | } |
||
| 6215 | |||
| 6216 | template<class _RealType> |
||
| 6217 | void |
||
| 6218 | piecewise_constant_distribution<_RealType>::param_type::__init() |
||
| 6219 | {
|
||
| 6220 | // __densities_ contains non-normalized areas |
||
| 6221 | result_type __total_area = _VSTD::accumulate(__densities_.begin(), |
||
| 6222 | __densities_.end(), |
||
| 6223 | result_type()); |
||
| 6224 | for (size_t __i = 0; __i < __densities_.size(); ++__i) |
||
| 6225 | __densities_[__i] /= __total_area; |
||
| 6226 | // __densities_ contains normalized areas |
||
| 6227 | __areas_.assign(__densities_.size(), result_type()); |
||
| 6228 | _VSTD::partial_sum(__densities_.begin(), __densities_.end() - 1, |
||
| 6229 | __areas_.begin() + 1); |
||
| 6230 | // __areas_ contains partial sums of normalized areas: [0, __densities_ - 1] |
||
| 6231 | __densities_.back() = 1 - __areas_.back(); // correct round off error |
||
| 6232 | for (size_t __i = 0; __i < __densities_.size(); ++__i) |
||
| 6233 | __densities_[__i] /= (__b_[__i+1] - __b_[__i]); |
||
| 6234 | // __densities_ now contains __densities_ |
||
| 6235 | } |
||
| 6236 | |||
| 6237 | template<class _RealType> |
||
| 6238 | piecewise_constant_distribution<_RealType>::param_type::param_type() |
||
| 6239 | : __b_(2), |
||
| 6240 | __densities_(1, 1.0), |
||
| 6241 | __areas_(1, 0.0) |
||
| 6242 | {
|
||
| 6243 | __b_[1] = 1; |
||
| 6244 | } |
||
| 6245 | |||
| 6246 | template<class _RealType> |
||
| 6247 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6248 | piecewise_constant_distribution<_RealType>::param_type::param_type( |
||
| 6249 | _InputIteratorB __fB, _InputIteratorB __lB, _InputIteratorW __fW) |
||
| 6250 | : __b_(__fB, __lB) |
||
| 6251 | {
|
||
| 6252 | if (__b_.size() < 2) |
||
| 6253 | {
|
||
| 6254 | __b_.resize(2); |
||
| 6255 | __b_[0] = 0; |
||
| 6256 | __b_[1] = 1; |
||
| 6257 | __densities_.assign(1, 1.0); |
||
| 6258 | __areas_.assign(1, 0.0); |
||
| 6259 | } |
||
| 6260 | else |
||
| 6261 | {
|
||
| 6262 | __densities_.reserve(__b_.size() - 1); |
||
| 6263 | for (size_t __i = 0; __i < __b_.size() - 1; ++__i, ++__fW) |
||
| 6264 | __densities_.push_back(*__fW); |
||
| 6265 | __init(); |
||
| 6266 | } |
||
| 6267 | } |
||
| 6268 | |||
| 6269 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6270 | |||
| 6271 | template<class _RealType> |
||
| 6272 | template<class _UnaryOperation> |
||
| 6273 | piecewise_constant_distribution<_RealType>::param_type::param_type( |
||
| 6274 | initializer_list<result_type> __bl, _UnaryOperation __fw) |
||
| 6275 | : __b_(__bl.begin(), __bl.end()) |
||
| 6276 | {
|
||
| 6277 | if (__b_.size() < 2) |
||
| 6278 | {
|
||
| 6279 | __b_.resize(2); |
||
| 6280 | __b_[0] = 0; |
||
| 6281 | __b_[1] = 1; |
||
| 6282 | __densities_.assign(1, 1.0); |
||
| 6283 | __areas_.assign(1, 0.0); |
||
| 6284 | } |
||
| 6285 | else |
||
| 6286 | {
|
||
| 6287 | __densities_.reserve(__b_.size() - 1); |
||
| 6288 | for (size_t __i = 0; __i < __b_.size() - 1; ++__i) |
||
| 6289 | __densities_.push_back(__fw((__b_[__i+1] + __b_[__i])*.5)); |
||
| 6290 | __init(); |
||
| 6291 | } |
||
| 6292 | } |
||
| 6293 | |||
| 6294 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6295 | |||
| 6296 | template<class _RealType> |
||
| 6297 | template<class _UnaryOperation> |
||
| 6298 | piecewise_constant_distribution<_RealType>::param_type::param_type( |
||
| 6299 | size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) |
||
| 6300 | : __b_(__nw == 0 ? 2 : __nw + 1) |
||
| 6301 | {
|
||
| 6302 | size_t __n = __b_.size() - 1; |
||
| 6303 | result_type __d = (__xmax - __xmin) / __n; |
||
| 6304 | __densities_.reserve(__n); |
||
| 6305 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6306 | {
|
||
| 6307 | __b_[__i] = __xmin + __i * __d; |
||
| 6308 | __densities_.push_back(__fw(__b_[__i] + __d*.5)); |
||
| 6309 | } |
||
| 6310 | __b_[__n] = __xmax; |
||
| 6311 | __init(); |
||
| 6312 | } |
||
| 6313 | |||
| 6314 | template<class _RealType> |
||
| 6315 | template<class _URNG> |
||
| 6316 | _RealType |
||
| 6317 | piecewise_constant_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 6318 | {
|
||
| 6319 | typedef uniform_real_distribution<result_type> _Gen; |
||
| 6320 | result_type __u = _Gen()(__g); |
||
| 6321 | ptrdiff_t __k = _VSTD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), |
||
| 6322 | __u) - __p.__areas_.begin() - 1; |
||
| 6323 | return (__u - __p.__areas_[__k]) / __p.__densities_[__k] + __p.__b_[__k]; |
||
| 6324 | } |
||
| 6325 | |||
| 6326 | template <class _CharT, class _Traits, class _RT> |
||
| 6327 | basic_ostream<_CharT, _Traits>& |
||
| 6328 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6329 | const piecewise_constant_distribution<_RT>& __x) |
||
| 6330 | {
|
||
| 6331 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 6332 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 6333 | ios_base::scientific); |
||
| 6334 | _CharT __sp = __os.widen(' ');
|
||
| 6335 | __os.fill(__sp); |
||
| 6336 | size_t __n = __x.__p_.__b_.size(); |
||
| 6337 | __os << __n; |
||
| 6338 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6339 | __os << __sp << __x.__p_.__b_[__i]; |
||
| 6340 | __n = __x.__p_.__densities_.size(); |
||
| 6341 | __os << __sp << __n; |
||
| 6342 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6343 | __os << __sp << __x.__p_.__densities_[__i]; |
||
| 6344 | __n = __x.__p_.__areas_.size(); |
||
| 6345 | __os << __sp << __n; |
||
| 6346 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6347 | __os << __sp << __x.__p_.__areas_[__i]; |
||
| 6348 | return __os; |
||
| 6349 | } |
||
| 6350 | |||
| 6351 | template <class _CharT, class _Traits, class _RT> |
||
| 6352 | basic_istream<_CharT, _Traits>& |
||
| 6353 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6354 | piecewise_constant_distribution<_RT>& __x) |
||
| 6355 | {
|
||
| 6356 | typedef piecewise_constant_distribution<_RT> _Eng; |
||
| 6357 | typedef typename _Eng::result_type result_type; |
||
| 6358 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 6359 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 6360 | size_t __n; |
||
| 6361 | __is >> __n; |
||
| 6362 | vector<result_type> __b(__n); |
||
| 6363 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6364 | __is >> __b[__i]; |
||
| 6365 | __is >> __n; |
||
| 6366 | vector<result_type> __densities(__n); |
||
| 6367 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6368 | __is >> __densities[__i]; |
||
| 6369 | __is >> __n; |
||
| 6370 | vector<result_type> __areas(__n); |
||
| 6371 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6372 | __is >> __areas[__i]; |
||
| 6373 | if (!__is.fail()) |
||
| 6374 | {
|
||
| 6375 | swap(__x.__p_.__b_, __b); |
||
| 6376 | swap(__x.__p_.__densities_, __densities); |
||
| 6377 | swap(__x.__p_.__areas_, __areas); |
||
| 6378 | } |
||
| 6379 | return __is; |
||
| 6380 | } |
||
| 6381 | |||
| 6382 | // piecewise_linear_distribution |
||
| 6383 | |||
| 6384 | template<class _RealType = double> |
||
| 6385 | class _LIBCPP_TYPE_VIS_ONLY piecewise_linear_distribution |
||
| 6386 | {
|
||
| 6387 | public: |
||
| 6388 | // types |
||
| 6389 | typedef _RealType result_type; |
||
| 6390 | |||
| 6391 | class _LIBCPP_TYPE_VIS_ONLY param_type |
||
| 6392 | {
|
||
| 6393 | vector<result_type> __b_; |
||
| 6394 | vector<result_type> __densities_; |
||
| 6395 | vector<result_type> __areas_; |
||
| 6396 | public: |
||
| 6397 | typedef piecewise_linear_distribution distribution_type; |
||
| 6398 | |||
| 6399 | param_type(); |
||
| 6400 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6401 | param_type(_InputIteratorB __fB, _InputIteratorB __lB, |
||
| 6402 | _InputIteratorW __fW); |
||
| 6403 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6404 | template<class _UnaryOperation> |
||
| 6405 | param_type(initializer_list<result_type> __bl, _UnaryOperation __fw); |
||
| 6406 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6407 | template<class _UnaryOperation> |
||
| 6408 | param_type(size_t __nw, result_type __xmin, result_type __xmax, |
||
| 6409 | _UnaryOperation __fw); |
||
| 6410 | param_type & operator=(const param_type& __rhs); |
||
| 6411 | |||
| 6412 | _LIBCPP_INLINE_VISIBILITY |
||
| 6413 | vector<result_type> intervals() const {return __b_;}
|
||
| 6414 | _LIBCPP_INLINE_VISIBILITY |
||
| 6415 | vector<result_type> densities() const {return __densities_;}
|
||
| 6416 | |||
| 6417 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6418 | bool operator==(const param_type& __x, const param_type& __y) |
||
| 6419 | {return __x.__densities_ == __y.__densities_ && __x.__b_ == __y.__b_;}
|
||
| 6420 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6421 | bool operator!=(const param_type& __x, const param_type& __y) |
||
| 6422 | {return !(__x == __y);}
|
||
| 6423 | |||
| 6424 | private: |
||
| 6425 | void __init(); |
||
| 6426 | |||
| 6427 | friend class piecewise_linear_distribution; |
||
| 6428 | |||
| 6429 | template <class _CharT, class _Traits, class _RT> |
||
| 6430 | friend |
||
| 6431 | basic_ostream<_CharT, _Traits>& |
||
| 6432 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6433 | const piecewise_linear_distribution<_RT>& __x); |
||
| 6434 | |||
| 6435 | template <class _CharT, class _Traits, class _RT> |
||
| 6436 | friend |
||
| 6437 | basic_istream<_CharT, _Traits>& |
||
| 6438 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6439 | piecewise_linear_distribution<_RT>& __x); |
||
| 6440 | }; |
||
| 6441 | |||
| 6442 | private: |
||
| 6443 | param_type __p_; |
||
| 6444 | |||
| 6445 | public: |
||
| 6446 | // constructor and reset functions |
||
| 6447 | _LIBCPP_INLINE_VISIBILITY |
||
| 6448 | piecewise_linear_distribution() {}
|
||
| 6449 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6450 | _LIBCPP_INLINE_VISIBILITY |
||
| 6451 | piecewise_linear_distribution(_InputIteratorB __fB, |
||
| 6452 | _InputIteratorB __lB, |
||
| 6453 | _InputIteratorW __fW) |
||
| 6454 | : __p_(__fB, __lB, __fW) {}
|
||
| 6455 | |||
| 6456 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6457 | template<class _UnaryOperation> |
||
| 6458 | _LIBCPP_INLINE_VISIBILITY |
||
| 6459 | piecewise_linear_distribution(initializer_list<result_type> __bl, |
||
| 6460 | _UnaryOperation __fw) |
||
| 6461 | : __p_(__bl, __fw) {}
|
||
| 6462 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6463 | |||
| 6464 | template<class _UnaryOperation> |
||
| 6465 | _LIBCPP_INLINE_VISIBILITY |
||
| 6466 | piecewise_linear_distribution(size_t __nw, result_type __xmin, |
||
| 6467 | result_type __xmax, _UnaryOperation __fw) |
||
| 6468 | : __p_(__nw, __xmin, __xmax, __fw) {}
|
||
| 6469 | |||
| 6470 | _LIBCPP_INLINE_VISIBILITY |
||
| 6471 | explicit piecewise_linear_distribution(const param_type& __p) |
||
| 6472 | : __p_(__p) {}
|
||
| 6473 | |||
| 6474 | _LIBCPP_INLINE_VISIBILITY |
||
| 6475 | void reset() {}
|
||
| 6476 | |||
| 6477 | // generating functions |
||
| 6478 | template<class _URNG> |
||
| 6479 | _LIBCPP_INLINE_VISIBILITY |
||
| 6480 | result_type operator()(_URNG& __g) |
||
| 6481 | {return (*this)(__g, __p_);}
|
||
| 6482 | template<class _URNG> result_type operator()(_URNG& __g, const param_type& __p); |
||
| 6483 | |||
| 6484 | // property functions |
||
| 6485 | _LIBCPP_INLINE_VISIBILITY |
||
| 6486 | vector<result_type> intervals() const {return __p_.intervals();}
|
||
| 6487 | _LIBCPP_INLINE_VISIBILITY |
||
| 6488 | vector<result_type> densities() const {return __p_.densities();}
|
||
| 6489 | |||
| 6490 | _LIBCPP_INLINE_VISIBILITY |
||
| 6491 | param_type param() const {return __p_;}
|
||
| 6492 | _LIBCPP_INLINE_VISIBILITY |
||
| 6493 | void param(const param_type& __p) {__p_ = __p;}
|
||
| 6494 | |||
| 6495 | _LIBCPP_INLINE_VISIBILITY |
||
| 6496 | result_type min() const {return __p_.__b_.front();}
|
||
| 6497 | _LIBCPP_INLINE_VISIBILITY |
||
| 6498 | result_type max() const {return __p_.__b_.back();}
|
||
| 6499 | |||
| 6500 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6501 | bool operator==(const piecewise_linear_distribution& __x, |
||
| 6502 | const piecewise_linear_distribution& __y) |
||
| 6503 | {return __x.__p_ == __y.__p_;}
|
||
| 6504 | friend _LIBCPP_INLINE_VISIBILITY |
||
| 6505 | bool operator!=(const piecewise_linear_distribution& __x, |
||
| 6506 | const piecewise_linear_distribution& __y) |
||
| 6507 | {return !(__x == __y);}
|
||
| 6508 | |||
| 6509 | template <class _CharT, class _Traits, class _RT> |
||
| 6510 | friend |
||
| 6511 | basic_ostream<_CharT, _Traits>& |
||
| 6512 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6513 | const piecewise_linear_distribution<_RT>& __x); |
||
| 6514 | |||
| 6515 | template <class _CharT, class _Traits, class _RT> |
||
| 6516 | friend |
||
| 6517 | basic_istream<_CharT, _Traits>& |
||
| 6518 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6519 | piecewise_linear_distribution<_RT>& __x); |
||
| 6520 | }; |
||
| 6521 | |||
| 6522 | template<class _RealType> |
||
| 6523 | typename piecewise_linear_distribution<_RealType>::param_type & |
||
| 6524 | piecewise_linear_distribution<_RealType>::param_type::operator= |
||
| 6525 | (const param_type& __rhs) |
||
| 6526 | {
|
||
| 6527 | // These can throw |
||
| 6528 | __b_.reserve (__rhs.__b_.size ()); |
||
| 6529 | __densities_.reserve(__rhs.__densities_.size()); |
||
| 6530 | __areas_.reserve (__rhs.__areas_.size()); |
||
| 6531 | |||
| 6532 | // These can not throw |
||
| 6533 | __b_ = __rhs.__b_; |
||
| 6534 | __densities_ = __rhs.__densities_; |
||
| 6535 | __areas_ = __rhs.__areas_; |
||
| 6536 | return *this; |
||
| 6537 | } |
||
| 6538 | |||
| 6539 | |||
| 6540 | template<class _RealType> |
||
| 6541 | void |
||
| 6542 | piecewise_linear_distribution<_RealType>::param_type::__init() |
||
| 6543 | {
|
||
| 6544 | __areas_.assign(__densities_.size() - 1, result_type()); |
||
| 6545 | result_type _Sp = 0; |
||
| 6546 | for (size_t __i = 0; __i < __areas_.size(); ++__i) |
||
| 6547 | {
|
||
| 6548 | __areas_[__i] = (__densities_[__i+1] + __densities_[__i]) * |
||
| 6549 | (__b_[__i+1] - __b_[__i]) * .5; |
||
| 6550 | _Sp += __areas_[__i]; |
||
| 6551 | } |
||
| 6552 | for (size_t __i = __areas_.size(); __i > 1;) |
||
| 6553 | {
|
||
| 6554 | --__i; |
||
| 6555 | __areas_[__i] = __areas_[__i-1] / _Sp; |
||
| 6556 | } |
||
| 6557 | __areas_[0] = 0; |
||
| 6558 | for (size_t __i = 1; __i < __areas_.size(); ++__i) |
||
| 6559 | __areas_[__i] += __areas_[__i-1]; |
||
| 6560 | for (size_t __i = 0; __i < __densities_.size(); ++__i) |
||
| 6561 | __densities_[__i] /= _Sp; |
||
| 6562 | } |
||
| 6563 | |||
| 6564 | template<class _RealType> |
||
| 6565 | piecewise_linear_distribution<_RealType>::param_type::param_type() |
||
| 6566 | : __b_(2), |
||
| 6567 | __densities_(2, 1.0), |
||
| 6568 | __areas_(1, 0.0) |
||
| 6569 | {
|
||
| 6570 | __b_[1] = 1; |
||
| 6571 | } |
||
| 6572 | |||
| 6573 | template<class _RealType> |
||
| 6574 | template<class _InputIteratorB, class _InputIteratorW> |
||
| 6575 | piecewise_linear_distribution<_RealType>::param_type::param_type( |
||
| 6576 | _InputIteratorB __fB, _InputIteratorB __lB, _InputIteratorW __fW) |
||
| 6577 | : __b_(__fB, __lB) |
||
| 6578 | {
|
||
| 6579 | if (__b_.size() < 2) |
||
| 6580 | {
|
||
| 6581 | __b_.resize(2); |
||
| 6582 | __b_[0] = 0; |
||
| 6583 | __b_[1] = 1; |
||
| 6584 | __densities_.assign(2, 1.0); |
||
| 6585 | __areas_.assign(1, 0.0); |
||
| 6586 | } |
||
| 6587 | else |
||
| 6588 | {
|
||
| 6589 | __densities_.reserve(__b_.size()); |
||
| 6590 | for (size_t __i = 0; __i < __b_.size(); ++__i, ++__fW) |
||
| 6591 | __densities_.push_back(*__fW); |
||
| 6592 | __init(); |
||
| 6593 | } |
||
| 6594 | } |
||
| 6595 | |||
| 6596 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6597 | |||
| 6598 | template<class _RealType> |
||
| 6599 | template<class _UnaryOperation> |
||
| 6600 | piecewise_linear_distribution<_RealType>::param_type::param_type( |
||
| 6601 | initializer_list<result_type> __bl, _UnaryOperation __fw) |
||
| 6602 | : __b_(__bl.begin(), __bl.end()) |
||
| 6603 | {
|
||
| 6604 | if (__b_.size() < 2) |
||
| 6605 | {
|
||
| 6606 | __b_.resize(2); |
||
| 6607 | __b_[0] = 0; |
||
| 6608 | __b_[1] = 1; |
||
| 6609 | __densities_.assign(2, 1.0); |
||
| 6610 | __areas_.assign(1, 0.0); |
||
| 6611 | } |
||
| 6612 | else |
||
| 6613 | {
|
||
| 6614 | __densities_.reserve(__b_.size()); |
||
| 6615 | for (size_t __i = 0; __i < __b_.size(); ++__i) |
||
| 6616 | __densities_.push_back(__fw(__b_[__i])); |
||
| 6617 | __init(); |
||
| 6618 | } |
||
| 6619 | } |
||
| 6620 | |||
| 6621 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 6622 | |||
| 6623 | template<class _RealType> |
||
| 6624 | template<class _UnaryOperation> |
||
| 6625 | piecewise_linear_distribution<_RealType>::param_type::param_type( |
||
| 6626 | size_t __nw, result_type __xmin, result_type __xmax, _UnaryOperation __fw) |
||
| 6627 | : __b_(__nw == 0 ? 2 : __nw + 1) |
||
| 6628 | {
|
||
| 6629 | size_t __n = __b_.size() - 1; |
||
| 6630 | result_type __d = (__xmax - __xmin) / __n; |
||
| 6631 | __densities_.reserve(__b_.size()); |
||
| 6632 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6633 | {
|
||
| 6634 | __b_[__i] = __xmin + __i * __d; |
||
| 6635 | __densities_.push_back(__fw(__b_[__i])); |
||
| 6636 | } |
||
| 6637 | __b_[__n] = __xmax; |
||
| 6638 | __densities_.push_back(__fw(__b_[__n])); |
||
| 6639 | __init(); |
||
| 6640 | } |
||
| 6641 | |||
| 6642 | template<class _RealType> |
||
| 6643 | template<class _URNG> |
||
| 6644 | _RealType |
||
| 6645 | piecewise_linear_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) |
||
| 6646 | {
|
||
| 6647 | typedef uniform_real_distribution<result_type> _Gen; |
||
| 6648 | result_type __u = _Gen()(__g); |
||
| 6649 | ptrdiff_t __k = _VSTD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(), |
||
| 6650 | __u) - __p.__areas_.begin() - 1; |
||
| 6651 | __u -= __p.__areas_[__k]; |
||
| 6652 | const result_type __dk = __p.__densities_[__k]; |
||
| 6653 | const result_type __dk1 = __p.__densities_[__k+1]; |
||
| 6654 | const result_type __deltad = __dk1 - __dk; |
||
| 6655 | const result_type __bk = __p.__b_[__k]; |
||
| 6656 | if (__deltad == 0) |
||
| 6657 | return __u / __dk + __bk; |
||
| 6658 | const result_type __bk1 = __p.__b_[__k+1]; |
||
| 6659 | const result_type __deltab = __bk1 - __bk; |
||
| 6660 | return (__bk * __dk1 - __bk1 * __dk + |
||
| 6661 | _VSTD::sqrt(__deltab * (__deltab * __dk * __dk + 2 * __deltad * __u))) / |
||
| 6662 | __deltad; |
||
| 6663 | } |
||
| 6664 | |||
| 6665 | template <class _CharT, class _Traits, class _RT> |
||
| 6666 | basic_ostream<_CharT, _Traits>& |
||
| 6667 | operator<<(basic_ostream<_CharT, _Traits>& __os, |
||
| 6668 | const piecewise_linear_distribution<_RT>& __x) |
||
| 6669 | {
|
||
| 6670 | __save_flags<_CharT, _Traits> __lx(__os); |
||
| 6671 | __os.flags(ios_base::dec | ios_base::left | ios_base::fixed | |
||
| 6672 | ios_base::scientific); |
||
| 6673 | _CharT __sp = __os.widen(' ');
|
||
| 6674 | __os.fill(__sp); |
||
| 6675 | size_t __n = __x.__p_.__b_.size(); |
||
| 6676 | __os << __n; |
||
| 6677 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6678 | __os << __sp << __x.__p_.__b_[__i]; |
||
| 6679 | __n = __x.__p_.__densities_.size(); |
||
| 6680 | __os << __sp << __n; |
||
| 6681 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6682 | __os << __sp << __x.__p_.__densities_[__i]; |
||
| 6683 | __n = __x.__p_.__areas_.size(); |
||
| 6684 | __os << __sp << __n; |
||
| 6685 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6686 | __os << __sp << __x.__p_.__areas_[__i]; |
||
| 6687 | return __os; |
||
| 6688 | } |
||
| 6689 | |||
| 6690 | template <class _CharT, class _Traits, class _RT> |
||
| 6691 | basic_istream<_CharT, _Traits>& |
||
| 6692 | operator>>(basic_istream<_CharT, _Traits>& __is, |
||
| 6693 | piecewise_linear_distribution<_RT>& __x) |
||
| 6694 | {
|
||
| 6695 | typedef piecewise_linear_distribution<_RT> _Eng; |
||
| 6696 | typedef typename _Eng::result_type result_type; |
||
| 6697 | __save_flags<_CharT, _Traits> __lx(__is); |
||
| 6698 | __is.flags(ios_base::dec | ios_base::skipws); |
||
| 6699 | size_t __n; |
||
| 6700 | __is >> __n; |
||
| 6701 | vector<result_type> __b(__n); |
||
| 6702 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6703 | __is >> __b[__i]; |
||
| 6704 | __is >> __n; |
||
| 6705 | vector<result_type> __densities(__n); |
||
| 6706 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6707 | __is >> __densities[__i]; |
||
| 6708 | __is >> __n; |
||
| 6709 | vector<result_type> __areas(__n); |
||
| 6710 | for (size_t __i = 0; __i < __n; ++__i) |
||
| 6711 | __is >> __areas[__i]; |
||
| 6712 | if (!__is.fail()) |
||
| 6713 | {
|
||
| 6714 | swap(__x.__p_.__b_, __b); |
||
| 6715 | swap(__x.__p_.__densities_, __densities); |
||
| 6716 | swap(__x.__p_.__areas_, __areas); |
||
| 6717 | } |
||
| 6718 | return __is; |
||
| 6719 | } |
||
| 6720 | |||
| 6721 | _LIBCPP_END_NAMESPACE_STD |
||
| 6722 | |||
| 6723 | #endif // _LIBCPP_RANDOM |