diff options
Diffstat (limited to 'libstdc++-v3/include/bits/random.h')
| -rw-r--r-- | libstdc++-v3/include/bits/random.h | 647 |
1 files changed, 637 insertions, 10 deletions
diff --git a/libstdc++-v3/include/bits/random.h b/libstdc++-v3/include/bits/random.h index 159724c89ee..3f1a61535af 100644 --- a/libstdc++-v3/include/bits/random.h +++ b/libstdc++-v3/include/bits/random.h @@ -268,7 +268,8 @@ namespace std * @param __rhs Another linear congruential random number generator * object. * - * @returns true if the two objects are equal, false otherwise. + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. */ friend bool operator==(const linear_congruential_engine& __lhs, @@ -314,6 +315,25 @@ namespace std _UIntType _M_x; }; + /** + * @brief Compares two linear congruential random number generator + * objects of the same type for inequality. + * + * @param __lhs A linear congruential random number generator object. + * @param __rhs Another linear congruential random number generator + * object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> + inline bool + operator!=(const std::linear_congruential_engine<_UIntType, __a, + __c, __m>& __lhs, + const std::linear_congruential_engine<_UIntType, __a, + __c, __m>& __rhs) + { return !(__lhs == __rhs); } + /** * A generalized feedback shift register discrete random number generator. @@ -461,7 +481,8 @@ namespace std * @param __rhs Another % mersenne_twister_engine random number * generator object. * - * @returns true if the two objects are equal, false otherwise. + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. */ friend bool operator==(const mersenne_twister_engine& __lhs, @@ -526,6 +547,31 @@ namespace std }; /** + * @brief Compares two % mersenne_twister_engine random number generator + * objects of the same type for inequality. + * + * @param __lhs A % mersenne_twister_engine random number generator + * object. + * @param __rhs Another % mersenne_twister_engine random number + * generator object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _UIntType, size_t __w, + size_t __n, size_t __m, size_t __r, + _UIntType __a, size_t __u, _UIntType __d, size_t __s, + _UIntType __b, size_t __t, + _UIntType __c, size_t __l, _UIntType __f> + inline bool + operator!=(const std::mersenne_twister_engine<_UIntType, __w, __n, __m, + __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>& __lhs, + const std::mersenne_twister_engine<_UIntType, __w, __n, __m, + __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>& __rhs) + { return !(__lhs == __rhs); } + + + /** * @brief The Marsaglia-Zaman generator. * * This is a model of a Generalized Fibonacci discrete random number @@ -655,8 +701,9 @@ namespace std * @param __rhs Another % subtract_with_carry_engine random number * generator object. * - * @returns true if the two objects are equal, false otherwise. - */ + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. + */ friend bool operator==(const subtract_with_carry_engine& __lhs, const subtract_with_carry_engine& __rhs) @@ -707,6 +754,27 @@ namespace std }; /** + * @brief Compares two % subtract_with_carry_engine random number + * generator objects of the same type for inequality. + * + * @param __lhs A % subtract_with_carry_engine random number generator + * object. + * @param __rhs Another % subtract_with_carry_engine random number + * generator object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _UIntType, size_t __w, size_t __s, size_t __r> + inline bool + operator!=(const std::subtract_with_carry_engine<_UIntType, __w, + __s, __r>& __lhs, + const std::subtract_with_carry_engine<_UIntType, __w, + __s, __r>& __rhs) + { return !(__lhs == __rhs); } + + + /** * Produces random numbers from some base engine by discarding blocks of * data. * @@ -865,12 +933,13 @@ namespace std * @param __rhs Another %discard_block_engine random number generator * object. * - * @returns true if the two objects are equal, false otherwise. + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. */ friend bool operator==(const discard_block_engine& __lhs, const discard_block_engine& __rhs) - { return (__lhs._M_b == __rhs._M_b) && (__lhs._M_n == __rhs._M_n); } + { return __lhs._M_b == __rhs._M_b && __lhs._M_n == __rhs._M_n; } /** * @brief Inserts the current state of a %discard_block_engine random @@ -914,6 +983,26 @@ namespace std }; /** + * @brief Compares two %discard_block_engine random number generator + * objects of the same type for inequality. + * + * @param __lhs A %discard_block_engine random number generator object. + * @param __rhs Another %discard_block_engine random number generator + * object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _RandomNumberEngine, size_t __p, size_t __r> + inline bool + operator!=(const std::discard_block_engine<_RandomNumberEngine, __p, + __r>& __lhs, + const std::discard_block_engine<_RandomNumberEngine, __p, + __r>& __rhs) + { return !(__lhs == __rhs); } + + + /** * Produces random numbers by combining random numbers from some base * engine to produce random numbers with a specifies number of bits @p __w. */ @@ -1060,7 +1149,8 @@ namespace std * @param __rhs Another %independent_bits_engine random number generator * object. * - * @returns true if the two objects are equal, false otherwise. + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. */ friend bool operator==(const independent_bits_engine& __lhs, @@ -1094,6 +1184,26 @@ namespace std }; /** + * @brief Compares two %independent_bits_engine random number generator + * objects of the same type for inequality. + * + * @param __lhs A %independent_bits_engine random number generator + * object. + * @param __rhs Another %independent_bits_engine random number generator + * object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _RandomNumberEngine, size_t __w, typename _UIntType> + inline bool + operator!=(const std::independent_bits_engine<_RandomNumberEngine, __w, + _UIntType>& __lhs, + const std::independent_bits_engine<_RandomNumberEngine, __w, + _UIntType>& __rhs) + { return !(__lhs == __rhs); } + + /** * @brief Inserts the current state of a %independent_bits_engine random * number generator engine @p __x into the output stream @p __os. * @@ -1114,6 +1224,7 @@ namespace std return __os; } + /** * @brief Produces random numbers by combining random numbers from some * base engine to produce random numbers with a specifies number of bits @@ -1273,8 +1384,9 @@ namespace std * @param __rhs Another %shuffle_order_engine random number generator * object. * - * @returns true if the two objects are equal, false otherwise. - */ + * @returns true if the infinite sequences of generated values + * would be equal, false otherwise. + */ friend bool operator==(const shuffle_order_engine& __lhs, const shuffle_order_engine& __rhs) @@ -1329,6 +1441,26 @@ namespace std }; /** + * Compares two %shuffle_order_engine random number generator objects + * of the same type for inequality. + * + * @param __lhs A %shuffle_order_engine random number generator object. + * @param __rhs Another %shuffle_order_engine random number generator + * object. + * + * @returns true if the infinite sequences of generated values + * would be different, false otherwise. + */ + template<typename _RandomNumberEngine, size_t __k> + inline bool + operator!=(const std::shuffle_order_engine<_RandomNumberEngine, + __k>& __lhs, + const std::shuffle_order_engine<_RandomNumberEngine, + __k>& __rhs) + { return !(__lhs == __rhs); } + + + /** * The classic Minimum Standard rand0 of Lewis, Goodman, and Miller. */ typedef linear_congruential_engine<uint_fast32_t, 16807UL, 0UL, 2147483647UL> @@ -1522,6 +1654,10 @@ namespace std b() const { return _M_b; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_a == __p2._M_a && __p1._M_b == __p2._M_b; } + private: _IntType _M_a; _IntType _M_b; @@ -1610,6 +1746,26 @@ namespace std }; /** + * @brief Return true if two uniform integer distributions have + * the same parameters. + */ + template<typename _IntType> + inline bool + operator==(const std::uniform_int_distribution<_IntType>& __d1, + const std::uniform_int_distribution<_IntType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two uniform integer distributions have + * different parameters. + */ + template<typename _IntType> + inline bool + operator!=(const std::uniform_int_distribution<_IntType>& __d1, + const std::uniform_int_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %uniform_int_distribution random number * distribution @p __x into the output stream @p os. * @@ -1676,6 +1832,10 @@ namespace std b() const { return _M_b; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_a == __p2._M_a && __p1._M_b == __p2._M_b; } + private: _RealType _M_a; _RealType _M_b; @@ -1764,6 +1924,26 @@ namespace std }; /** + * @brief Return true if two uniform real distributions have + * the same parameters. + */ + template<typename _IntType> + inline bool + operator==(const std::uniform_real_distribution<_IntType>& __d1, + const std::uniform_real_distribution<_IntType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two uniform real distributions have + * different parameters. + */ + template<typename _IntType> + inline bool + operator!=(const std::uniform_real_distribution<_IntType>& __d1, + const std::uniform_real_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %uniform_real_distribution random number * distribution @p __x into the output stream @p __os. * @@ -1839,6 +2019,11 @@ namespace std stddev() const { return _M_stddev; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return (__p1._M_mean == __p2._M_mean + && __p1._M_stddev == __p2._M_stddev); } + private: _RealType _M_mean; _RealType _M_stddev; @@ -1921,6 +2106,16 @@ namespace std const param_type& __p); /** + * @brief Return true if two normal distributions have + * the same parameters and the sequences that would + * be generated are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::normal_distribution<_RealType1>& __d1, + const std::normal_distribution<_RealType1>& __d2); + + /** * @brief Inserts a %normal_distribution random number distribution * @p __x into the output stream @p __os. * @@ -1956,6 +2151,15 @@ namespace std bool _M_saved_available; }; + /** + * @brief Return true if two normal distributions are different. + */ + template<typename _RealType> + inline bool + operator!=(const std::normal_distribution<_RealType>& __d1, + const std::normal_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A lognormal_distribution random number distribution. @@ -1994,6 +2198,10 @@ namespace std s() const { return _M_s; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_m == __p2._M_m && __p1._M_s == __p2._M_s; } + private: _RealType _M_m; _RealType _M_s; @@ -2069,6 +2277,18 @@ namespace std { return std::exp(__p.s() * _M_nd(__urng) + __p.m()); } /** + * @brief Return true if two lognormal distributions have + * the same parameters and the sequences that would + * be generated are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::lognormal_distribution<_RealType1>& __d1, + const std::lognormal_distribution<_RealType1>& __d2) + { return (__d1.param() == __d2.param() + && __d1._M_nd == __d2._M_nd); } + + /** * @brief Inserts a %lognormal_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2104,7 +2324,16 @@ namespace std std::normal_distribution<result_type> _M_nd; }; - + /** + * @brief Return true if two lognormal distributions are different. + */ + template<typename _RealType> + inline bool + operator!=(const std::lognormal_distribution<_RealType>& __d1, + const std::lognormal_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief A gamma continuous distribution for random numbers. * @@ -2146,6 +2375,11 @@ namespace std beta() const { return _M_beta; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return (__p1._M_alpha == __p2._M_alpha + && __p1._M_beta == __p2._M_beta); } + private: void _M_initialize(); @@ -2233,6 +2467,18 @@ namespace std const param_type& __p); /** + * @brief Return true if two gamma distributions have the same + * parameters and the sequences that would be generated + * are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::gamma_distribution<_RealType1>& __d1, + const std::gamma_distribution<_RealType1>& __d2) + { return (__d1.param() == __d2.param() + && __d1._M_nd == __d2._M_nd); } + + /** * @brief Inserts a %gamma_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2267,6 +2513,15 @@ namespace std std::normal_distribution<result_type> _M_nd; }; + /** + * @brief Return true if two gamma distributions are different. + */ + template<typename _RealType> + inline bool + operator!=(const std::gamma_distribution<_RealType>& __d1, + const std::gamma_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A chi_squared_distribution random number distribution. @@ -2297,6 +2552,10 @@ namespace std n() const { return _M_n; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_n == __p2._M_n; } + private: _RealType _M_n; }; @@ -2370,6 +2629,17 @@ namespace std } /** + * @brief Return true if two Chi-squared distributions have + * the same parameters and the sequences that would be + * generated are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::chi_squared_distribution<_RealType1>& __d1, + const std::chi_squared_distribution<_RealType1>& __d2) + { return __d1.param() == __d2.param() && __d1._M_gd == __d2._M_gd; } + + /** * @brief Inserts a %chi_squared_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2405,6 +2675,15 @@ namespace std std::gamma_distribution<result_type> _M_gd; }; + /** + * @brief Return true if two Chi-squared distributions are different. + */ + template<typename _RealType> + inline bool + operator!=(const std::chi_squared_distribution<_RealType>& __d1, + const std::chi_squared_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A cauchy_distribution random number distribution. @@ -2440,6 +2719,10 @@ namespace std b() const { return _M_b; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_a == __p2._M_a && __p1._M_b == __p2._M_b; } + private: _RealType _M_a; _RealType _M_b; @@ -2518,6 +2801,26 @@ namespace std }; /** + * @brief Return true if two Cauchy distributions have + * the same parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::cauchy_distribution<_RealType>& __d1, + const std::cauchy_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two Cauchy distributions have + * different parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::cauchy_distribution<_RealType>& __d1, + const std::cauchy_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %cauchy_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2586,6 +2889,10 @@ namespace std n() const { return _M_n; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_m == __p2._M_m && __p1._M_n == __p2._M_n; } + private: _RealType _M_m; _RealType _M_n; @@ -2669,6 +2976,19 @@ namespace std } /** + * @brief Return true if two Fisher f distributions have + * the same parameters and the sequences that would + * be generated are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::fisher_f_distribution<_RealType1>& __d1, + const std::fisher_f_distribution<_RealType1>& __d2) + { return (__d1.param() == __d2.param() + && __d1._M_gd_x == __d2._M_gd_x + && __d1._M_gd_y == __d2._M_gd_y); } + + /** * @brief Inserts a %fisher_f_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2704,6 +3024,14 @@ namespace std std::gamma_distribution<result_type> _M_gd_x, _M_gd_y; }; + /** + * @brief Return true if two Fisher f distributions are diferent. + */ + template<typename _RealType> + inline bool + operator!=(const std::fisher_f_distribution<_RealType>& __d1, + const std::fisher_f_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } /** * @brief A student_t_distribution random number distribution. @@ -2737,6 +3065,10 @@ namespace std n() const { return _M_n; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_n == __p2._M_n; } + private: _RealType _M_n; }; @@ -2815,6 +3147,18 @@ namespace std } /** + * @brief Return true if two Student t distributions have + * the same parameters and the sequences that would + * be generated are equal. + */ + template<typename _RealType1> + friend bool + operator==(const std::student_t_distribution<_RealType1>& __d1, + const std::student_t_distribution<_RealType1>& __d2) + { return (__d1.param() == __d2.param() + && __d1._M_nd == __d2._M_nd && __d1._M_gd == __d2._M_gd); } + + /** * @brief Inserts a %student_t_distribution random number distribution * @p __x into the output stream @p __os. * @@ -2851,6 +3195,16 @@ namespace std std::gamma_distribution<result_type> _M_gd; }; + /** + * @brief Return true if two Student t distributions are different. + */ + template<typename _RealType> + inline bool + operator!=(const std::student_t_distribution<_RealType>& __d1, + const std::student_t_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + + /* @} */ // group random_distributions_normal /** @@ -2886,6 +3240,10 @@ namespace std p() const { return _M_p; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_p == __p2._M_p; } + private: double _M_p; }; @@ -2977,6 +3335,24 @@ namespace std }; /** + * @brief Return true if two Bernoulli distributions have + * the same parameters. + */ + inline bool + operator==(const std::bernoulli_distribution& __d1, + const std::bernoulli_distribution& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two Bernoulli distributions have + * different parameters. + */ + inline bool + operator!=(const std::bernoulli_distribution& __d1, + const std::bernoulli_distribution& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %bernoulli_distribution random number distribution * @p __x into the output stream @p __os. * @@ -3052,6 +3428,10 @@ namespace std p() const { return _M_p; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_t == __p2._M_t && __p1._M_p == __p2._M_p; } + private: void _M_initialize(); @@ -3129,6 +3509,21 @@ namespace std max() const { return _M_param.t(); } + /** + * @brief Return true if two binomial distributions have + * the same parameters and the sequences that would + * be generated are equal. + */ + template<typename _IntType1> + friend bool + operator==(const std::binomial_distribution<_IntType1>& __d1, + const std::binomial_distribution<_IntType1>& __d2) +#ifdef _GLIBCXX_USE_C99_MATH_TR1 + { return __d1.param() == __d2.param() && __d1._M_nd == __d2._M_nd; } +#else + { return __d1.param() == __d2.param(); } +#endif + template<typename _UniformRandomNumberGenerator> result_type operator()(_UniformRandomNumberGenerator& __urng) @@ -3182,6 +3577,15 @@ namespace std std::normal_distribution<double> _M_nd; }; + /** + * @brief Return true if two binomial distributions are different. + */ + template<typename _IntType> + inline bool + operator!=(const std::binomial_distribution<_IntType>& __d1, + const std::binomial_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A discrete geometric random number distribution. @@ -3218,6 +3622,10 @@ namespace std p() const { return _M_p; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_p == __p2._M_p; } + private: void _M_initialize() @@ -3298,6 +3706,26 @@ namespace std }; /** + * @brief Return true if two geometric distributions have + * the same parameters. + */ + template<typename _IntType> + inline bool + operator==(const std::geometric_distribution<_IntType>& __d1, + const std::geometric_distribution<_IntType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two geometric distributions have + * different parameters. + */ + template<typename _IntType> + inline bool + operator!=(const std::geometric_distribution<_IntType>& __d1, + const std::geometric_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %geometric_distribution random number distribution * @p __x into the output stream @p __os. * @@ -3363,6 +3791,10 @@ namespace std p() const { return _M_p; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_k == __p2._M_k && __p1._M_p == __p2._M_p; } + private: _IntType _M_k; double _M_p; @@ -3438,6 +3870,17 @@ namespace std const param_type& __p); /** + * @brief Return true if two negative binomial distributions have + * the same parameters and the sequences that would be + * generated are equal. + */ + template<typename _IntType1> + friend bool + operator==(const std::negative_binomial_distribution<_IntType1>& __d1, + const std::negative_binomial_distribution<_IntType1>& __d2) + { return __d1.param() == __d2.param() && __d1._M_gd == __d2._M_gd; } + + /** * @brief Inserts a %negative_binomial_distribution random * number distribution @p __x into the output stream @p __os. * @@ -3474,6 +3917,16 @@ namespace std std::gamma_distribution<double> _M_gd; }; + /** + * @brief Return true if two negative binomial distributions are different. + */ + template<typename _IntType> + inline bool + operator!=(const std::negative_binomial_distribution<_IntType>& __d1, + const std::negative_binomial_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + + /* @} */ // group random_distributions_bernoulli /** @@ -3516,6 +3969,10 @@ namespace std mean() const { return _M_mean; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_mean == __p2._M_mean; } + private: // Hosts either log(mean) or the threshold of the simple method. void @@ -3593,6 +4050,21 @@ namespace std operator()(_UniformRandomNumberGenerator& __urng, const param_type& __p); + /** + * @brief Return true if two Poisson distributions have the same + * parameters and the sequences that would be generated + * are equal. + */ + template<typename _IntType1> + friend bool + operator==(const std::poisson_distribution<_IntType1>& __d1, + const std::poisson_distribution<_IntType1>& __d2) +#ifdef _GLIBCXX_USE_C99_MATH_TR1 + { return __d1.param() == __d2.param() && __d1._M_nd == __d2._M_nd; } +#else + { return __d1.param() == __d2.param(); } +#endif + /** * @brief Inserts a %poisson_distribution random number distribution * @p __x into the output stream @p __os. @@ -3631,6 +4103,16 @@ namespace std }; /** + * @brief Return true if two Poisson distributions are different. + */ + template<typename _IntType> + inline bool + operator!=(const std::poisson_distribution<_IntType>& __d1, + const std::poisson_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + + + /** * @brief An exponential continuous distribution for random numbers. * * The formula for the exponential probability density function is @@ -3670,6 +4152,10 @@ namespace std lambda() const { return _M_lambda; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_lambda == __p2._M_lambda; } + private: _RealType _M_lambda; }; @@ -3753,6 +4239,26 @@ namespace std }; /** + * @brief Return true if two exponential distributions have the same + * parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::exponential_distribution<_RealType>& __d1, + const std::exponential_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two exponential distributions have different + * parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::exponential_distribution<_RealType>& __d1, + const std::exponential_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %exponential_distribution random number distribution * @p __x into the output stream @p __os. * @@ -3820,6 +4326,10 @@ namespace std b() const { return _M_b; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_a == __p2._M_a && __p1._M_b == __p2._M_b; } + private: _RealType _M_a; _RealType _M_b; @@ -3900,6 +4410,26 @@ namespace std param_type _M_param; }; + /** + * @brief Return true if two Weibull distributions have the same + * parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::weibull_distribution<_RealType>& __d1, + const std::weibull_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two Weibull distributions have different + * parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::weibull_distribution<_RealType>& __d1, + const std::weibull_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /** * @brief Inserts a %weibull_distribution random number distribution * @p __x into the output stream @p __os. @@ -3968,6 +4498,10 @@ namespace std b() const { return _M_b; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_a == __p2._M_a && __p1._M_b == __p2._M_b; } + private: _RealType _M_a; _RealType _M_b; @@ -4049,6 +4583,26 @@ namespace std }; /** + * @brief Return true if two extreme value distributions have the same + * parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::extreme_value_distribution<_RealType>& __d1, + const std::extreme_value_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two extreme value distributions have different + * parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::extreme_value_distribution<_RealType>& __d1, + const std::extreme_value_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + + /** * @brief Inserts a %extreme_value_distribution random number distribution * @p __x into the output stream @p __os. * @@ -4122,6 +4676,10 @@ namespace std probabilities() const { return _M_prob; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_prob == __p2._M_prob; } + private: void _M_initialize(); @@ -4243,6 +4801,26 @@ namespace std param_type _M_param; }; + /** + * @brief Return true if two discrete distributions have the same + * parameters. + */ + template<typename _IntType> + inline bool + operator==(const std::discrete_distribution<_IntType>& __d1, + const std::discrete_distribution<_IntType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two discrete distributions have different + * parameters. + */ + template<typename _IntType> + inline bool + operator!=(const std::discrete_distribution<_IntType>& __d1, + const std::discrete_distribution<_IntType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A piecewise_constant_distribution random number distribution. @@ -4289,6 +4867,10 @@ namespace std densities() const { return _M_den; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return __p1._M_int == __p2._M_int && __p1._M_den == __p2._M_den; } + private: void _M_initialize(); @@ -4424,6 +5006,26 @@ namespace std param_type _M_param; }; + /** + * @brief Return true if two piecewise constant distributions have the + * same parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::piecewise_constant_distribution<_RealType>& __d1, + const std::piecewise_constant_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two piecewise constant distributions have + * different parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::piecewise_constant_distribution<_RealType>& __d1, + const std::piecewise_constant_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /** * @brief A piecewise_linear_distribution random number distribution. @@ -4470,6 +5072,11 @@ namespace std densities() const { return _M_den; } + friend bool + operator==(const param_type& __p1, const param_type& __p2) + { return (__p1._M_int == __p2._M_int + && __p1._M_den == __p2._M_den); } + private: void _M_initialize(); @@ -4607,6 +5214,26 @@ namespace std param_type _M_param; }; + /** + * @brief Return true if two piecewise linear distributions have the + * same parameters. + */ + template<typename _RealType> + inline bool + operator==(const std::piecewise_linear_distribution<_RealType>& __d1, + const std::piecewise_linear_distribution<_RealType>& __d2) + { return __d1.param() == __d2.param(); } + + /** + * @brief Return true if two piecewise linear distributions have + * different parameters. + */ + template<typename _RealType> + inline bool + operator!=(const std::piecewise_linear_distribution<_RealType>& __d1, + const std::piecewise_linear_distribution<_RealType>& __d2) + { return !(__d1 == __d2); } + /* @} */ // group random_distributions_poisson |