| // -*- C++ -*- |
| //===--------------------------- random -----------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_RANDOM |
| #define _LIBCPP_RANDOM |
| |
| /* |
| random synopsis |
| |
| #include <initializer_list> |
| |
| namespace std |
| { |
| |
| // Engines |
| |
| template <class UIntType, UIntType a, UIntType c, UIntType m> |
| class linear_congruential_engine |
| { |
| public: |
| // types |
| typedef UIntType result_type; |
| |
| // engine characteristics |
| static constexpr result_type multiplier = a; |
| static constexpr result_type increment = c; |
| static constexpr result_type modulus = m; |
| static constexpr result_type min() { return c == 0u ? 1u: 0u;} |
| static constexpr result_type max() { return m - 1u;} |
| static constexpr result_type default_seed = 1u; |
| |
| // constructors and seeding functions |
| explicit linear_congruential_engine(result_type s = default_seed); |
| template<class Sseq> explicit linear_congruential_engine(Sseq& q); |
| void seed(result_type s = default_seed); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); |
| void discard(unsigned long long z); |
| }; |
| |
| template <class UIntType, UIntType a, UIntType c, UIntType m> |
| bool |
| operator==(const linear_congruential_engine<UIntType, a, c, m>& x, |
| const linear_congruential_engine<UIntType, a, c, m>& y); |
| |
| template <class UIntType, UIntType a, UIntType c, UIntType m> |
| bool |
| operator!=(const linear_congruential_engine<UIntType, a, c, m>& x, |
| const linear_congruential_engine<UIntType, a, c, m>& y); |
| |
| template <class charT, class traits, |
| class UIntType, UIntType a, UIntType c, UIntType m> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const linear_congruential_engine<UIntType, a, c, m>& x); |
| |
| template <class charT, class traits, |
| class UIntType, UIntType a, UIntType c, UIntType m> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| linear_congruential_engine<UIntType, a, c, m>& x); |
| |
| template <class 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> |
| class mersenne_twister_engine |
| { |
| public: |
| // types |
| typedef UIntType result_type; |
| |
| // engine characteristics |
| static constexpr size_t word_size = w; |
| static constexpr size_t state_size = n; |
| static constexpr size_t shift_size = m; |
| static constexpr size_t mask_bits = r; |
| static constexpr result_type xor_mask = a; |
| static constexpr size_t tempering_u = u; |
| static constexpr result_type tempering_d = d; |
| static constexpr size_t tempering_s = s; |
| static constexpr result_type tempering_b = b; |
| static constexpr size_t tempering_t = t; |
| static constexpr result_type tempering_c = c; |
| static constexpr size_t tempering_l = l; |
| static constexpr result_type initialization_multiplier = f; |
| static constexpr result_type min () { return 0; } |
| static constexpr result_type max() { return 2^w - 1; } |
| static constexpr result_type default_seed = 5489u; |
| |
| // constructors and seeding functions |
| explicit mersenne_twister_engine(result_type value = default_seed); |
| template<class Sseq> explicit mersenne_twister_engine(Sseq& q); |
| void seed(result_type value = default_seed); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); |
| void discard(unsigned long long z); |
| }; |
| |
| template <class 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> |
| bool |
| operator==( |
| const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x, |
| const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y); |
| |
| template <class 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> |
| bool |
| operator!=( |
| const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x, |
| const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y); |
| |
| template <class charT, class traits, |
| class 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> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); |
| |
| template <class charT, class traits, |
| class 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> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x); |
| |
| template<class UIntType, size_t w, size_t s, size_t r> |
| class subtract_with_carry_engine |
| { |
| public: |
| // types |
| typedef UIntType result_type; |
| |
| // engine characteristics |
| static constexpr size_t word_size = w; |
| static constexpr size_t short_lag = s; |
| static constexpr size_t long_lag = r; |
| static constexpr result_type min() { return 0; } |
| static constexpr result_type max() { return m-1; } |
| static constexpr result_type default_seed = 19780503u; |
| |
| // constructors and seeding functions |
| explicit subtract_with_carry_engine(result_type value = default_seed); |
| template<class Sseq> explicit subtract_with_carry_engine(Sseq& q); |
| void seed(result_type value = default_seed); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); |
| void discard(unsigned long long z); |
| }; |
| |
| template<class UIntType, size_t w, size_t s, size_t r> |
| bool |
| operator==( |
| const subtract_with_carry_engine<UIntType, w, s, r>& x, |
| const subtract_with_carry_engine<UIntType, w, s, r>& y); |
| |
| template<class UIntType, size_t w, size_t s, size_t r> |
| bool |
| operator!=( |
| const subtract_with_carry_engine<UIntType, w, s, r>& x, |
| const subtract_with_carry_engine<UIntType, w, s, r>& y); |
| |
| template <class charT, class traits, |
| class UIntType, size_t w, size_t s, size_t r> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const subtract_with_carry_engine<UIntType, w, s, r>& x); |
| |
| template <class charT, class traits, |
| class UIntType, size_t w, size_t s, size_t r> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| subtract_with_carry_engine<UIntType, w, s, r>& x); |
| |
| template<class Engine, size_t p, size_t r> |
| class discard_block_engine |
| { |
| public: |
| // types |
| typedef typename Engine::result_type result_type; |
| |
| // engine characteristics |
| static constexpr size_t block_size = p; |
| static constexpr size_t used_block = r; |
| static constexpr result_type min() { return Engine::min(); } |
| static constexpr result_type max() { return Engine::max(); } |
| |
| // constructors and seeding functions |
| discard_block_engine(); |
| explicit discard_block_engine(const Engine& e); |
| explicit discard_block_engine(Engine&& e); |
| explicit discard_block_engine(result_type s); |
| template<class Sseq> explicit discard_block_engine(Sseq& q); |
| void seed(); |
| void seed(result_type s); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); |
| void discard(unsigned long long z); |
| |
| // property functions |
| const Engine& base() const noexcept; |
| }; |
| |
| template<class Engine, size_t p, size_t r> |
| bool |
| operator==( |
| const discard_block_engine<Engine, p, r>& x, |
| const discard_block_engine<Engine, p, r>& y); |
| |
| template<class Engine, size_t p, size_t r> |
| bool |
| operator!=( |
| const discard_block_engine<Engine, p, r>& x, |
| const discard_block_engine<Engine, p, r>& y); |
| |
| template <class charT, class traits, |
| class Engine, size_t p, size_t r> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const discard_block_engine<Engine, p, r>& x); |
| |
| template <class charT, class traits, |
| class Engine, size_t p, size_t r> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| discard_block_engine<Engine, p, r>& x); |
| |
| template<class Engine, size_t w, class UIntType> |
| class independent_bits_engine |
| { |
| public: |
| // types |
| typedef UIntType result_type; |
| |
| // engine characteristics |
| static constexpr result_type min() { return 0; } |
| static constexpr result_type max() { return 2^w - 1; } |
| |
| // constructors and seeding functions |
| independent_bits_engine(); |
| explicit independent_bits_engine(const Engine& e); |
| explicit independent_bits_engine(Engine&& e); |
| explicit independent_bits_engine(result_type s); |
| template<class Sseq> explicit independent_bits_engine(Sseq& q); |
| void seed(); |
| void seed(result_type s); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); void discard(unsigned long long z); |
| |
| // property functions |
| const Engine& base() const noexcept; |
| }; |
| |
| template<class Engine, size_t w, class UIntType> |
| bool |
| operator==( |
| const independent_bits_engine<Engine, w, UIntType>& x, |
| const independent_bits_engine<Engine, w, UIntType>& y); |
| |
| template<class Engine, size_t w, class UIntType> |
| bool |
| operator!=( |
| const independent_bits_engine<Engine, w, UIntType>& x, |
| const independent_bits_engine<Engine, w, UIntType>& y); |
| |
| template <class charT, class traits, |
| class Engine, size_t w, class UIntType> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const independent_bits_engine<Engine, w, UIntType>& x); |
| |
| template <class charT, class traits, |
| class Engine, size_t w, class UIntType> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| independent_bits_engine<Engine, w, UIntType>& x); |
| |
| template<class Engine, size_t k> |
| class shuffle_order_engine |
| { |
| public: |
| // types |
| typedef typename Engine::result_type result_type; |
| |
| // engine characteristics |
| static constexpr size_t table_size = k; |
| static constexpr result_type min() { return Engine::min; } |
| static constexpr result_type max() { return Engine::max; } |
| |
| // constructors and seeding functions |
| shuffle_order_engine(); |
| explicit shuffle_order_engine(const Engine& e); |
| explicit shuffle_order_engine(Engine&& e); |
| explicit shuffle_order_engine(result_type s); |
| template<class Sseq> explicit shuffle_order_engine(Sseq& q); |
| void seed(); |
| void seed(result_type s); |
| template<class Sseq> void seed(Sseq& q); |
| |
| // generating functions |
| result_type operator()(); |
| void discard(unsigned long long z); |
| |
| // property functions |
| const Engine& base() const noexcept; |
| }; |
| |
| template<class Engine, size_t k> |
| bool |
| operator==( |
| const shuffle_order_engine<Engine, k>& x, |
| const shuffle_order_engine<Engine, k>& y); |
| |
| template<class Engine, size_t k> |
| bool |
| operator!=( |
| const shuffle_order_engine<Engine, k>& x, |
| const shuffle_order_engine<Engine, k>& y); |
| |
| template <class charT, class traits, |
| class Engine, size_t k> |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const shuffle_order_engine<Engine, k>& x); |
| |
| template <class charT, class traits, |
| class Engine, size_t k> |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| shuffle_order_engine<Engine, k>& x); |
| |
| typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> |
| minstd_rand0; |
| typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> |
| minstd_rand; |
| typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31, |
| 0x9908b0df, |
| 11, 0xffffffff, |
| 7, 0x9d2c5680, |
| 15, 0xefc60000, |
| 18, 1812433253> mt19937; |
| typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31, |
| 0xb5026f5aa96619e9, |
| 29, 0x5555555555555555, |
| 17, 0x71d67fffeda60000, |
| 37, 0xfff7eee000000000, |
| 43, 6364136223846793005> mt19937_64; |
| typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base; |
| typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; |
| typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24; |
| typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48; |
| typedef shuffle_order_engine<minstd_rand0, 256> knuth_b; |
| typedef minstd_rand default_random_engine; |
| |
| // Generators |
| |
| class random_device |
| { |
| public: |
| // types |
| typedef unsigned int result_type; |
| |
| // generator characteristics |
| static constexpr result_type min() { return numeric_limits<result_type>::min(); } |
| static constexpr result_type max() { return numeric_limits<result_type>::max(); } |
| |
| // constructors |
| explicit random_device(const string& token = "/dev/urandom"); |
| |
| // generating functions |
| result_type operator()(); |
| |
| // property functions |
| double entropy() const noexcept; |
| |
| // no copy functions |
| random_device(const random_device& ) = delete; |
| void operator=(const random_device& ) = delete; |
| }; |
| |
| // Utilities |
| |
| class seed_seq |
| { |
| public: |
| // types |
| typedef uint_least32_t result_type; |
| |
| // constructors |
| seed_seq(); |
| template<class T> |
| seed_seq(initializer_list<T> il); |
| template<class InputIterator> |
| seed_seq(InputIterator begin, InputIterator end); |
| |
| // generating functions |
| template<class RandomAccessIterator> |
| void generate(RandomAccessIterator begin, RandomAccessIterator end); |
| |
| // property functions |
| size_t size() const; |
| template<class OutputIterator> |
| void param(OutputIterator dest) const; |
| |
| // no copy functions |
| seed_seq(const seed_seq&) = delete; |
| void operator=(const seed_seq& ) = delete; |
| }; |
| |
| template<class RealType, size_t bits, class URNG> |
| RealType generate_canonical(URNG& g); |
| |
| // Distributions |
| |
| template<class IntType = int> |
| class uniform_int_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef uniform_int_distribution distribution_type; |
| |
| explicit param_type(IntType a = 0, |
| IntType b = numeric_limits<IntType>::max()); |
| |
| result_type a() const; |
| result_type b() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit uniform_int_distribution(IntType a = 0, |
| IntType b = numeric_limits<IntType>::max()); |
| explicit uniform_int_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type a() const; |
| result_type b() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const uniform_int_distribution& x, |
| const uniform_int_distribution& y); |
| friend bool operator!=(const uniform_int_distribution& x, |
| const uniform_int_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const uniform_int_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| uniform_int_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class uniform_real_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef uniform_real_distribution distribution_type; |
| |
| explicit param_type(RealType a = 0, |
| RealType b = 1); |
| |
| result_type a() const; |
| result_type b() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit uniform_real_distribution(RealType a = 0.0, RealType b = 1.0); |
| explicit uniform_real_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type a() const; |
| result_type b() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const uniform_real_distribution& x, |
| const uniform_real_distribution& y); |
| friend bool operator!=(const uniform_real_distribution& x, |
| const uniform_real_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const uniform_real_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| uniform_real_distribution& x); |
| }; |
| |
| class bernoulli_distribution |
| { |
| public: |
| // types |
| typedef bool result_type; |
| |
| class param_type |
| { |
| public: |
| typedef bernoulli_distribution distribution_type; |
| |
| explicit param_type(double p = 0.5); |
| |
| double p() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit bernoulli_distribution(double p = 0.5); |
| explicit bernoulli_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| double p() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const bernoulli_distribution& x, |
| const bernoulli_distribution& y); |
| friend bool operator!=(const bernoulli_distribution& x, |
| const bernoulli_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const bernoulli_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| bernoulli_distribution& x); |
| }; |
| |
| template<class IntType = int> |
| class binomial_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef binomial_distribution distribution_type; |
| |
| explicit param_type(IntType t = 1, double p = 0.5); |
| |
| IntType t() const; |
| double p() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit binomial_distribution(IntType t = 1, double p = 0.5); |
| explicit binomial_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| IntType t() const; |
| double p() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const binomial_distribution& x, |
| const binomial_distribution& y); |
| friend bool operator!=(const binomial_distribution& x, |
| const binomial_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const binomial_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| binomial_distribution& x); |
| }; |
| |
| template<class IntType = int> |
| class geometric_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef geometric_distribution distribution_type; |
| |
| explicit param_type(double p = 0.5); |
| |
| double p() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit geometric_distribution(double p = 0.5); |
| explicit geometric_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| double p() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const geometric_distribution& x, |
| const geometric_distribution& y); |
| friend bool operator!=(const geometric_distribution& x, |
| const geometric_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const geometric_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| geometric_distribution& x); |
| }; |
| |
| template<class IntType = int> |
| class negative_binomial_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef negative_binomial_distribution distribution_type; |
| |
| explicit param_type(result_type k = 1, double p = 0.5); |
| |
| result_type k() const; |
| double p() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit negative_binomial_distribution(result_type k = 1, double p = 0.5); |
| explicit negative_binomial_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type k() const; |
| double p() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const negative_binomial_distribution& x, |
| const negative_binomial_distribution& y); |
| friend bool operator!=(const negative_binomial_distribution& x, |
| const negative_binomial_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const negative_binomial_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| negative_binomial_distribution& x); |
| }; |
| |
| template<class IntType = int> |
| class poisson_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef poisson_distribution distribution_type; |
| |
| explicit param_type(double mean = 1.0); |
| |
| double mean() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit poisson_distribution(double mean = 1.0); |
| explicit poisson_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| double mean() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const poisson_distribution& x, |
| const poisson_distribution& y); |
| friend bool operator!=(const poisson_distribution& x, |
| const poisson_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const poisson_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| poisson_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class exponential_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef exponential_distribution distribution_type; |
| |
| explicit param_type(result_type lambda = 1.0); |
| |
| result_type lambda() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit exponential_distribution(result_type lambda = 1.0); |
| explicit exponential_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type lambda() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const exponential_distribution& x, |
| const exponential_distribution& y); |
| friend bool operator!=(const exponential_distribution& x, |
| const exponential_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const exponential_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| exponential_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class gamma_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef gamma_distribution distribution_type; |
| |
| explicit param_type(result_type alpha = 1, result_type beta = 1); |
| |
| result_type alpha() const; |
| result_type beta() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit gamma_distribution(result_type alpha = 1, result_type beta = 1); |
| explicit gamma_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type alpha() const; |
| result_type beta() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const gamma_distribution& x, |
| const gamma_distribution& y); |
| friend bool operator!=(const gamma_distribution& x, |
| const gamma_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const gamma_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| gamma_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class weibull_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef weibull_distribution distribution_type; |
| |
| explicit param_type(result_type alpha = 1, result_type beta = 1); |
| |
| result_type a() const; |
| result_type b() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit weibull_distribution(result_type a = 1, result_type b = 1); |
| explicit weibull_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type a() const; |
| result_type b() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const weibull_distribution& x, |
| const weibull_distribution& y); |
| friend bool operator!=(const weibull_distribution& x, |
| const weibull_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const weibull_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| weibull_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class extreme_value_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef extreme_value_distribution distribution_type; |
| |
| explicit param_type(result_type a = 0, result_type b = 1); |
| |
| result_type a() const; |
| result_type b() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit extreme_value_distribution(result_type a = 0, result_type b = 1); |
| explicit extreme_value_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type a() const; |
| result_type b() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const extreme_value_distribution& x, |
| const extreme_value_distribution& y); |
| friend bool operator!=(const extreme_value_distribution& x, |
| const extreme_value_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const extreme_value_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| extreme_value_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class normal_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef normal_distribution distribution_type; |
| |
| explicit param_type(result_type mean = 0, result_type stddev = 1); |
| |
| result_type mean() const; |
| result_type stddev() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructors and reset functions |
| explicit normal_distribution(result_type mean = 0, result_type stddev = 1); |
| explicit normal_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type mean() const; |
| result_type stddev() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const normal_distribution& x, |
| const normal_distribution& y); |
| friend bool operator!=(const normal_distribution& x, |
| const normal_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const normal_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| normal_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class lognormal_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef lognormal_distribution distribution_type; |
| |
| explicit param_type(result_type m = 0, result_type s = 1); |
| |
| result_type m() const; |
| result_type s() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit lognormal_distribution(result_type m = 0, result_type s = 1); |
| explicit lognormal_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type m() const; |
| result_type s() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const lognormal_distribution& x, |
| const lognormal_distribution& y); |
| friend bool operator!=(const lognormal_distribution& x, |
| const lognormal_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const lognormal_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| lognormal_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class chi_squared_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef chi_squared_distribution distribution_type; |
| |
| explicit param_type(result_type n = 1); |
| |
| result_type n() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit chi_squared_distribution(result_type n = 1); |
| explicit chi_squared_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type n() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const chi_squared_distribution& x, |
| const chi_squared_distribution& y); |
| friend bool operator!=(const chi_squared_distribution& x, |
| const chi_squared_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const chi_squared_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| chi_squared_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class cauchy_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef cauchy_distribution distribution_type; |
| |
| explicit param_type(result_type a = 0, result_type b = 1); |
| |
| result_type a() const; |
| result_type b() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit cauchy_distribution(result_type a = 0, result_type b = 1); |
| explicit cauchy_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type a() const; |
| result_type b() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const cauchy_distribution& x, |
| const cauchy_distribution& y); |
| friend bool operator!=(const cauchy_distribution& x, |
| const cauchy_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const cauchy_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| cauchy_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class fisher_f_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef fisher_f_distribution distribution_type; |
| |
| explicit param_type(result_type m = 1, result_type n = 1); |
| |
| result_type m() const; |
| result_type n() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit fisher_f_distribution(result_type m = 1, result_type n = 1); |
| explicit fisher_f_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type m() const; |
| result_type n() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const fisher_f_distribution& x, |
| const fisher_f_distribution& y); |
| friend bool operator!=(const fisher_f_distribution& x, |
| const fisher_f_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const fisher_f_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| fisher_f_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class student_t_distribution |
| { |
| public: |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef student_t_distribution distribution_type; |
| |
| explicit param_type(result_type n = 1); |
| |
| result_type n() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| explicit student_t_distribution(result_type n = 1); |
| explicit student_t_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| result_type n() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const student_t_distribution& x, |
| const student_t_distribution& y); |
| friend bool operator!=(const student_t_distribution& x, |
| const student_t_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const student_t_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| student_t_distribution& x); |
| }; |
| |
| template<class IntType = int> |
| class discrete_distribution |
| { |
| public: |
| // types |
| typedef IntType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef discrete_distribution distribution_type; |
| |
| param_type(); |
| template<class InputIterator> |
| param_type(InputIterator firstW, InputIterator lastW); |
| param_type(initializer_list<double> wl); |
| template<class UnaryOperation> |
| param_type(size_t nw, double xmin, double xmax, UnaryOperation fw); |
| |
| vector<double> probabilities() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| discrete_distribution(); |
| template<class InputIterator> |
| discrete_distribution(InputIterator firstW, InputIterator lastW); |
| discrete_distribution(initializer_list<double> wl); |
| template<class UnaryOperation> |
| discrete_distribution(size_t nw, double xmin, double xmax, |
| UnaryOperation fw); |
| explicit discrete_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| vector<double> probabilities() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const discrete_distribution& x, |
| const discrete_distribution& y); |
| friend bool operator!=(const discrete_distribution& x, |
| const discrete_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const discrete_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| discrete_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class piecewise_constant_distribution |
| { |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef piecewise_constant_distribution distribution_type; |
| |
| param_type(); |
| template<class InputIteratorB, class InputIteratorW> |
| param_type(InputIteratorB firstB, InputIteratorB lastB, |
| InputIteratorW firstW); |
| template<class UnaryOperation> |
| param_type(initializer_list<result_type> bl, UnaryOperation fw); |
| template<class UnaryOperation> |
| param_type(size_t nw, result_type xmin, result_type xmax, |
| UnaryOperation fw); |
| |
| vector<result_type> intervals() const; |
| vector<result_type> densities() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| piecewise_constant_distribution(); |
| template<class InputIteratorB, class InputIteratorW> |
| piecewise_constant_distribution(InputIteratorB firstB, |
| InputIteratorB lastB, |
| InputIteratorW firstW); |
| template<class UnaryOperation> |
| piecewise_constant_distribution(initializer_list<result_type> bl, |
| UnaryOperation fw); |
| template<class UnaryOperation> |
| piecewise_constant_distribution(size_t nw, result_type xmin, |
| result_type xmax, UnaryOperation fw); |
| explicit piecewise_constant_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| vector<result_type> intervals() const; |
| vector<result_type> densities() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const piecewise_constant_distribution& x, |
| const piecewise_constant_distribution& y); |
| friend bool operator!=(const piecewise_constant_distribution& x, |
| const piecewise_constant_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const piecewise_constant_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| piecewise_constant_distribution& x); |
| }; |
| |
| template<class RealType = double> |
| class piecewise_linear_distribution |
| { |
| // types |
| typedef RealType result_type; |
| |
| class param_type |
| { |
| public: |
| typedef piecewise_linear_distribution distribution_type; |
| |
| param_type(); |
| template<class InputIteratorB, class InputIteratorW> |
| param_type(InputIteratorB firstB, InputIteratorB lastB, |
| InputIteratorW firstW); |
| template<class UnaryOperation> |
| param_type(initializer_list<result_type> bl, UnaryOperation fw); |
| template<class UnaryOperation> |
| param_type(size_t nw, result_type xmin, result_type xmax, |
| UnaryOperation fw); |
| |
| vector<result_type> intervals() const; |
| vector<result_type> densities() const; |
| |
| friend bool operator==(const param_type& x, const param_type& y); |
| friend bool operator!=(const param_type& x, const param_type& y); |
| }; |
| |
| // constructor and reset functions |
| piecewise_linear_distribution(); |
| template<class InputIteratorB, class InputIteratorW> |
| piecewise_linear_distribution(InputIteratorB firstB, |
| InputIteratorB lastB, |
| InputIteratorW firstW); |
| |
| template<class UnaryOperation> |
| piecewise_linear_distribution(initializer_list<result_type> bl, |
| UnaryOperation fw); |
| |
| template<class UnaryOperation> |
| piecewise_linear_distribution(size_t nw, result_type xmin, |
| result_type xmax, UnaryOperation fw); |
| |
| explicit piecewise_linear_distribution(const param_type& parm); |
| void reset(); |
| |
| // generating functions |
| template<class URNG> result_type operator()(URNG& g); |
| template<class URNG> result_type operator()(URNG& g, const param_type& parm); |
| |
| // property functions |
| vector<result_type> intervals() const; |
| vector<result_type> densities() const; |
| |
| param_type param() const; |
| void param(const param_type& parm); |
| |
| result_type min() const; |
| result_type max() const; |
| |
| friend bool operator==(const piecewise_linear_distribution& x, |
| const piecewise_linear_distribution& y); |
| friend bool operator!=(const piecewise_linear_distribution& x, |
| const piecewise_linear_distribution& y); |
| |
| template <class charT, class traits> |
| friend |
| basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, |
| const piecewise_linear_distribution& x); |
| |
| template <class charT, class traits> |
| friend |
| basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, |
| piecewise_linear_distribution& x); |
| }; |
| |
| } // std |
| */ |
| |
| #include <__config> |
| #include <cstddef> |
| #include <type_traits> |
| #include <initializer_list> |
| #include <cstdint> |
| #include <limits> |
| #include <algorithm> |
| #include <numeric> |
| #include <vector> |
| #include <string> |
| #include <istream> |
| #include <ostream> |
| #include <cmath> |
| |
| #include <__undef_min_max> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| // __is_seed_sequence |
| |
| template <class _Sseq, class _Engine> |
| struct __is_seed_sequence |
| { |
| static _LIBCPP_CONSTEXPR const bool value = |
| !is_convertible<_Sseq, typename _Engine::result_type>::value && |
| !is_same<typename remove_cv<_Sseq>::type, _Engine>::value; |
| }; |
| |
| // linear_congruential_engine |
| |
| template <unsigned long long __a, unsigned long long __c, |
| unsigned long long __m, unsigned long long _Mp, |
| bool _MightOverflow = (__a != 0 && __m != 0 && __m-1 > (_Mp-__c)/__a)> |
| struct __lce_ta; |
| |
| // 64 |
| |
| template <unsigned long long __a, unsigned long long __c, unsigned long long __m> |
| struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), true> |
| { |
| typedef unsigned long long result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| // Schrage's algorithm |
| const result_type __q = __m / __a; |
| const result_type __r = __m % __a; |
| const result_type __t0 = __a * (__x % __q); |
| const result_type __t1 = __r * (__x / __q); |
| __x = __t0 + (__t0 < __t1) * __m - __t1; |
| __x += __c - (__x >= __m - __c) * __m; |
| return __x; |
| } |
| }; |
| |
| template <unsigned long long __a, unsigned long long __m> |
| struct __lce_ta<__a, 0, __m, (unsigned long long)(~0), true> |
| { |
| typedef unsigned long long result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| // Schrage's algorithm |
| const result_type __q = __m / __a; |
| const result_type __r = __m % __a; |
| const result_type __t0 = __a * (__x % __q); |
| const result_type __t1 = __r * (__x / __q); |
| __x = __t0 + (__t0 < __t1) * __m - __t1; |
| return __x; |
| } |
| }; |
| |
| template <unsigned long long __a, unsigned long long __c, unsigned long long __m> |
| struct __lce_ta<__a, __c, __m, (unsigned long long)(~0), false> |
| { |
| typedef unsigned long long result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| return (__a * __x + __c) % __m; |
| } |
| }; |
| |
| template <unsigned long long __a, unsigned long long __c> |
| struct __lce_ta<__a, __c, 0, (unsigned long long)(~0), false> |
| { |
| typedef unsigned long long result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| return __a * __x + __c; |
| } |
| }; |
| |
| // 32 |
| |
| template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> |
| struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), true> |
| { |
| typedef unsigned result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| const result_type __a = static_cast<result_type>(_Ap); |
| const result_type __c = static_cast<result_type>(_Cp); |
| const result_type __m = static_cast<result_type>(_Mp); |
| // Schrage's algorithm |
| const result_type __q = __m / __a; |
| const result_type __r = __m % __a; |
| const result_type __t0 = __a * (__x % __q); |
| const result_type __t1 = __r * (__x / __q); |
| __x = __t0 + (__t0 < __t1) * __m - __t1; |
| __x += __c - (__x >= __m - __c) * __m; |
| return __x; |
| } |
| }; |
| |
| template <unsigned long long _Ap, unsigned long long _Mp> |
| struct __lce_ta<_Ap, 0, _Mp, unsigned(~0), true> |
| { |
| typedef unsigned result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| const result_type __a = static_cast<result_type>(_Ap); |
| const result_type __m = static_cast<result_type>(_Mp); |
| // Schrage's algorithm |
| const result_type __q = __m / __a; |
| const result_type __r = __m % __a; |
| const result_type __t0 = __a * (__x % __q); |
| const result_type __t1 = __r * (__x / __q); |
| __x = __t0 + (__t0 < __t1) * __m - __t1; |
| return __x; |
| } |
| }; |
| |
| template <unsigned long long _Ap, unsigned long long _Cp, unsigned long long _Mp> |
| struct __lce_ta<_Ap, _Cp, _Mp, unsigned(~0), false> |
| { |
| typedef unsigned result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| const result_type __a = static_cast<result_type>(_Ap); |
| const result_type __c = static_cast<result_type>(_Cp); |
| const result_type __m = static_cast<result_type>(_Mp); |
| return (__a * __x + __c) % __m; |
| } |
| }; |
| |
| template <unsigned long long _Ap, unsigned long long _Cp> |
| struct __lce_ta<_Ap, _Cp, 0, unsigned(~0), false> |
| { |
| typedef unsigned result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| const result_type __a = static_cast<result_type>(_Ap); |
| const result_type __c = static_cast<result_type>(_Cp); |
| return __a * __x + __c; |
| } |
| }; |
| |
| // 16 |
| |
| template <unsigned long long __a, unsigned long long __c, unsigned long long __m, bool __b> |
| struct __lce_ta<__a, __c, __m, (unsigned short)(~0), __b> |
| { |
| typedef unsigned short result_type; |
| _LIBCPP_INLINE_VISIBILITY |
| static result_type next(result_type __x) |
| { |
| return static_cast<result_type>(__lce_ta<__a, __c, __m, unsigned(~0)>::next(__x)); |
| } |
| }; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| class _LIBCPP_TYPE_VIS_ONLY linear_congruential_engine; |
| |
| template <class _CharT, class _Traits, |
| class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
| _LIBCPP_INLINE_VISIBILITY |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); |
| |
| template <class _CharT, class _Traits, |
| class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| class _LIBCPP_TYPE_VIS_ONLY linear_congruential_engine |
| { |
| public: |
| // types |
| typedef _UIntType result_type; |
| |
| private: |
| result_type __x_; |
| |
| static _LIBCPP_CONSTEXPR const result_type _Mp = result_type(~0); |
| |
| static_assert(__m == 0 || __a < __m, "linear_congruential_engine invalid parameters"); |
| static_assert(__m == 0 || __c < __m, "linear_congruential_engine invalid parameters"); |
| public: |
| static _LIBCPP_CONSTEXPR const result_type _Min = __c == 0u ? 1u: 0u; |
| static _LIBCPP_CONSTEXPR const result_type _Max = __m - 1u; |
| static_assert(_Min < _Max, "linear_congruential_engine invalid parameters"); |
| |
| // engine characteristics |
| static _LIBCPP_CONSTEXPR const result_type multiplier = __a; |
| static _LIBCPP_CONSTEXPR const result_type increment = __c; |
| static _LIBCPP_CONSTEXPR const result_type modulus = __m; |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type min() {return _Min;} |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type max() {return _Max;} |
| static _LIBCPP_CONSTEXPR const result_type default_seed = 1u; |
| |
| // constructors and seeding functions |
| _LIBCPP_INLINE_VISIBILITY |
| explicit linear_congruential_engine(result_type __s = default_seed) |
| {seed(__s);} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| explicit linear_congruential_engine(_Sseq& __q, |
| typename enable_if<__is_seed_sequence<_Sseq, linear_congruential_engine>::value>::type* = 0) |
| {seed(__q);} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(result_type __s = default_seed) |
| {seed(integral_constant<bool, __m == 0>(), |
| integral_constant<bool, __c == 0>(), __s);} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| typename enable_if |
| < |
| __is_seed_sequence<_Sseq, linear_congruential_engine>::value, |
| void |
| >::type |
| seed(_Sseq& __q) |
| {__seed(__q, integral_constant<unsigned, |
| 1 + (__m == 0 ? (sizeof(result_type) * __CHAR_BIT__ - 1)/32 |
| : (__m > 0x100000000ull))>());} |
| |
| // generating functions |
| _LIBCPP_INLINE_VISIBILITY |
| result_type operator()() |
| {return __x_ = static_cast<result_type>(__lce_ta<__a, __c, __m, _Mp>::next(__x_));} |
| _LIBCPP_INLINE_VISIBILITY |
| void discard(unsigned long long __z) {for (; __z; --__z) operator()();} |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const linear_congruential_engine& __x, |
| const linear_congruential_engine& __y) |
| {return __x.__x_ == __y.__x_;} |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const linear_congruential_engine& __x, |
| const linear_congruential_engine& __y) |
| {return !(__x == __y);} |
| |
| private: |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(true_type, true_type, result_type __s) {__x_ = __s == 0 ? 1 : __s;} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(true_type, false_type, result_type __s) {__x_ = __s;} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(false_type, true_type, result_type __s) {__x_ = __s % __m == 0 ? |
| 1 : __s % __m;} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(false_type, false_type, result_type __s) {__x_ = __s % __m;} |
| |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
| |
| template <class _CharT, class _Traits, |
| class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
| friend |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const linear_congruential_engine<_Up, _Ap, _Cp, _Np>&); |
| |
| template <class _CharT, class _Traits, |
| class _Up, _Up _Ap, _Up _Cp, _Up _Np> |
| friend |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x); |
| }; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
| linear_congruential_engine<_UIntType, __a, __c, __m>::multiplier; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
| linear_congruential_engine<_UIntType, __a, __c, __m>::increment; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
| linear_congruential_engine<_UIntType, __a, __c, __m>::modulus; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type |
| linear_congruential_engine<_UIntType, __a, __c, __m>::default_seed; |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| template<class _Sseq> |
| void |
| linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, |
| integral_constant<unsigned, 1>) |
| { |
| const unsigned __k = 1; |
| uint32_t __ar[__k+3]; |
| __q.generate(__ar, __ar + __k + 3); |
| result_type __s = static_cast<result_type>(__ar[3] % __m); |
| __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; |
| } |
| |
| template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| template<class _Sseq> |
| void |
| linear_congruential_engine<_UIntType, __a, __c, __m>::__seed(_Sseq& __q, |
| integral_constant<unsigned, 2>) |
| { |
| const unsigned __k = 2; |
| uint32_t __ar[__k+3]; |
| __q.generate(__ar, __ar + __k + 3); |
| result_type __s = static_cast<result_type>((__ar[3] + |
| ((uint64_t)__ar[4] << 32)) % __m); |
| __x_ = __c == 0 && __s == 0 ? result_type(1) : __s; |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| inline _LIBCPP_INLINE_VISIBILITY |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const linear_congruential_engine<_UIntType, __a, __c, __m>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__os); |
| __os.flags(ios_base::dec | ios_base::left); |
| __os.fill(__os.widen(' ')); |
| return __os << __x.__x_; |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| linear_congruential_engine<_UIntType, __a, __c, __m>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__is); |
| __is.flags(ios_base::dec | ios_base::skipws); |
| _UIntType __t; |
| __is >> __t; |
| if (!__is.fail()) |
| __x.__x_ = __t; |
| return __is; |
| } |
| |
| typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647> |
| minstd_rand0; |
| typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647> |
| minstd_rand; |
| typedef minstd_rand default_random_engine; |
| // mersenne_twister_engine |
| |
| template <class _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> |
| class _LIBCPP_TYPE_VIS_ONLY mersenne_twister_engine; |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| bool |
| operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
| |
| template <class _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> |
| class _LIBCPP_TYPE_VIS_ONLY mersenne_twister_engine |
| { |
| public: |
| // types |
| typedef _UIntType result_type; |
| |
| private: |
| result_type __x_[__n]; |
| size_t __i_; |
| |
| static_assert( 0 < __m, "mersenne_twister_engine invalid parameters"); |
| static_assert(__m <= __n, "mersenne_twister_engine invalid parameters"); |
| static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
| static_assert(__w <= _Dt, "mersenne_twister_engine invalid parameters"); |
| static_assert( 2 <= __w, "mersenne_twister_engine invalid parameters"); |
| static_assert(__r <= __w, "mersenne_twister_engine invalid parameters"); |
| static_assert(__u <= __w, "mersenne_twister_engine invalid parameters"); |
| static_assert(__s <= __w, "mersenne_twister_engine invalid parameters"); |
| static_assert(__t <= __w, "mersenne_twister_engine invalid parameters"); |
| static_assert(__l <= __w, "mersenne_twister_engine invalid parameters"); |
| public: |
| static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
| static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : |
| (result_type(1) << __w) - result_type(1); |
| static_assert(_Min < _Max, "mersenne_twister_engine invalid parameters"); |
| static_assert(__a <= _Max, "mersenne_twister_engine invalid parameters"); |
| static_assert(__b <= _Max, "mersenne_twister_engine invalid parameters"); |
| static_assert(__c <= _Max, "mersenne_twister_engine invalid parameters"); |
| static_assert(__d <= _Max, "mersenne_twister_engine invalid parameters"); |
| static_assert(__f <= _Max, "mersenne_twister_engine invalid parameters"); |
| |
| // engine characteristics |
| static _LIBCPP_CONSTEXPR const size_t word_size = __w; |
| static _LIBCPP_CONSTEXPR const size_t state_size = __n; |
| static _LIBCPP_CONSTEXPR const size_t shift_size = __m; |
| static _LIBCPP_CONSTEXPR const size_t mask_bits = __r; |
| static _LIBCPP_CONSTEXPR const result_type xor_mask = __a; |
| static _LIBCPP_CONSTEXPR const size_t tempering_u = __u; |
| static _LIBCPP_CONSTEXPR const result_type tempering_d = __d; |
| static _LIBCPP_CONSTEXPR const size_t tempering_s = __s; |
| static _LIBCPP_CONSTEXPR const result_type tempering_b = __b; |
| static _LIBCPP_CONSTEXPR const size_t tempering_t = __t; |
| static _LIBCPP_CONSTEXPR const result_type tempering_c = __c; |
| static _LIBCPP_CONSTEXPR const size_t tempering_l = __l; |
| static _LIBCPP_CONSTEXPR const result_type initialization_multiplier = __f; |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type min() { return _Min; } |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type max() { return _Max; } |
| static _LIBCPP_CONSTEXPR const result_type default_seed = 5489u; |
| |
| // constructors and seeding functions |
| _LIBCPP_INLINE_VISIBILITY |
| explicit mersenne_twister_engine(result_type __sd = default_seed) |
| {seed(__sd);} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| explicit mersenne_twister_engine(_Sseq& __q, |
| typename enable_if<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value>::type* = 0) |
| {seed(__q);} |
| void seed(result_type __sd = default_seed); |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| typename enable_if |
| < |
| __is_seed_sequence<_Sseq, mersenne_twister_engine>::value, |
| void |
| >::type |
| seed(_Sseq& __q) |
| {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());} |
| |
| // generating functions |
| result_type operator()(); |
| _LIBCPP_INLINE_VISIBILITY |
| void discard(unsigned long long __z) {for (; __z; --__z) operator()();} |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| friend |
| bool |
| operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| friend |
| bool |
| operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| friend |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| friend |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x); |
| private: |
| |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
| |
| template <size_t __count> |
| _LIBCPP_INLINE_VISIBILITY |
| static |
| typename enable_if |
| < |
| __count < __w, |
| result_type |
| >::type |
| __lshift(result_type __x) {return (__x << __count) & _Max;} |
| |
| template <size_t __count> |
| _LIBCPP_INLINE_VISIBILITY |
| static |
| typename enable_if |
| < |
| (__count >= __w), |
| result_type |
| >::type |
| __lshift(result_type) {return result_type(0);} |
| |
| template <size_t __count> |
| _LIBCPP_INLINE_VISIBILITY |
| static |
| typename enable_if |
| < |
| __count < _Dt, |
| result_type |
| >::type |
| __rshift(result_type __x) {return __x >> __count;} |
| |
| template <size_t __count> |
| _LIBCPP_INLINE_VISIBILITY |
| static |
| typename enable_if |
| < |
| (__count >= _Dt), |
| result_type |
| >::type |
| __rshift(result_type) {return result_type(0);} |
| }; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::word_size; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::state_size; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::shift_size; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::mask_bits; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::xor_mask; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_u; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_d; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_s; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_b; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_t; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_c; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const size_t |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_l; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::initialization_multiplier; |
| |
| template <class _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> |
| _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::default_seed; |
| |
| template <class _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> |
| void |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
| __t, __c, __l, __f>::seed(result_type __sd) |
| { // __w >= 2 |
| __x_[0] = __sd & _Max; |
| for (size_t __i = 1; __i < __n; ++__i) |
| __x_[__i] = (__f * (__x_[__i-1] ^ __rshift<__w - 2>(__x_[__i-1])) + __i) & _Max; |
| __i_ = 0; |
| } |
| |
| template <class _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> |
| template<class _Sseq> |
| void |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
| __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 1>) |
| { |
| const unsigned __k = 1; |
| uint32_t __ar[__n * __k]; |
| __q.generate(__ar, __ar + __n * __k); |
| for (size_t __i = 0; __i < __n; ++__i) |
| __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); |
| const result_type __mask = __r == _Dt ? result_type(~0) : |
| (result_type(1) << __r) - result_type(1); |
| __i_ = 0; |
| if ((__x_[0] & ~__mask) == 0) |
| { |
| for (size_t __i = 1; __i < __n; ++__i) |
| if (__x_[__i] != 0) |
| return; |
| __x_[0] = _Max; |
| } |
| } |
| |
| template <class _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> |
| template<class _Sseq> |
| void |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
| __t, __c, __l, __f>::__seed(_Sseq& __q, integral_constant<unsigned, 2>) |
| { |
| const unsigned __k = 2; |
| uint32_t __ar[__n * __k]; |
| __q.generate(__ar, __ar + __n * __k); |
| for (size_t __i = 0; __i < __n; ++__i) |
| __x_[__i] = static_cast<result_type>( |
| (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); |
| const result_type __mask = __r == _Dt ? result_type(~0) : |
| (result_type(1) << __r) - result_type(1); |
| __i_ = 0; |
| if ((__x_[0] & ~__mask) == 0) |
| { |
| for (size_t __i = 1; __i < __n; ++__i) |
| if (__x_[__i] != 0) |
| return; |
| __x_[0] = _Max; |
| } |
| } |
| |
| template <class _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> |
| _UIntType |
| mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, |
| __t, __c, __l, __f>::operator()() |
| { |
| const size_t __j = (__i_ + 1) % __n; |
| const result_type __mask = __r == _Dt ? result_type(~0) : |
| (result_type(1) << __r) - result_type(1); |
| const result_type _Yp = (__x_[__i_] & ~__mask) | (__x_[__j] & __mask); |
| const size_t __k = (__i_ + __m) % __n; |
| __x_[__i_] = __x_[__k] ^ __rshift<1>(_Yp) ^ (__a * (_Yp & 1)); |
| result_type __z = __x_[__i_] ^ (__rshift<__u>(__x_[__i_]) & __d); |
| __i_ = __j; |
| __z ^= __lshift<__s>(__z) & __b; |
| __z ^= __lshift<__t>(__z) & __c; |
| return __z ^ __rshift<__l>(__z); |
| } |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| bool |
| operator==(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y) |
| { |
| if (__x.__i_ == __y.__i_) |
| return _VSTD::equal(__x.__x_, __x.__x_ + _Np, __y.__x_); |
| if (__x.__i_ == 0 || __y.__i_ == 0) |
| { |
| size_t __j = _VSTD::min(_Np - __x.__i_, _Np - __y.__i_); |
| if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, |
| __y.__x_ + __y.__i_)) |
| return false; |
| if (__x.__i_ == 0) |
| return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _Np, __y.__x_); |
| return _VSTD::equal(__x.__x_, __x.__x_ + (_Np - __j), __y.__x_ + __j); |
| } |
| if (__x.__i_ < __y.__i_) |
| { |
| size_t __j = _Np - __y.__i_; |
| if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), |
| __y.__x_ + __y.__i_)) |
| return false; |
| if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Np, |
| __y.__x_)) |
| return false; |
| return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_, |
| __y.__x_ + (_Np - (__x.__i_ + __j))); |
| } |
| size_t __j = _Np - __x.__i_; |
| if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), |
| __x.__x_ + __x.__i_)) |
| return false; |
| if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Np, |
| __x.__x_)) |
| return false; |
| return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_, |
| __x.__x_ + (_Np - (__y.__i_ + __j))); |
| } |
| |
| template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__os); |
| __os.flags(ios_base::dec | ios_base::left); |
| _CharT __sp = __os.widen(' '); |
| __os.fill(__sp); |
| __os << __x.__x_[__x.__i_]; |
| for (size_t __j = __x.__i_ + 1; __j < _Np; ++__j) |
| __os << __sp << __x.__x_[__j]; |
| for (size_t __j = 0; __j < __x.__i_; ++__j) |
| __os << __sp << __x.__x_[__j]; |
| return __os; |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp, |
| _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp, |
| _UI _Bp, size_t _Tp, _UI _Cp, size_t _Lp, _UI _Fp> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| mersenne_twister_engine<_UI, _Wp, _Np, _Mp, _Rp, _Ap, _Up, _Dp, _Sp, |
| _Bp, _Tp, _Cp, _Lp, _Fp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__is); |
| __is.flags(ios_base::dec | ios_base::skipws); |
| _UI __t[_Np]; |
| for (size_t __i = 0; __i < _Np; ++__i) |
| __is >> __t[__i]; |
| if (!__is.fail()) |
| { |
| for (size_t __i = 0; __i < _Np; ++__i) |
| __x.__x_[__i] = __t[__i]; |
| __x.__i_ = 0; |
| } |
| return __is; |
| } |
| |
| typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31, |
| 0x9908b0df, 11, 0xffffffff, |
| 7, 0x9d2c5680, |
| 15, 0xefc60000, |
| 18, 1812433253> mt19937; |
| typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31, |
| 0xb5026f5aa96619e9ULL, 29, 0x5555555555555555ULL, |
| 17, 0x71d67fffeda60000ULL, |
| 37, 0xfff7eee000000000ULL, |
| 43, 6364136223846793005ULL> mt19937_64; |
| |
| // subtract_with_carry_engine |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| class _LIBCPP_TYPE_VIS_ONLY subtract_with_carry_engine; |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| bool |
| operator==( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| class _LIBCPP_TYPE_VIS_ONLY subtract_with_carry_engine |
| { |
| public: |
| // types |
| typedef _UIntType result_type; |
| |
| private: |
| result_type __x_[__r]; |
| result_type __c_; |
| size_t __i_; |
| |
| static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
| static_assert( 0 < __w, "subtract_with_carry_engine invalid parameters"); |
| static_assert(__w <= _Dt, "subtract_with_carry_engine invalid parameters"); |
| static_assert( 0 < __s, "subtract_with_carry_engine invalid parameters"); |
| static_assert(__s < __r, "subtract_with_carry_engine invalid parameters"); |
| public: |
| static _LIBCPP_CONSTEXPR const result_type _Min = 0; |
| static _LIBCPP_CONSTEXPR const result_type _Max = __w == _Dt ? result_type(~0) : |
| (result_type(1) << __w) - result_type(1); |
| static_assert(_Min < _Max, "subtract_with_carry_engine invalid parameters"); |
| |
| // engine characteristics |
| static _LIBCPP_CONSTEXPR const size_t word_size = __w; |
| static _LIBCPP_CONSTEXPR const size_t short_lag = __s; |
| static _LIBCPP_CONSTEXPR const size_t long_lag = __r; |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type min() { return _Min; } |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type max() { return _Max; } |
| static _LIBCPP_CONSTEXPR const result_type default_seed = 19780503u; |
| |
| // constructors and seeding functions |
| _LIBCPP_INLINE_VISIBILITY |
| explicit subtract_with_carry_engine(result_type __sd = default_seed) |
| {seed(__sd);} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| explicit subtract_with_carry_engine(_Sseq& __q, |
| typename enable_if<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value>::type* = 0) |
| {seed(__q);} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(result_type __sd = default_seed) |
| {seed(__sd, integral_constant<unsigned, 1 + (__w - 1) / 32>());} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| typename enable_if |
| < |
| __is_seed_sequence<_Sseq, subtract_with_carry_engine>::value, |
| void |
| >::type |
| seed(_Sseq& __q) |
| {__seed(__q, integral_constant<unsigned, 1 + (__w - 1) / 32>());} |
| |
| // generating functions |
| result_type operator()(); |
| _LIBCPP_INLINE_VISIBILITY |
| void discard(unsigned long long __z) {for (; __z; --__z) operator()();} |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| friend |
| bool |
| operator==( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| friend |
| bool |
| operator!=( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| friend |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| friend |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x); |
| |
| private: |
| |
| void seed(result_type __sd, integral_constant<unsigned, 1>); |
| void seed(result_type __sd, integral_constant<unsigned, 2>); |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 1>); |
| template<class _Sseq> |
| void __seed(_Sseq& __q, integral_constant<unsigned, 2>); |
| }; |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::word_size; |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::short_lag; |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::long_lag; |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| _LIBCPP_CONSTEXPR const typename subtract_with_carry_engine<_UIntType, __w, __s, __r>::result_type |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::default_seed; |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| void |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, |
| integral_constant<unsigned, 1>) |
| { |
| linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> |
| __e(__sd == 0u ? default_seed : __sd); |
| for (size_t __i = 0; __i < __r; ++__i) |
| __x_[__i] = static_cast<result_type>(__e() & _Max); |
| __c_ = __x_[__r-1] == 0; |
| __i_ = 0; |
| } |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| void |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd, |
| integral_constant<unsigned, 2>) |
| { |
| linear_congruential_engine<result_type, 40014u, 0u, 2147483563u> |
| __e(__sd == 0u ? default_seed : __sd); |
| for (size_t __i = 0; __i < __r; ++__i) |
| { |
| result_type __e0 = __e(); |
| __x_[__i] = static_cast<result_type>( |
| (__e0 + ((uint64_t)__e() << 32)) & _Max); |
| } |
| __c_ = __x_[__r-1] == 0; |
| __i_ = 0; |
| } |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| template<class _Sseq> |
| void |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, |
| integral_constant<unsigned, 1>) |
| { |
| const unsigned __k = 1; |
| uint32_t __ar[__r * __k]; |
| __q.generate(__ar, __ar + __r * __k); |
| for (size_t __i = 0; __i < __r; ++__i) |
| __x_[__i] = static_cast<result_type>(__ar[__i] & _Max); |
| __c_ = __x_[__r-1] == 0; |
| __i_ = 0; |
| } |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| template<class _Sseq> |
| void |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::__seed(_Sseq& __q, |
| integral_constant<unsigned, 2>) |
| { |
| const unsigned __k = 2; |
| uint32_t __ar[__r * __k]; |
| __q.generate(__ar, __ar + __r * __k); |
| for (size_t __i = 0; __i < __r; ++__i) |
| __x_[__i] = static_cast<result_type>( |
| (__ar[2 * __i] + ((uint64_t)__ar[2 * __i + 1] << 32)) & _Max); |
| __c_ = __x_[__r-1] == 0; |
| __i_ = 0; |
| } |
| |
| template<class _UIntType, size_t __w, size_t __s, size_t __r> |
| _UIntType |
| subtract_with_carry_engine<_UIntType, __w, __s, __r>::operator()() |
| { |
| const result_type& __xs = __x_[(__i_ + (__r - __s)) % __r]; |
| result_type& __xr = __x_[__i_]; |
| result_type __new_c = __c_ == 0 ? __xs < __xr : __xs != 0 ? __xs <= __xr : 1; |
| __xr = (__xs - __xr - __c_) & _Max; |
| __c_ = __new_c; |
| __i_ = (__i_ + 1) % __r; |
| return __xr; |
| } |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| bool |
| operator==( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y) |
| { |
| if (__x.__c_ != __y.__c_) |
| return false; |
| if (__x.__i_ == __y.__i_) |
| return _VSTD::equal(__x.__x_, __x.__x_ + _Rp, __y.__x_); |
| if (__x.__i_ == 0 || __y.__i_ == 0) |
| { |
| size_t __j = _VSTD::min(_Rp - __x.__i_, _Rp - __y.__i_); |
| if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j, |
| __y.__x_ + __y.__i_)) |
| return false; |
| if (__x.__i_ == 0) |
| return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _Rp, __y.__x_); |
| return _VSTD::equal(__x.__x_, __x.__x_ + (_Rp - __j), __y.__x_ + __j); |
| } |
| if (__x.__i_ < __y.__i_) |
| { |
| size_t __j = _Rp - __y.__i_; |
| if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j), |
| __y.__x_ + __y.__i_)) |
| return false; |
| if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _Rp, |
| __y.__x_)) |
| return false; |
| return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_, |
| __y.__x_ + (_Rp - (__x.__i_ + __j))); |
| } |
| size_t __j = _Rp - __x.__i_; |
| if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j), |
| __x.__x_ + __x.__i_)) |
| return false; |
| if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _Rp, |
| __x.__x_)) |
| return false; |
| return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_, |
| __x.__x_ + (_Rp - (__y.__i_ + __j))); |
| } |
| |
| template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=( |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__os); |
| __os.flags(ios_base::dec | ios_base::left); |
| _CharT __sp = __os.widen(' '); |
| __os.fill(__sp); |
| __os << __x.__x_[__x.__i_]; |
| for (size_t __j = __x.__i_ + 1; __j < _Rp; ++__j) |
| __os << __sp << __x.__x_[__j]; |
| for (size_t __j = 0; __j < __x.__i_; ++__j) |
| __os << __sp << __x.__x_[__j]; |
| __os << __sp << __x.__c_; |
| return __os; |
| } |
| |
| template <class _CharT, class _Traits, |
| class _UI, size_t _Wp, size_t _Sp, size_t _Rp> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__is); |
| __is.flags(ios_base::dec | ios_base::skipws); |
| _UI __t[_Rp+1]; |
| for (size_t __i = 0; __i < _Rp+1; ++__i) |
| __is >> __t[__i]; |
| if (!__is.fail()) |
| { |
| for (size_t __i = 0; __i < _Rp; ++__i) |
| __x.__x_[__i] = __t[__i]; |
| __x.__c_ = __t[_Rp]; |
| __x.__i_ = 0; |
| } |
| return __is; |
| } |
| |
| typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base; |
| typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base; |
| |
| // discard_block_engine |
| |
| template<class _Engine, size_t __p, size_t __r> |
| class _LIBCPP_TYPE_VIS_ONLY discard_block_engine |
| { |
| _Engine __e_; |
| int __n_; |
| |
| static_assert( 0 < __r, "discard_block_engine invalid parameters"); |
| static_assert(__r <= __p, "discard_block_engine invalid parameters"); |
| public: |
| // types |
| typedef typename _Engine::result_type result_type; |
| |
| // engine characteristics |
| static _LIBCPP_CONSTEXPR const size_t block_size = __p; |
| static _LIBCPP_CONSTEXPR const size_t used_block = __r; |
| |
| #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
| static const result_type _Min = _Engine::_Min; |
| static const result_type _Max = _Engine::_Max; |
| #else |
| static _LIBCPP_CONSTEXPR const result_type _Min = _Engine::min(); |
| static _LIBCPP_CONSTEXPR const result_type _Max = _Engine::max(); |
| #endif |
| |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type min() { return _Engine::min(); } |
| _LIBCPP_INLINE_VISIBILITY |
| static _LIBCPP_CONSTEXPR result_type max() { return _Engine::max(); } |
| |
| // constructors and seeding functions |
| _LIBCPP_INLINE_VISIBILITY |
| discard_block_engine() : __n_(0) {} |
| _LIBCPP_INLINE_VISIBILITY |
| explicit discard_block_engine(const _Engine& __e) |
| : __e_(__e), __n_(0) {} |
| #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| _LIBCPP_INLINE_VISIBILITY |
| explicit discard_block_engine(_Engine&& __e) |
| : __e_(_VSTD::move(__e)), __n_(0) {} |
| #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
| _LIBCPP_INLINE_VISIBILITY |
| explicit discard_block_engine(result_type __sd) : __e_(__sd), __n_(0) {} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| explicit discard_block_engine(_Sseq& __q, |
| typename enable_if<__is_seed_sequence<_Sseq, discard_block_engine>::value && |
| !is_convertible<_Sseq, _Engine>::value>::type* = 0) |
| : __e_(__q), __n_(0) {} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed() {__e_.seed(); __n_ = 0;} |
| _LIBCPP_INLINE_VISIBILITY |
| void seed(result_type __sd) {__e_.seed(__sd); __n_ = 0;} |
| template<class _Sseq> |
| _LIBCPP_INLINE_VISIBILITY |
| typename enable_if |
| < |
| __is_seed_sequence<_Sseq, discard_block_engine>::value, |
| void |
| >::type |
| seed(_Sseq& __q) {__e_.seed(__q); __n_ = 0;} |
| |
| // generating functions |
| result_type operator()(); |
| _LIBCPP_INLINE_VISIBILITY |
| void discard(unsigned long long __z) {for (; __z; --__z) operator()();} |
| |
| // property functions |
| _LIBCPP_INLINE_VISIBILITY |
| const _Engine& base() const _NOEXCEPT {return __e_;} |
| |
| template<class _Eng, size_t _Pp, size_t _Rp> |
| friend |
| bool |
| operator==( |
| const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __y); |
| |
| template<class _Eng, size_t _Pp, size_t _Rp> |
| friend |
| bool |
| operator!=( |
| const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __y); |
| |
| template <class _CharT, class _Traits, |
| class _Eng, size_t _Pp, size_t _Rp> |
| friend |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __x); |
| |
| template <class _CharT, class _Traits, |
| class _Eng, size_t _Pp, size_t _Rp> |
| friend |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| discard_block_engine<_Eng, _Pp, _Rp>& __x); |
| }; |
| |
| template<class _Engine, size_t __p, size_t __r> |
| _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::block_size; |
| |
| template<class _Engine, size_t __p, size_t __r> |
| _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::used_block; |
| |
| template<class _Engine, size_t __p, size_t __r> |
| typename discard_block_engine<_Engine, __p, __r>::result_type |
| discard_block_engine<_Engine, __p, __r>::operator()() |
| { |
| if (__n_ >= __r) |
| { |
| __e_.discard(__p - __r); |
| __n_ = 0; |
| } |
| ++__n_; |
| return __e_(); |
| } |
| |
| template<class _Eng, size_t _Pp, size_t _Rp> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator==(const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __y) |
| { |
| return __x.__n_ == __y.__n_ && __x.__e_ == __y.__e_; |
| } |
| |
| template<class _Eng, size_t _Pp, size_t _Rp> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const discard_block_engine<_Eng, _Pp, _Rp>& __x, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _CharT, class _Traits, |
| class _Eng, size_t _Pp, size_t _Rp> |
| basic_ostream<_CharT, _Traits>& |
| operator<<(basic_ostream<_CharT, _Traits>& __os, |
| const discard_block_engine<_Eng, _Pp, _Rp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__os); |
| __os.flags(ios_base::dec | ios_base::left); |
| _CharT __sp = __os.widen(' '); |
| __os.fill(__sp); |
| return __os << __x.__e_ << __sp << __x.__n_; |
| } |
| |
| template <class _CharT, class _Traits, |
| class _Eng, size_t _Pp, size_t _Rp> |
| basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, |
| discard_block_engine<_Eng, _Pp, _Rp>& __x) |
| { |
| __save_flags<_CharT, _Traits> __lx(__is); |
| __is.flags(ios_base::dec | ios_base::skipws); |
| _Eng __e; |
| int __n; |
| __is >> __e >> __n; |
| if (!__is.fail()) |
| { |
| __x.__e_ = __e; |
| __x.__n_ = __n; |
| } |
| return __is; |
| } |
| |
| typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24; |
| typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48; |
| |
| // independent_bits_engine |
| |
| template<class _Engine, size_t __w, class _UIntType> |
| class _LIBCPP_TYPE_VIS_ONLY independent_bits_engine |
| { |
| template <class _UI, _UI _R0, size_t _Wp, size_t _Mp> |
| class __get_n |
| { |
| static _LIBCPP_CONSTEXPR const size_t _Dt = numeric_limits<_UI>::digits; |
| static _LIBCPP_CONSTEXPR const size_t _Np = _Wp / _Mp + (_Wp % _Mp != 0); |
| static _LIBCPP_CONSTEXPR const size_t _W0 = _Wp / _Np; |
| static _LIBCPP_CONSTEXPR const _UI _Y0 = _W0 >= _Dt ? 0 : (_R0 >> _W0) << _W0; |
| public: |
| static _LIBCPP_CONSTEXPR const size_t value = _R0 - _Y0 > _Y0 / _Np ? _Np + 1 : _Np; |
| }; |
| public: |
| // types |
| typedef _UIntType result_type; |
| |
| private: |
| _Engine __e_; |
| |
| static _LIBCPP_CONSTEXPR const result_type _Dt = numeric_limits<result_type>::digits; |
| static_assert( 0 < __w, "independent_bits_engine invalid parameters"); |
| static_assert(__w <= _Dt, "independent_bits_engine invalid parameters"); |
| |
| typedef typename _Engine::result_type _Engine_result_type; |
| typedef typename conditional |
| < |
| sizeof(_Engine_result_type) <= sizeof(result_type), |
| result_type, |
| _Engine_result_type |
| >::type _Working_result_type; |
| #ifdef _LIBCPP_HAS_NO_CONSTEXPR |
| static const _Working_result_type _Rp = _Engine::_Max - _Engine::_Min |
| + _Working_result_type(1); |
| #else |
| static _LIBCPP_CONSTEXPR const _Working_result_type _Rp = _Engine::max() - _Engine::min() |
| + _Working_result_type(1); |
| #endif |
| static _LIBCPP_CONSTEXPR const size_t __m = __log2<_Working_result_type, _Rp>::value; |
| static _LIBCPP_CONSTEXPR const size_t __n = __get_n<_Working_result_type, _Rp, __w, __m>::value; |
| static _LIBCPP_CONSTEXPR const size_t __w0 = __w / __n; |
| static _LIBCPP_CONSTEXPR const size_t __n0 = __n - __w % __n; |
| static _LIBCPP_CONSTEXPR const size_t _WDt = numeric_limits<_Working_result_type>::digits; |
| static _LIBCPP_CONSTEXPR const size_t |