forked from OSchip/llvm-project
1736 lines
56 KiB
C++
1736 lines
56 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_RANDOM
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#define _LIBCPP_RANDOM
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/*
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random synopsis
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#include <initializer_list>
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namespace std
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{
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// [rand.req.urng], uniform random bit generator requirements
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template<class G>
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concept uniform_random_bit_generator = see below; // C++20
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// Engines
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template <class UIntType, UIntType a, UIntType c, UIntType m>
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class linear_congruential_engine
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{
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public:
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// types
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typedef UIntType result_type;
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// engine characteristics
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static constexpr result_type multiplier = a;
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static constexpr result_type increment = c;
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static constexpr result_type modulus = m;
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static constexpr result_type min() { return c == 0u ? 1u: 0u;}
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static constexpr result_type max() { return m - 1u;}
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static constexpr result_type default_seed = 1u;
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// constructors and seeding functions
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explicit linear_congruential_engine(result_type s = default_seed); // before C++20
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linear_congruential_engine() : linear_congruential_engine(default_seed) {} // C++20
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explicit linear_congruential_engine(result_type s); // C++20
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template<class Sseq> explicit linear_congruential_engine(Sseq& q);
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void seed(result_type s = default_seed);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()();
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void discard(unsigned long long z);
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};
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template <class UIntType, UIntType a, UIntType c, UIntType m>
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bool
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operator==(const linear_congruential_engine<UIntType, a, c, m>& x,
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const linear_congruential_engine<UIntType, a, c, m>& y);
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template <class UIntType, UIntType a, UIntType c, UIntType m>
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bool
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operator!=(const linear_congruential_engine<UIntType, a, c, m>& x,
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const linear_congruential_engine<UIntType, a, c, m>& y);
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template <class charT, class traits,
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class UIntType, UIntType a, UIntType c, UIntType m>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const linear_congruential_engine<UIntType, a, c, m>& x);
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template <class charT, class traits,
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class UIntType, UIntType a, UIntType c, UIntType m>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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linear_congruential_engine<UIntType, a, c, m>& x);
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template <class UIntType, size_t w, size_t n, size_t m, size_t r,
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UIntType a, size_t u, UIntType d, size_t s,
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UIntType b, size_t t, UIntType c, size_t l, UIntType f>
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class mersenne_twister_engine
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{
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public:
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// types
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typedef UIntType result_type;
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// engine characteristics
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static constexpr size_t word_size = w;
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static constexpr size_t state_size = n;
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static constexpr size_t shift_size = m;
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static constexpr size_t mask_bits = r;
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static constexpr result_type xor_mask = a;
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static constexpr size_t tempering_u = u;
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static constexpr result_type tempering_d = d;
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static constexpr size_t tempering_s = s;
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static constexpr result_type tempering_b = b;
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static constexpr size_t tempering_t = t;
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static constexpr result_type tempering_c = c;
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static constexpr size_t tempering_l = l;
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static constexpr result_type initialization_multiplier = f;
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static constexpr result_type min () { return 0; }
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static constexpr result_type max() { return 2^w - 1; }
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static constexpr result_type default_seed = 5489u;
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// constructors and seeding functions
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explicit mersenne_twister_engine(result_type s = default_seed); // before C++20
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mersenne_twister_engine() : mersenne_twister_engine(default_seed) {} // C++20
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explicit mersenne_twister_engine(result_type s); // C++20
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template<class Sseq> explicit mersenne_twister_engine(Sseq& q);
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void seed(result_type value = default_seed);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()();
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void discard(unsigned long long z);
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};
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template <class UIntType, size_t w, size_t n, size_t m, size_t r,
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UIntType a, size_t u, UIntType d, size_t s,
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UIntType b, size_t t, UIntType c, size_t l, UIntType f>
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bool
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operator==(
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const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x,
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const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y);
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template <class UIntType, size_t w, size_t n, size_t m, size_t r,
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UIntType a, size_t u, UIntType d, size_t s,
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UIntType b, size_t t, UIntType c, size_t l, UIntType f>
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bool
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operator!=(
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const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x,
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const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& y);
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template <class charT, class traits,
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class UIntType, size_t w, size_t n, size_t m, size_t r,
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UIntType a, size_t u, UIntType d, size_t s,
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UIntType b, size_t t, UIntType c, size_t l, UIntType f>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
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template <class charT, class traits,
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class UIntType, size_t w, size_t n, size_t m, size_t r,
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UIntType a, size_t u, UIntType d, size_t s,
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UIntType b, size_t t, UIntType c, size_t l, UIntType f>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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mersenne_twister_engine<UIntType, w, n, m, r, a, u, d, s, b, t, c, l, f>& x);
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template<class UIntType, size_t w, size_t s, size_t r>
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class subtract_with_carry_engine
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{
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public:
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// types
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typedef UIntType result_type;
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// engine characteristics
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static constexpr size_t word_size = w;
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static constexpr size_t short_lag = s;
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static constexpr size_t long_lag = r;
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static constexpr result_type min() { return 0; }
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static constexpr result_type max() { return m-1; }
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static constexpr result_type default_seed = 19780503u;
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// constructors and seeding functions
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explicit subtract_with_carry_engine(result_type value = default_seed); // before C++20
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subtract_with_carry_engine() : subtract_with_carry_engine(default_seed) {} // C++20
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explicit subtract_with_carry_engine(result_type value); // C++20
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template<class Sseq> explicit subtract_with_carry_engine(Sseq& q);
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void seed(result_type value = default_seed);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()();
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void discard(unsigned long long z);
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};
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template<class UIntType, size_t w, size_t s, size_t r>
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bool
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operator==(
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const subtract_with_carry_engine<UIntType, w, s, r>& x,
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const subtract_with_carry_engine<UIntType, w, s, r>& y);
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template<class UIntType, size_t w, size_t s, size_t r>
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bool
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operator!=(
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const subtract_with_carry_engine<UIntType, w, s, r>& x,
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const subtract_with_carry_engine<UIntType, w, s, r>& y);
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template <class charT, class traits,
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class UIntType, size_t w, size_t s, size_t r>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const subtract_with_carry_engine<UIntType, w, s, r>& x);
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template <class charT, class traits,
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class UIntType, size_t w, size_t s, size_t r>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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subtract_with_carry_engine<UIntType, w, s, r>& x);
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template<class Engine, size_t p, size_t r>
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class discard_block_engine
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{
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public:
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// types
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typedef typename Engine::result_type result_type;
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// engine characteristics
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static constexpr size_t block_size = p;
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static constexpr size_t used_block = r;
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static constexpr result_type min() { return Engine::min(); }
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static constexpr result_type max() { return Engine::max(); }
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// constructors and seeding functions
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discard_block_engine();
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explicit discard_block_engine(const Engine& e);
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explicit discard_block_engine(Engine&& e);
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explicit discard_block_engine(result_type s);
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template<class Sseq> explicit discard_block_engine(Sseq& q);
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void seed();
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void seed(result_type s);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()();
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void discard(unsigned long long z);
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// property functions
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const Engine& base() const noexcept;
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};
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template<class Engine, size_t p, size_t r>
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bool
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operator==(
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const discard_block_engine<Engine, p, r>& x,
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const discard_block_engine<Engine, p, r>& y);
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template<class Engine, size_t p, size_t r>
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bool
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operator!=(
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const discard_block_engine<Engine, p, r>& x,
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const discard_block_engine<Engine, p, r>& y);
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template <class charT, class traits,
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class Engine, size_t p, size_t r>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const discard_block_engine<Engine, p, r>& x);
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template <class charT, class traits,
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class Engine, size_t p, size_t r>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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discard_block_engine<Engine, p, r>& x);
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template<class Engine, size_t w, class UIntType>
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class independent_bits_engine
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{
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public:
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// types
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typedef UIntType result_type;
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// engine characteristics
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static constexpr result_type min() { return 0; }
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static constexpr result_type max() { return 2^w - 1; }
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// constructors and seeding functions
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independent_bits_engine();
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explicit independent_bits_engine(const Engine& e);
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explicit independent_bits_engine(Engine&& e);
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explicit independent_bits_engine(result_type s);
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template<class Sseq> explicit independent_bits_engine(Sseq& q);
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void seed();
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void seed(result_type s);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()(); void discard(unsigned long long z);
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// property functions
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const Engine& base() const noexcept;
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};
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template<class Engine, size_t w, class UIntType>
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bool
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operator==(
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const independent_bits_engine<Engine, w, UIntType>& x,
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const independent_bits_engine<Engine, w, UIntType>& y);
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template<class Engine, size_t w, class UIntType>
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bool
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operator!=(
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const independent_bits_engine<Engine, w, UIntType>& x,
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const independent_bits_engine<Engine, w, UIntType>& y);
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template <class charT, class traits,
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class Engine, size_t w, class UIntType>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const independent_bits_engine<Engine, w, UIntType>& x);
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template <class charT, class traits,
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class Engine, size_t w, class UIntType>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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independent_bits_engine<Engine, w, UIntType>& x);
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template<class Engine, size_t k>
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class shuffle_order_engine
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{
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public:
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// types
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typedef typename Engine::result_type result_type;
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// engine characteristics
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static constexpr size_t table_size = k;
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static constexpr result_type min() { return Engine::min; }
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static constexpr result_type max() { return Engine::max; }
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// constructors and seeding functions
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shuffle_order_engine();
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explicit shuffle_order_engine(const Engine& e);
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explicit shuffle_order_engine(Engine&& e);
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explicit shuffle_order_engine(result_type s);
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template<class Sseq> explicit shuffle_order_engine(Sseq& q);
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void seed();
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void seed(result_type s);
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template<class Sseq> void seed(Sseq& q);
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// generating functions
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result_type operator()();
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void discard(unsigned long long z);
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// property functions
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const Engine& base() const noexcept;
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};
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template<class Engine, size_t k>
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bool
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operator==(
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const shuffle_order_engine<Engine, k>& x,
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const shuffle_order_engine<Engine, k>& y);
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template<class Engine, size_t k>
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bool
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operator!=(
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const shuffle_order_engine<Engine, k>& x,
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const shuffle_order_engine<Engine, k>& y);
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template <class charT, class traits,
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class Engine, size_t k>
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const shuffle_order_engine<Engine, k>& x);
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template <class charT, class traits,
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class Engine, size_t k>
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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shuffle_order_engine<Engine, k>& x);
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typedef linear_congruential_engine<uint_fast32_t, 16807, 0, 2147483647>
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minstd_rand0;
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typedef linear_congruential_engine<uint_fast32_t, 48271, 0, 2147483647>
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minstd_rand;
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typedef mersenne_twister_engine<uint_fast32_t, 32, 624, 397, 31,
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0x9908b0df,
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11, 0xffffffff,
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7, 0x9d2c5680,
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15, 0xefc60000,
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18, 1812433253> mt19937;
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typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31,
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0xb5026f5aa96619e9,
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29, 0x5555555555555555,
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17, 0x71d67fffeda60000,
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37, 0xfff7eee000000000,
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43, 6364136223846793005> mt19937_64;
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typedef subtract_with_carry_engine<uint_fast32_t, 24, 10, 24> ranlux24_base;
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typedef subtract_with_carry_engine<uint_fast64_t, 48, 5, 12> ranlux48_base;
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typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24;
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typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48;
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typedef shuffle_order_engine<minstd_rand0, 256> knuth_b;
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typedef minstd_rand default_random_engine;
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// Generators
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class random_device
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{
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public:
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// types
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typedef unsigned int result_type;
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// generator characteristics
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static constexpr result_type min() { return numeric_limits<result_type>::min(); }
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static constexpr result_type max() { return numeric_limits<result_type>::max(); }
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// constructors
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explicit random_device(const string& token = implementation-defined); // before C++20
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random_device() : random_device(implementation-defined) {} // C++20
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explicit random_device(const string& token); // C++20
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// generating functions
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result_type operator()();
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// property functions
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double entropy() const noexcept;
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// no copy functions
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random_device(const random_device& ) = delete;
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void operator=(const random_device& ) = delete;
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};
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// Utilities
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class seed_seq
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{
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public:
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// types
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typedef uint_least32_t result_type;
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// constructors
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seed_seq();
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template<class T>
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seed_seq(initializer_list<T> il);
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template<class InputIterator>
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seed_seq(InputIterator begin, InputIterator end);
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// generating functions
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template<class RandomAccessIterator>
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void generate(RandomAccessIterator begin, RandomAccessIterator end);
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// property functions
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size_t size() const;
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template<class OutputIterator>
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void param(OutputIterator dest) const;
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// no copy functions
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seed_seq(const seed_seq&) = delete;
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void operator=(const seed_seq& ) = delete;
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};
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template<class RealType, size_t bits, class URNG>
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RealType generate_canonical(URNG& g);
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// Distributions
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template<class IntType = int>
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class uniform_int_distribution
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{
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public:
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// types
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typedef IntType result_type;
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class param_type
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{
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public:
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typedef uniform_int_distribution distribution_type;
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explicit param_type(IntType a = 0,
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IntType b = numeric_limits<IntType>::max());
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result_type a() const;
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result_type b() const;
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friend bool operator==(const param_type& x, const param_type& y);
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friend bool operator!=(const param_type& x, const param_type& y);
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};
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// constructors and reset functions
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explicit uniform_int_distribution(IntType a = 0,
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IntType b = numeric_limits<IntType>::max()); // before C++20
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uniform_int_distribution() : uniform_int_distribution(0) {} // C++20
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explicit uniform_int_distribution(IntType a,
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IntType b = numeric_limits<IntType>::max()); // C++20
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explicit uniform_int_distribution(const param_type& parm);
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void reset();
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// generating functions
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template<class URNG> result_type operator()(URNG& g);
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template<class URNG> result_type operator()(URNG& g, const param_type& parm);
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|
// 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); // before C++20
|
|
uniform_real_distribution() : uniform_real_distribution(0.0) {} // C++20
|
|
explicit uniform_real_distribution(RealType a, RealType b = 1.0); // C++20
|
|
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); // before C++20
|
|
bernoulli_distribution() : bernoulli_distribution(0.5) {} // C++20
|
|
explicit bernoulli_distribution(double p); // C++20
|
|
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); // before C++20
|
|
binomial_distribution() : binomial_distribution(1) {} // C++20
|
|
explicit binomial_distribution(IntType t, double p = 0.5); // C++20
|
|
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); // before C++20
|
|
geometric_distribution() : geometric_distribution(0.5) {} // C++20
|
|
explicit geometric_distribution(double p); // C++20
|
|
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(IntType k = 1, double p = 0.5); // before C++20
|
|
negative_binomial_distribution() : negative_binomial_distribution(1) {} // C++20
|
|
explicit negative_binomial_distribution(IntType k, double p = 0.5); // C++20
|
|
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); // before C++20
|
|
poisson_distribution() : poisson_distribution(1.0) {} // C++20
|
|
explicit poisson_distribution(double mean); // C++20
|
|
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(RealType lambda = 1.0); // before C++20
|
|
exponential_distribution() : exponential_distribution(1.0) {} // C++20
|
|
explicit exponential_distribution(RealType lambda); // C++20
|
|
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(RealType alpha = 0.0, RealType beta = 1.0); // before C++20
|
|
gamma_distribution() : gamma_distribution(0.0) {} // C++20
|
|
explicit gamma_distribution(RealType alpha, RealType beta = 1.0); // C++20
|
|
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(RealType a = 1.0, RealType b = 1.0); // before C++20
|
|
weibull_distribution() : weibull_distribution(1.0) {} // C++20
|
|
explicit weibull_distribution(RealType a, RealType b = 1.0); // C++20
|
|
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(RealType a = 0.0, RealType b = 1.0); // before C++20
|
|
extreme_value_distribution() : extreme_value_distribution(0.0) {} // C++20
|
|
explicit extreme_value_distribution(RealType a, RealType b = 1.0); // C++20
|
|
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(RealType mean = 0.0, RealType stddev = 1.0); // before C++20
|
|
normal_distribution() : normal_distribution(0.0) {} // C++20
|
|
explicit normal_distribution(RealType mean, RealType stddev = 1.0); // C++20
|
|
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(RealType mean = 0.0, RealType stddev = 1.0); // before C++20
|
|
lognormal_distribution() : lognormal_distribution(0.0) {} // C++20
|
|
explicit lognormal_distribution(RealType mean, RealType stddev = 1.0); // C++20
|
|
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(RealType n = 1.0); // before C++20
|
|
chi_squared_distribution() : chi_squared_distribution(1.0) {} // C++20
|
|
explicit chi_squared_distribution(RealType n); // C++20
|
|
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(RealType a = 0.0, RealType b = 1.0); // before C++20
|
|
cauchy_distribution() : cauchy_distribution(0.0) {} // C++20
|
|
explicit cauchy_distribution(RealType a, RealType b = 1.0); // C++20
|
|
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(RealType m = 1.0, RealType n = 1.0); // before C++20
|
|
fisher_f_distribution() : fisher_f_distribution(1.0) {} // C++20
|
|
explicit fisher_f_distribution(RealType m, RealType n = 1.0); // C++20
|
|
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(RealType n = 1.0); // before C++20
|
|
student_t_distribution() : student_t_distribution(1.0) {} // C++20
|
|
explicit student_t_distribution(RealType n); // C++20
|
|
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>
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class piecewise_linear_distribution
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{
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// types
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typedef RealType result_type;
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class param_type
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{
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public:
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typedef piecewise_linear_distribution distribution_type;
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param_type();
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template<class InputIteratorB, class InputIteratorW>
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param_type(InputIteratorB firstB, InputIteratorB lastB,
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InputIteratorW firstW);
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template<class UnaryOperation>
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param_type(initializer_list<result_type> bl, UnaryOperation fw);
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template<class UnaryOperation>
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param_type(size_t nw, result_type xmin, result_type xmax,
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UnaryOperation fw);
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vector<result_type> intervals() const;
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vector<result_type> densities() const;
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friend bool operator==(const param_type& x, const param_type& y);
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friend bool operator!=(const param_type& x, const param_type& y);
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};
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// constructor and reset functions
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piecewise_linear_distribution();
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template<class InputIteratorB, class InputIteratorW>
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piecewise_linear_distribution(InputIteratorB firstB,
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InputIteratorB lastB,
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InputIteratorW firstW);
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template<class UnaryOperation>
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piecewise_linear_distribution(initializer_list<result_type> bl,
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UnaryOperation fw);
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template<class UnaryOperation>
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piecewise_linear_distribution(size_t nw, result_type xmin,
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result_type xmax, UnaryOperation fw);
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explicit piecewise_linear_distribution(const param_type& parm);
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void reset();
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// generating functions
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template<class URNG> result_type operator()(URNG& g);
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template<class URNG> result_type operator()(URNG& g, const param_type& parm);
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// property functions
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vector<result_type> intervals() const;
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vector<result_type> densities() const;
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param_type param() const;
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void param(const param_type& parm);
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result_type min() const;
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result_type max() const;
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friend bool operator==(const piecewise_linear_distribution& x,
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const piecewise_linear_distribution& y);
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friend bool operator!=(const piecewise_linear_distribution& x,
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const piecewise_linear_distribution& y);
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template <class charT, class traits>
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friend
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basic_ostream<charT, traits>&
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operator<<(basic_ostream<charT, traits>& os,
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const piecewise_linear_distribution& x);
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template <class charT, class traits>
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friend
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basic_istream<charT, traits>&
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operator>>(basic_istream<charT, traits>& is,
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piecewise_linear_distribution& x);
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};
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} // std
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*/
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#include <__config>
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#include <__random/bernoulli_distribution.h>
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#include <__random/binomial_distribution.h>
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#include <__random/cauchy_distribution.h>
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#include <__random/chi_squared_distribution.h>
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#include <__random/clamp_to_integral.h>
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#include <__random/default_random_engine.h>
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#include <__random/discard_block_engine.h>
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#include <__random/discrete_distribution.h>
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#include <__random/exponential_distribution.h>
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#include <__random/extreme_value_distribution.h>
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#include <__random/fisher_f_distribution.h>
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#include <__random/gamma_distribution.h>
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#include <__random/generate_canonical.h>
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#include <__random/geometric_distribution.h>
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#include <__random/independent_bits_engine.h>
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#include <__random/is_seed_sequence.h>
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#include <__random/knuth_b.h>
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#include <__random/linear_congruential_engine.h>
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#include <__random/log2.h>
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#include <__random/lognormal_distribution.h>
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#include <__random/mersenne_twister_engine.h>
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#include <__random/negative_binomial_distribution.h>
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#include <__random/normal_distribution.h>
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#include <__random/piecewise_constant_distribution.h>
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#include <__random/piecewise_linear_distribution.h>
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#include <__random/poisson_distribution.h>
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#include <__random/random_device.h>
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#include <__random/ranlux.h>
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#include <__random/seed_seq.h>
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#include <__random/shuffle_order_engine.h>
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#include <__random/student_t_distribution.h>
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#include <__random/subtract_with_carry_engine.h>
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#include <__random/uniform_int_distribution.h>
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#include <__random/uniform_random_bit_generator.h>
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#include <__random/uniform_real_distribution.h>
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#include <__random/weibull_distribution.h>
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#include <initializer_list>
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#include <version>
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#include <algorithm> // for backward compatibility; TODO remove it
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#include <cmath> // for backward compatibility; TODO remove it
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#include <cstddef> // for backward compatibility; TODO remove it
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#include <cstdint> // for backward compatibility; TODO remove it
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#include <iosfwd> // for backward compatibility; TODO remove it
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#include <limits> // for backward compatibility; TODO remove it
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#include <numeric> // for backward compatibility; TODO remove it
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#include <string> // for backward compatibility; TODO remove it
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#include <type_traits> // for backward compatibility; TODO remove it
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#include <vector> // for backward compatibility; TODO remove it
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#endif // _LIBCPP_RANDOM
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