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libcxx/include/random

Show All 30 Linespublic:
static constexpr result_type multiplier = a; static constexpr result_type multiplier = a;
static constexpr result_type increment = c; static constexpr result_type increment = c;
static constexpr result_type modulus = m; static constexpr result_type modulus = m;
static constexpr result_type min() { return c == 0u ? 1u: 0u;} static constexpr result_type min() { return c == 0u ? 1u: 0u;}
static constexpr result_type max() { return m - 1u;} static constexpr result_type max() { return m - 1u;}
static constexpr result_type default_seed = 1u; static constexpr result_type default_seed = 1u;
// constructors and seeding functions // constructors and seeding functions
explicit linear_congruential_engine(result_type s = default_seed); explicit linear_congruential_engine(result_type s = default_seed); // before C++20
linear_congruential_engine() : linear_congruential_engine(default_seed) {} // C++20
explicit linear_congruential_engine(result_type s); // C++20
template<class Sseq> explicit linear_congruential_engine(Sseq& q); template<class Sseq> explicit linear_congruential_engine(Sseq& q);
void seed(result_type s = default_seed); void seed(result_type s = default_seed);
template<class Sseq> void seed(Sseq& q); template<class Sseq> void seed(Sseq& q);
// generating functions // generating functions
result_type operator()(); result_type operator()();
void discard(unsigned long long z); void discard(unsigned long long z);
}; };
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static constexpr result_type tempering_c = c; static constexpr result_type tempering_c = c;
static constexpr size_t tempering_l = l; static constexpr size_t tempering_l = l;
static constexpr result_type initialization_multiplier = f; static constexpr result_type initialization_multiplier = f;
static constexpr result_type min () { return 0; } static constexpr result_type min () { return 0; }
static constexpr result_type max() { return 2^w - 1; } static constexpr result_type max() { return 2^w - 1; }
static constexpr result_type default_seed = 5489u; static constexpr result_type default_seed = 5489u;
// constructors and seeding functions // constructors and seeding functions
explicit mersenne_twister_engine(result_type value = default_seed); mersenne_twister_engine();
explicit mersenne_twister_engine(result_type value);
template<class Sseq> explicit mersenne_twister_engine(Sseq& q); template<class Sseq> explicit mersenne_twister_engine(Sseq& q);
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Please disregard modifications to stuff other than linear_congruential_engine.

curdeius: Please disregard modifications to stuff other than `linear_congruential_engine`.
void seed(result_type value = default_seed); void seed(result_type value = default_seed);
template<class Sseq> void seed(Sseq& q); template<class Sseq> void seed(Sseq& q);
// generating functions // generating functions
result_type operator()(); result_type operator()();
void discard(unsigned long long z); void discard(unsigned long long z);
}; };
Show All 40 Linespublic:
static constexpr size_t word_size = w; static constexpr size_t word_size = w;
static constexpr size_t short_lag = s; static constexpr size_t short_lag = s;
static constexpr size_t long_lag = r; static constexpr size_t long_lag = r;
static constexpr result_type min() { return 0; } static constexpr result_type min() { return 0; }
static constexpr result_type max() { return m-1; } static constexpr result_type max() { return m-1; }
static constexpr result_type default_seed = 19780503u; static constexpr result_type default_seed = 19780503u;
// constructors and seeding functions // constructors and seeding functions
explicit subtract_with_carry_engine(result_type value = default_seed); subtract_with_carry_engine();
explicit subtract_with_carry_engine(result_type value);
template<class Sseq> explicit subtract_with_carry_engine(Sseq& q); template<class Sseq> explicit subtract_with_carry_engine(Sseq& q);
void seed(result_type value = default_seed); void seed(result_type value = default_seed);
template<class Sseq> void seed(Sseq& q); template<class Sseq> void seed(Sseq& q);
// generating functions // generating functions
result_type operator()(); result_type operator()();
void discard(unsigned long long z); void discard(unsigned long long z);
}; };
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// types // types
typedef unsigned int result_type; typedef unsigned int result_type;
// generator characteristics // generator characteristics
static constexpr result_type min() { return numeric_limits<result_type>::min(); } static constexpr result_type min() { return numeric_limits<result_type>::min(); }
static constexpr result_type max() { return numeric_limits<result_type>::max(); } static constexpr result_type max() { return numeric_limits<result_type>::max(); }
// constructors // constructors
explicit random_device(const string& token = "/dev/urandom"); random_device();
explicit random_device(const string& token);
// generating functions // generating functions
result_type operator()(); result_type operator()();
// property functions // property functions
double entropy() const noexcept; double entropy() const noexcept;
// no copy functions // no copy functions
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result_type a() const; result_type a() const;
result_type b() 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);
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 // constructors and reset functions
explicit uniform_int_distribution(IntType a = 0, uniform_int_distribution();
explicit uniform_int_distribution(IntType a,
IntType b = numeric_limits<IntType>::max()); IntType b = numeric_limits<IntType>::max());
explicit uniform_int_distribution(const param_type& parm); explicit uniform_int_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
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result_type a() const; result_type a() const;
result_type b() 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);
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 // constructors and reset functions
explicit uniform_real_distribution(RealType a = 0.0, RealType b = 1.0); uniform_real_distribution();
explicit uniform_real_distribution(RealType a, RealType b = 1.0);
explicit uniform_real_distribution(const param_type& parm); explicit uniform_real_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
Show All 39 Lines public:
double p() 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);
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 // constructors and reset functions
explicit bernoulli_distribution(double p = 0.5); bernoulli_distribution();
explicit bernoulli_distribution(double p);
explicit bernoulli_distribution(const param_type& parm); explicit bernoulli_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
Show All 40 Lines public:
IntType t() const; IntType t() const;
double p() 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);
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 // constructors and reset functions
explicit binomial_distribution(IntType t = 1, double p = 0.5); binomial_distribution() : binomial_distribution(1) {}
explicit binomial_distribution(IntType t, double p = 0.5);
explicit binomial_distribution(const param_type& parm); explicit binomial_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
Show All 40 Lines public:
double p() 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);
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 // constructors and reset functions
explicit geometric_distribution(double p = 0.5); geometric_distribution() : geometric_distribution(0.5) {}
explicit geometric_distribution(double p);
explicit geometric_distribution(const param_type& parm); explicit geometric_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type k() const; result_type k() const;
double p() 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);
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 // constructor and reset functions
explicit negative_binomial_distribution(result_type k = 1, double p = 0.5); negative_binomial_distribution() : negative_binomial_distribution(1) {}
explicit negative_binomial_distribution(result_type k, double p = 0.5);
explicit negative_binomial_distribution(const param_type& parm); explicit negative_binomial_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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double mean() const; 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);
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 // constructors and reset functions
explicit poisson_distribution(double mean = 1.0); poisson_distribution() : poisson_distribution(1.0) {}
explicit poisson_distribution(double mean);
explicit poisson_distribution(const param_type& parm); explicit poisson_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type lambda() const; 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);
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 // constructors and reset functions
explicit exponential_distribution(result_type lambda = 1.0); exponential_distribution() : exponential_distribution(1.0) {}
explicit exponential_distribution(result_type lambda);
explicit exponential_distribution(const param_type& parm); explicit exponential_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type alpha() const; result_type alpha() const;
result_type beta() 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);
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 // constructors and reset functions
explicit gamma_distribution(result_type alpha = 1, result_type beta = 1); gamma_distribution() : gamma_distribution(1) {}
explicit gamma_distribution(result_type alpha, result_type beta = 1);
explicit gamma_distribution(const param_type& parm); explicit gamma_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type a() const; result_type a() const;
result_type b() 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);
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 // constructor and reset functions
explicit weibull_distribution(result_type a = 1, result_type b = 1); weibull_distribution() : weibull_distribution(1);
explicit weibull_distribution(result_type a, result_type b = 1);
explicit weibull_distribution(const param_type& parm); explicit weibull_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type a() const; result_type a() const;
result_type b() 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);
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 // constructor and reset functions
explicit extreme_value_distribution(result_type a = 0, result_type b = 1); extreme_value_distribution() : extreme_value_distribution(0) {}
explicit extreme_value_distribution(result_type a, result_type b = 1);
explicit extreme_value_distribution(const param_type& parm); explicit extreme_value_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type mean() const; result_type mean() const;
result_type stddev() 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);
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 // constructors and reset functions
explicit normal_distribution(result_type mean = 0, result_type stddev = 1); normal_distribution() : normal_distribution(0) {}
explicit normal_distribution(result_type mean, result_type stddev = 1);
explicit normal_distribution(const param_type& parm); explicit normal_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type m() const; result_type m() const;
result_type s() 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);
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 // constructor and reset functions
explicit lognormal_distribution(result_type m = 0, result_type s = 1); lognormal_distribution() : lognormal_distribution(0) {}
explicit lognormal_distribution(result_type m, result_type s = 1);
explicit lognormal_distribution(const param_type& parm); explicit lognormal_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type n() 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);
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 // constructor and reset functions
explicit chi_squared_distribution(result_type n = 1); chi_squared_distribution() : chi_squared_distribution(1);
explicit chi_squared_distribution(result_type n);
explicit chi_squared_distribution(const param_type& parm); explicit chi_squared_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type a() const; result_type a() const;
result_type b() 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);
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 // constructor and reset functions
explicit cauchy_distribution(result_type a = 0, result_type b = 1); cauchy_distribution() : cauchy_distribution(0) {}
explicit cauchy_distribution(result_type a, result_type b = 1);
explicit cauchy_distribution(const param_type& parm); explicit cauchy_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type m() const; result_type m() const;
result_type n() 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);
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 // constructor and reset functions
explicit fisher_f_distribution(result_type m = 1, result_type n = 1); fisher_f_distribution() : fisher_f_distribution(1) {}
explicit fisher_f_distribution(result_type m, result_type n = 1);
explicit fisher_f_distribution(const param_type& parm); explicit fisher_f_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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result_type n() 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);
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 // constructor and reset functions
explicit student_t_distribution(result_type n = 1); student_t_distribution() : student_t_distribution(1) {}
explicit student_t_distribution(result_type n);
explicit student_t_distribution(const param_type& parm); explicit student_t_distribution(const param_type& parm);
void reset(); void reset();
// generating functions // generating functions
template<class URNG> result_type operator()(URNG& g); template<class URNG> result_type operator()(URNG& g);
template<class URNG> result_type operator()(URNG& g, const param_type& parm); template<class URNG> result_type operator()(URNG& g, const param_type& parm);
// property functions // property functions
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static _LIBCPP_CONSTEXPR const result_type modulus = __m; static _LIBCPP_CONSTEXPR const result_type modulus = __m;
_LIBCPP_INLINE_VISIBILITY _LIBCPP_INLINE_VISIBILITY
static _LIBCPP_CONSTEXPR result_type min() {return _Min;} static _LIBCPP_CONSTEXPR result_type min() {return _Min;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_INLINE_VISIBILITY
static _LIBCPP_CONSTEXPR result_type max() {return _Max;} static _LIBCPP_CONSTEXPR result_type max() {return _Max;}
static _LIBCPP_CONSTEXPR const result_type default_seed = 1u; static _LIBCPP_CONSTEXPR const result_type default_seed = 1u;
// constructors and seeding functions // constructors and seeding functions
#if _LIBCPP_STD_VER > 17
_LIBCPP_INLINE_VISIBILITY
linear_congruential_engine() : linear_congruential_engine(default_seed) {}
_LIBCPP_INLINE_VISIBILITY
explicit linear_congruential_engine(result_type __s)
{seed(__s);}
#else
_LIBCPP_INLINE_VISIBILITY _LIBCPP_INLINE_VISIBILITY
explicit linear_congruential_engine(result_type __s = default_seed) explicit linear_congruential_engine(result_type __s = default_seed)
{seed(__s);} {seed(__s);}
#endif
template<class _Sseq> template<class _Sseq>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_INLINE_VISIBILITY
explicit linear_congruential_engine(_Sseq& __q, explicit linear_congruential_engine(_Sseq& __q,
typename enable_if<__is_seed_sequence<_Sseq, linear_congruential_engine>::value>::type* = 0) typename enable_if<__is_seed_sequence<_Sseq, linear_congruential_engine>::value>::type* = 0)
{seed(__q);} {seed(__q);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_INLINE_VISIBILITY
void seed(result_type __s = default_seed) void seed(result_type __s = default_seed)
{seed(integral_constant<bool, __m == 0>(), {seed(integral_constant<bool, __m == 0>(),
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