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Release Cosmopolitan v3.6.0
This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney
parent
62ace3623a
commit
5660ec4741
1585 changed files with 117353 additions and 271644 deletions
162
third_party/libcxx/__random/student_t_distribution.h
vendored
162
third_party/libcxx/__random/student_t_distribution.h
vendored
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@ -26,127 +26,103 @@ _LIBCPP_PUSH_MACROS
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_LIBCPP_BEGIN_NAMESPACE_STD
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template<class _RealType = double>
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class _LIBCPP_TEMPLATE_VIS student_t_distribution
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{
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template <class _RealType = double>
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class _LIBCPP_TEMPLATE_VIS student_t_distribution {
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static_assert(__libcpp_random_is_valid_realtype<_RealType>::value,
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"RealType must be a supported floating-point type");
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public:
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// types
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typedef _RealType result_type;
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// types
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typedef _RealType result_type;
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class _LIBCPP_TEMPLATE_VIS param_type
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{
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result_type __n_;
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public:
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typedef student_t_distribution distribution_type;
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class _LIBCPP_TEMPLATE_VIS param_type {
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result_type __n_;
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_LIBCPP_INLINE_VISIBILITY
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explicit param_type(result_type __n = 1) : __n_(__n) {}
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public:
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typedef student_t_distribution distribution_type;
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_LIBCPP_INLINE_VISIBILITY
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result_type n() const {return __n_;}
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_LIBCPP_HIDE_FROM_ABI explicit param_type(result_type __n = 1) : __n_(__n) {}
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friend _LIBCPP_INLINE_VISIBILITY
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bool operator==(const param_type& __x, const param_type& __y)
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{return __x.__n_ == __y.__n_;}
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friend _LIBCPP_INLINE_VISIBILITY
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bool operator!=(const param_type& __x, const param_type& __y)
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{return !(__x == __y);}
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};
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_LIBCPP_HIDE_FROM_ABI result_type n() const { return __n_; }
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friend _LIBCPP_HIDE_FROM_ABI bool operator==(const param_type& __x, const param_type& __y) {
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return __x.__n_ == __y.__n_;
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}
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friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const param_type& __x, const param_type& __y) { return !(__x == __y); }
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};
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private:
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param_type __p_;
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normal_distribution<result_type> __nd_;
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param_type __p_;
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normal_distribution<result_type> __nd_;
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public:
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// constructor and reset functions
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// constructor and reset functions
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#ifndef _LIBCPP_CXX03_LANG
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_LIBCPP_INLINE_VISIBILITY
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student_t_distribution() : student_t_distribution(1) {}
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_LIBCPP_INLINE_VISIBILITY
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explicit student_t_distribution(result_type __n)
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: __p_(param_type(__n)) {}
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_LIBCPP_HIDE_FROM_ABI student_t_distribution() : student_t_distribution(1) {}
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_LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(result_type __n) : __p_(param_type(__n)) {}
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#else
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_LIBCPP_INLINE_VISIBILITY
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explicit student_t_distribution(result_type __n = 1)
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: __p_(param_type(__n)) {}
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_LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(result_type __n = 1) : __p_(param_type(__n)) {}
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#endif
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_LIBCPP_INLINE_VISIBILITY
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explicit student_t_distribution(const param_type& __p)
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: __p_(__p) {}
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_LIBCPP_INLINE_VISIBILITY
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void reset() {__nd_.reset();}
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_LIBCPP_HIDE_FROM_ABI explicit student_t_distribution(const param_type& __p) : __p_(__p) {}
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_LIBCPP_HIDE_FROM_ABI void reset() { __nd_.reset(); }
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// generating functions
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template<class _URNG>
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_LIBCPP_INLINE_VISIBILITY
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result_type operator()(_URNG& __g)
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{return (*this)(__g, __p_);}
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template<class _URNG>
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_LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p);
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// generating functions
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template <class _URNG>
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_LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g) {
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return (*this)(__g, __p_);
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}
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template <class _URNG>
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_LIBCPP_HIDE_FROM_ABI result_type operator()(_URNG& __g, const param_type& __p);
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// property functions
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_LIBCPP_INLINE_VISIBILITY
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result_type n() const {return __p_.n();}
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// property functions
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_LIBCPP_HIDE_FROM_ABI result_type n() const { return __p_.n(); }
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_LIBCPP_INLINE_VISIBILITY
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param_type param() const {return __p_;}
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_LIBCPP_INLINE_VISIBILITY
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void param(const param_type& __p) {__p_ = __p;}
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_LIBCPP_HIDE_FROM_ABI param_type param() const { return __p_; }
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_LIBCPP_HIDE_FROM_ABI void param(const param_type& __p) { __p_ = __p; }
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_LIBCPP_INLINE_VISIBILITY
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result_type min() const {return -numeric_limits<result_type>::infinity();}
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_LIBCPP_INLINE_VISIBILITY
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result_type max() const {return numeric_limits<result_type>::infinity();}
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_LIBCPP_HIDE_FROM_ABI result_type min() const { return -numeric_limits<result_type>::infinity(); }
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_LIBCPP_HIDE_FROM_ABI result_type max() const { return numeric_limits<result_type>::infinity(); }
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friend _LIBCPP_INLINE_VISIBILITY
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bool operator==(const student_t_distribution& __x,
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const student_t_distribution& __y)
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{return __x.__p_ == __y.__p_;}
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friend _LIBCPP_INLINE_VISIBILITY
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bool operator!=(const student_t_distribution& __x,
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const student_t_distribution& __y)
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{return !(__x == __y);}
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friend _LIBCPP_HIDE_FROM_ABI bool operator==(const student_t_distribution& __x, const student_t_distribution& __y) {
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return __x.__p_ == __y.__p_;
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}
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friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const student_t_distribution& __x, const student_t_distribution& __y) {
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return !(__x == __y);
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}
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};
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template <class _RealType>
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template<class _URNG>
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_RealType
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student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
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{
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static_assert(__libcpp_random_is_valid_urng<_URNG>::value, "");
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gamma_distribution<result_type> __gd(__p.n() * .5, 2);
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return __nd_(__g) * _VSTD::sqrt(__p.n()/__gd(__g));
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template <class _URNG>
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_RealType student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p) {
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static_assert(__libcpp_random_is_valid_urng<_URNG>::value, "");
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gamma_distribution<result_type> __gd(__p.n() * .5, 2);
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return __nd_(__g) * std::sqrt(__p.n() / __gd(__g));
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}
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template <class _CharT, class _Traits, class _RT>
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_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __os,
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const student_t_distribution<_RT>& __x)
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{
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__save_flags<_CharT, _Traits> __lx(__os);
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typedef basic_ostream<_CharT, _Traits> _OStream;
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__os.flags(_OStream::dec | _OStream::left | _OStream::fixed |
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_OStream::scientific);
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__os << __x.n();
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return __os;
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operator<<(basic_ostream<_CharT, _Traits>& __os, const student_t_distribution<_RT>& __x) {
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__save_flags<_CharT, _Traits> __lx(__os);
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typedef basic_ostream<_CharT, _Traits> _OStream;
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__os.flags(_OStream::dec | _OStream::left | _OStream::fixed | _OStream::scientific);
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__os << __x.n();
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return __os;
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}
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template <class _CharT, class _Traits, class _RT>
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_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
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operator>>(basic_istream<_CharT, _Traits>& __is,
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student_t_distribution<_RT>& __x)
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{
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typedef student_t_distribution<_RT> _Eng;
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typedef typename _Eng::result_type result_type;
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typedef typename _Eng::param_type param_type;
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__save_flags<_CharT, _Traits> __lx(__is);
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typedef basic_istream<_CharT, _Traits> _Istream;
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__is.flags(_Istream::dec | _Istream::skipws);
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result_type __n;
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__is >> __n;
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if (!__is.fail())
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__x.param(param_type(__n));
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return __is;
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operator>>(basic_istream<_CharT, _Traits>& __is, student_t_distribution<_RT>& __x) {
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typedef student_t_distribution<_RT> _Eng;
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typedef typename _Eng::result_type result_type;
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typedef typename _Eng::param_type param_type;
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__save_flags<_CharT, _Traits> __lx(__is);
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typedef basic_istream<_CharT, _Traits> _Istream;
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__is.flags(_Istream::dec | _Istream::skipws);
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result_type __n;
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__is >> __n;
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if (!__is.fail())
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__x.param(param_type(__n));
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return __is;
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}
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_LIBCPP_END_NAMESPACE_STD
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