experimental/numeric
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// <experimental/numeric> -*- C++ -*-
// Copyright (C) 2015-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file experimental/numeric
* This is a TS C++ Library header.
*/
//
// N4336 Working Draft, C++ Extensions for Library Fundamentals, Version 2
//
#ifndef _GLIBCXX_EXPERIMENTAL_NUMERIC
#define _GLIBCXX_EXPERIMENTAL_NUMERIC 1
#pragma GCC system_header
#if __cplusplus >= 201402L
#include <numeric>
#include <experimental/type_traits>
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace experimental
{
inline namespace fundamentals_v2
{
#define __cpp_lib_experimental_gcd_lcm 201411
/// Greatest common divisor
template<typename _Mn, typename _Nn>
constexpr common_type_t<_Mn, _Nn>
gcd(_Mn __m, _Nn __n)
{
static_assert(is_integral_v<_Mn>, "gcd arguments are integers");
static_assert(is_integral_v<_Nn>, "gcd arguments are integers");
static_assert(!is_same_v<remove_cv_t<_Mn>, bool>,
"gcd arguments are not bools");
static_assert(!is_same_v<remove_cv_t<_Nn>, bool>,
"gcd arguments are not bools");
return std::__detail::__gcd(__m, __n);
}
/// Least common multiple
template<typename _Mn, typename _Nn>
constexpr common_type_t<_Mn, _Nn>
lcm(_Mn __m, _Nn __n)
{
static_assert(is_integral_v<_Mn>, "lcm arguments are integers");
static_assert(is_integral_v<_Nn>, "lcm arguments are integers");
static_assert(!is_same_v<remove_cv_t<_Mn>, bool>,
"lcm arguments are not bools");
static_assert(!is_same_v<remove_cv_t<_Nn>, bool>,
"lcm arguments are not bools");
return std::__detail::__lcm(__m, __n);
}
} // namespace fundamentals_v2
} // namespace experimental
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // __cplusplus <= 201103L
#endif // _GLIBCXX_EXPERIMENTAL_NUMERIC
std::experimental::fundamentals_v2::lcm
constexpr common_type_t< _Mn, _Nn > lcm(_Mn __m, _Nn __n)
Least common multiple.
Definition: experimental/numeric:70
std::common_type_t
typename common_type< _Tp... >::type common_type_t
Alias template for common_type.
Definition: type_traits:2318
numeric
std
ISO C++ entities toplevel namespace is std.
std::__detail::__lcm
constexpr common_type_t< _Mn, _Nn > __lcm(_Mn __m, _Nn __n)
Least common multiple.
Definition: numeric:113
type_traits
std::experimental::fundamentals_v2::gcd
constexpr common_type_t< _Mn, _Nn > gcd(_Mn __m, _Nn __n)
Greatest common divisor.
Definition: experimental/numeric:56
std::remove_cv_t
typename remove_cv< _Tp >::type remove_cv_t
Alias template for remove_cv.
Definition: type_traits:1445