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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the BastionOS freestanding C++ standard library.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBBASTION_FUNCTIONAL_ARITHMETIC_H
#define _LIBBASTION_FUNCTIONAL_ARITHMETIC_H
#include <__config>
_LIBBASTION_BEGIN_NAMESPACE_STD
template<class _Tp = void>
struct plus {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x + __y; }
};
template<>
struct plus<void> {
template<class _Tp, class _Up>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t, _Up&& __u) const
-> decltype(static_cast<_Tp&&>(__t) + static_cast<_Up&&>(__u))
{ return static_cast<_Tp&&>(__t) + static_cast<_Up&&>(__u); }
using is_transparent = void;
};
template<class _Tp = void>
struct minus {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x - __y; }
};
template<>
struct minus<void> {
template<class _Tp, class _Up>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t, _Up&& __u) const
-> decltype(static_cast<_Tp&&>(__t) - static_cast<_Up&&>(__u))
{ return static_cast<_Tp&&>(__t) - static_cast<_Up&&>(__u); }
using is_transparent = void;
};
template<class _Tp = void>
struct multiplies {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x * __y; }
};
template<>
struct multiplies<void> {
template<class _Tp, class _Up>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t, _Up&& __u) const
-> decltype(static_cast<_Tp&&>(__t) * static_cast<_Up&&>(__u))
{ return static_cast<_Tp&&>(__t) * static_cast<_Up&&>(__u); }
using is_transparent = void;
};
template<class _Tp = void>
struct divides {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x / __y; }
};
template<>
struct divides<void> {
template<class _Tp, class _Up>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t, _Up&& __u) const
-> decltype(static_cast<_Tp&&>(__t) / static_cast<_Up&&>(__u))
{ return static_cast<_Tp&&>(__t) / static_cast<_Up&&>(__u); }
using is_transparent = void;
};
template<class _Tp = void>
struct modulus {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x % __y; }
};
template<>
struct modulus<void> {
template<class _Tp, class _Up>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t, _Up&& __u) const
-> decltype(static_cast<_Tp&&>(__t) % static_cast<_Up&&>(__u))
{ return static_cast<_Tp&&>(__t) % static_cast<_Up&&>(__u); }
using is_transparent = void;
};
template<class _Tp = void>
struct negate {
_LIBBASTION_NODISCARD constexpr _Tp operator()(const _Tp& __x) const { return -__x; }
};
template<>
struct negate<void> {
template<class _Tp>
_LIBBASTION_NODISCARD constexpr auto operator()(_Tp&& __t) const
-> decltype(-static_cast<_Tp&&>(__t))
{ return -static_cast<_Tp&&>(__t); }
using is_transparent = void;
};
_LIBBASTION_END_NAMESPACE_STD
#endif // _LIBBASTION_FUNCTIONAL_ARITHMETIC_H
|
