pcsx2/common/BitCast.h

30 lines
1.1 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2021 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
// An implementation of bit_cast until we get c++20
template<class T2, class T1>
T2 bit_cast(const T1& src)
{
static_assert(sizeof(T2) == sizeof(T1), "bit_cast: types must be equal size");
static_assert(std::is_pod<T1>::value, "bit_cast: source must be POD");
static_assert(std::is_pod<T2>::value, "bit_cast: destination must be POD");
T2 dst;
memcpy(&dst, &src, sizeof(T2));
return dst;
}