mirror of
https://github.com/love2d/love.git
synced 2026-08-15 15:51:12 +02:00
Alex Szpakowski
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/**
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* Copyright (c) 2006-2017 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_INT_H
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#define LOVE_INT_H
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// C standard sized integer types.
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#include <stdint.h>
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#define LOVE_INT8_MAX 0x7F
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#define LOVE_UINT8_MAX 0xFF
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#define LOVE_INT16_MAX 0x7FFF
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#define LOVE_UINT16_MAX 0xFFFF
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#define LOVE_INT32_MAX 0x7FFFFFFF
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#define LOVE_UINT32_MAX 0xFFFFFFFF
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#define LOVE_INT64_MAX 0x7FFFFFFFFFFFFFFF
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#define LOVE_UINT64_MAX 0xFFFFFFFFFFFFFFFF
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namespace love
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{
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typedef int8_t int8;
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typedef uint8_t uint8;
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typedef int16_t int16;
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typedef uint16_t uint16;
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typedef int32_t int32;
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typedef uint32_t uint32;
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typedef int64_t int64;
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typedef uint64_t uint64;
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static inline uint16 swapuint16(uint16 x)
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{
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return (x >> 8) | (x << 8);
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}
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static inline uint32 swapuint32(uint32 x)
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{
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return ((x & 0x000000FF) << 24) |
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((x & 0x0000FF00) << 8) |
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((x & 0x00FF0000) >> 8) |
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((x & 0xFF000000) >> 24);
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}
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static inline uint64 swapuint64(uint64 x)
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{
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return ((x << 56) & 0xFF00000000000000ULL) | ((x << 40) & 0x00FF000000000000ULL) |
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((x << 24) & 0x0000FF0000000000ULL) | ((x << 8) & 0x000000FF00000000ULL) |
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((x >> 8) & 0x00000000FF000000ULL) | ((x >> 24) & 0x0000000000FF0000ULL) |
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((x >> 40) & 0x000000000000FF00ULL) | ((x >> 56) & 0x00000000000000FFULL);
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}
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} // love
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#endif // LOVE_INT_H
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