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extern/bullet2/src/LinearMath/btRandom.h
| /* | /* | ||||
| Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/ | Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/ | ||||
| This software is provided 'as-is', without any express or implied warranty. | This software is provided 'as-is', without any express or implied warranty. | ||||
| In no event will the authors be held liable for any damages arising from the use of this software. | In no event will the authors be held liable for any damages arising from the use of this software. | ||||
| Permission is granted to anyone to use this software for any purpose, | Permission is granted to anyone to use this software for any purpose, | ||||
| including commercial applications, and to alter it and redistribute it freely, | including commercial applications, and to alter it and redistribute it freely, | ||||
| subject to the following restrictions: | subject to the following restrictions: | ||||
| 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. | 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. | ||||
| 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. | ||||
| 3. This notice may not be removed or altered from any source distribution. | 3. This notice may not be removed or altered from any source distribution. | ||||
| */ | */ | ||||
| #ifndef BT_GEN_RANDOM_H | #ifndef BT_GEN_RANDOM_H | ||||
| #define BT_GEN_RANDOM_H | #define BT_GEN_RANDOM_H | ||||
| #ifdef MT19937 | #ifdef MT19937 | ||||
| #include <limits.h> | #include <limits.h> | ||||
| #include <mt19937.h> | #include <mt19937.h> | ||||
| #define GEN_RAND_MAX UINT_MAX | #define GEN_RAND_MAX UINT_MAX | ||||
| SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { init_genrand(seed); } | SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { init_genrand(seed); } | ||||
| SIMD_FORCE_INLINE unsigned int GEN_rand() { return genrand_int32(); } | SIMD_FORCE_INLINE unsigned int GEN_rand() { return genrand_int32(); } | ||||
| #else | #else | ||||
| #include <stdlib.h> | #include <stdlib.h> | ||||
| #define GEN_RAND_MAX RAND_MAX | #define GEN_RAND_MAX RAND_MAX | ||||
| SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { srand(seed); } | SIMD_FORCE_INLINE void GEN_srand(unsigned int seed) { srand(seed); } | ||||
| SIMD_FORCE_INLINE unsigned int GEN_rand() { return rand(); } | SIMD_FORCE_INLINE unsigned int GEN_rand() { return rand(); } | ||||
| #endif | #endif | ||||
| #endif //BT_GEN_RANDOM_H | #endif //BT_GEN_RANDOM_H | ||||