diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/liboil/src/liboilrandom.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/liboil/src/liboilrandom.h Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,129 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2003,2004,2005 David A. Schleef + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _LIBOIL_RANDOM_H_ +#define _LIBOIL_RANDOM_H_ + +#include +#include +#include + +OIL_BEGIN_DECLS + +#ifdef OIL_ENABLE_UNSTABLE_API + +IMPORT_C void oil_random_s32(oil_type_s32 *dest, int n); +IMPORT_C void oil_random_s64 (oil_type_s64 *dest, int n); +IMPORT_C void oil_random_s16 (oil_type_s16 *dest, int n); +IMPORT_C void oil_random_s8 (oil_type_s8 *dest, int n); +IMPORT_C void oil_random_u32 (oil_type_u32 *dest, int n); +IMPORT_C void oil_random_u64 (oil_type_u64 *dest, int n); +IMPORT_C void oil_random_u16 (oil_type_u16 *dest, int n); +IMPORT_C void oil_random_u8 (oil_type_u8 *dest, int n); +IMPORT_C void oil_random_f64 (oil_type_f64 *dest, int n); +IMPORT_C void oil_random_f32 (oil_type_f32 *dest, int n); +IMPORT_C void oil_random_argb (oil_type_u32 *dest, int n); +IMPORT_C void oil_random_alpha (oil_type_u8 *dest, int n); + +/** + * oil_rand_s32: + * + * Evaluates to a random integer in the range [-(1<<31), (1<<31)-1]. + */ +#define oil_rand_s32() ((rand()&0xffff)<<16 | (rand()&0xffff)) +/** + * oil_rand_s64: + * + * Evaluates to a random integer in the range [-(1<<63), (1<<63)-1]. + */ +#define oil_rand_s64() ((int64_t)(oil_rand_s32())<<32 | oil_rand_s32()) + +/** + * oil_rand_s16: + * + * Evaluates to a random integer in the range [-(1<<15), (1<<15)-1]. + */ +#define oil_rand_s16() ((int16_t)(rand()&0xffff)) + +/** + * oil_rand_s8: + * + * Evaluates to a random integer in the range [-(1<<7), (1<<7)-1]. + */ +#define oil_rand_s8() ((int8_t)(rand()&0xffff)) + +/** + * oil_rand_u32: + * + * Evaluates to a random integer in the range [0, (1<<32)-1]. + */ +#define oil_rand_u32() ((uint32_t)((rand()&0xffff)<<16 | (rand()&0xffff))) + +/** + * oil_rand_u64: + * + * Evaluates to a random integer in the range [0, (1<<64)-1]. + */ +#define oil_rand_u64() ((uint64_t)(oil_rand_u32())<<32 | oil_rand_u32()) + +/** + * oil_rand_u16: + * + * Evaluates to a random integer in the range [0, (1<<16)-1]. + */ +#define oil_rand_u16() ((uint16_t)(rand()&0xffff)) + +/** + * oil_rand_u8: + * + * Evaluates to a random integer in the range [0, (1<<8)-1]. + */ +#define oil_rand_u8() ((uint8_t)(rand()&0xffff)) + + +/** + * oil_rand_f64: + * + * Evaluates to a random double-precision floating point number + * in the range [0, 1.0). + */ +#define oil_rand_f64() (((rand()/(RAND_MAX+1.0))+rand())/(RAND_MAX+1.0)) + +/** + * oil_rand_f32: + * + * Evaluates to a random single-precision floating point number + * in the range [0, 1.0). + */ +#define oil_rand_f32() (rand()/(RAND_MAX+1.0)) + +#endif + +OIL_END_DECLS + +#endif +