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/** @file random.h
** @brief Random
** @author Andrea Vedaldi
**/
/* AUTORIGHTS
Copyright (C) 2007-09 Andrea Vedaldi and Brian Fulkerson
This file is part of VLFeat, available in the terms of the GNU
General Public License version 2.
*/
#ifndef VL_RANDOM_H
#define VL_RANDOM_H
#include "generic.h"
/** @name Setting and reading the state
**
** @{ */
VL_EXPORT void vl_rand_set_state (vl_uint32 const state [625]) ;
VL_EXPORT void vl_rand_get_state (vl_uint32 *state) ;
VL_EXPORT void vl_rand_seed (vl_uint32 s) ;
VL_EXPORT void vl_rand_seed_by_array (vl_uint32 const init_key [], int key_length) ;
/** @} */
/** @name Generate random numbers
**
** @{ */
VL_EXPORT vl_uint32 vl_rand_uint32 () ;
VL_EXPORT vl_int32 vl_rand_int31 () ;
VL_EXPORT double vl_rand_real1 () ;
VL_EXPORT double vl_rand_real2 () ;
VL_EXPORT double vl_rand_real3 () ;
VL_EXPORT double vl_rand_res53 () ;
/** @} */
/* VL_RANDOM_H */
#endif
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