rvrandomgenerator.c

来自「基于h323协议的软phone」· C语言 代码 · 共 34 行

/***********************************************************************
Filename   : rvrandomgenerator.c
Description: Random number generator
************************************************************************
        Copyright (c) 2001 RADVISION Inc. and RADVISION Ltd.
************************************************************************
NOTICE:
This document contains information that is confidential and proprietary
to RADVISION Inc. and RADVISION Ltd.. No part of this document may be
reproduced in any form whatsoever without written prior approval by
RADVISION Inc. or RADVISION Ltd..

RADVISION Inc. and RADVISION Ltd. reserve the right to revise this
publication and make changes without obligation to notify any person of
such revisions or changes.
***********************************************************************/
#include "rvrandomgenerator.h"

RVCOREAPI RvStatus RVCALLCONV
RvRandomGeneratorConstruct(IN RvRandomGenerator* r, IN RvRandom seed)
{
	r->state = seed;  
	return RV_OK;
}

RVCOREAPI RvStatus RVCALLCONV
RvRandomGeneratorGetValue(IN RvRandomGenerator* r, OUT RvRandom* value)
{
    r->state = r->state * 1103515245 + 12345;
    *value = (r->state & RV_RAND_MAX);
    
    return RV_OK;
}