hmmrand.cpp

一个在线签名鉴定程序。（人工神经网络算法实现）

//hmmrand.cpp
//	Purpose: To separate out the random number generator
// 		functions so that the rest of the code can be
//		platform independent.

#include <stdlib.h>


/*
** hmmgetseed() generates an arbitary seed for the random number generator.
** for some reason ,we just return 137
*/
int  hmmgetseed(void) 
{
	return 137;
}

/* 
** hmmsetseed() sets the seed of the random number generator to a
** specific value.
*/
void hmmsetseed(int seed) 
{
	srand(seed);
}

/*
**  hmmgetrand() returns a (double) pseudo random number in the
**  interval [0,1).
*/

double hmmgetrand(void)
{
	return (double) rand()/RAND_MAX;
}