gauss.c

来自「VC程序实现数据的自适应滤波」· C语言 代码 · 共 21 行

double uniform(double a,double b,long int *seed)
{
	double t;
	*seed=2045*(*seed)+1;
	*seed=*seed-(*seed/1048576)*1048576;
	t=(*seed)/1048576.0;
	t=a+(b-a)*t;
	return(t);
}

double gauss(double mean,double sigma,long int *s)
{
	int i;double x,y;
	double uniform();
	for(x=0,i=0;i<12;i++)
		x+=uniform(0.0,1.0,s);
	x=x-6.0;
	y=mean+x*sigma;
	return(y);
}