expand_zf.cpp

将wimax结构化表示转为校验矩阵

#include "parameter.h"
#include "head.h"
/*1/2 3/4A and B 2/3B use this expand form*/
int expand_zf(int a, double zf){
	int b;
    if (a>0) 
     b=floor(a*zf/z0);
	return b;
}