#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#define H_col  1024                      //校驗(yàn)矩陣的列數(shù)
#define H_row  512                       //校驗(yàn)矩陣的行數(shù)
#define MAX_cycle 20                     //最大迭代次數(shù)
#define PI 3.14159265358979322384626433832795
#define Hmax_rowdeg 6                    //校驗(yàn)節(jié)點(diǎn)最大度數(shù)
#define Hmax_coldeg 3                    //變量節(jié)點(diǎn)最大度數(shù)
#define	Clength sizeof(char)*8        
#define SIMULATION_BLOCK_NUM 2000         //仿真分組數(shù)