test_girth.cpp

用于测试LDPC码校验矩阵围线长度的c++代码

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#include "CyclesOfGraph.h"

int main
( int argc,
  char **argv
)
{
	char *file,junk;
	FILE *f;
	int M,N;
	int **H;
	int i,j;
	CyclesOfGraph *cog;


    if (!(file = argv[1])
		|| sscanf(argv[2],"%d%c",&M,&junk)!=1
        || sscanf(argv[3],"%d%c",&N,&junk)!=1)
	{ //usage();
	}

	f = fopen(file,"rb");

	if (f==NULL) 
	{
		fprintf(stderr,"Can't open parity check file: %s\n",file);
		exit(1);
	}

	H = (int**)calloc (M,sizeof *H);

    for(i=0;i<M;i++)
	{
		H[i]=(int*)calloc (N,sizeof *H[i]);
	}
     
	for(i=0;i<M;i++)
	{
		for(j=0;j<N;j++)
		{
			fscanf(f,"%d ",&H[i][j]);
		}
	}
/*
	for(i=0;i<M;i++)
	{
		for(j=0;j<N;j++)
		{
			printf("%d ",H[i][j]);
		}
		printf("\n");
	}
*/

	cog=new CyclesOfGraph(M, N, H);

	(*cog).getCyclesTable();
    (*cog).printCyclesTable();

	delete cog;
    cog=NULL;




return 0;




}