#include "matrix.h"
#ifndef _NO_NAMESPACE
using namespace std;
using namespace math;
#define STD std
#else
#define STD
#endif
#ifndef _NO_TEMPLATE
typedef matrix<double> Matrix;
#else
typedef matrix Matrix;
#endif
#include <stdio.h>
#include <stdlib.h>
void main()
{
FILE *fp;
Matrix A(3,5),B(5,5),C(5,3),D(3,3);
int i,j;
float f;
if((fp=fopen("1.txt","r"))==NULL)
{
printf("this file can't be open\n");
exit(0) ;
}
for(i=0;i<3;i++)
{
for(j=0;j<5;j++)
{
fscanf(fp,"%f",&f);
A(i,j)=f;
}
}
fclose(fp);
if((fp=fopen("2.txt","r"))==NULL)
{
printf("this file can't be open\n");
exit(0) ;
}
for(i=0;i<5;i++)
{
for(j=0;j<5;j++)
{
fscanf(fp,"%f",&f);
B(i,j)=f;
}
}
fclose(fp);
if((fp=fopen("3.txt","r"))==NULL)
{
printf("this file can't be open\n");
exit(0) ;
}
for(i=0;i<5;i++)
{
for(j=0;j<3;j++)
{
fscanf(fp,"%f",&f);
C(i,j)=f;
}
}
fclose(fp);
D=A*B*C;
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
printf("%f\t",D(i,j));
}
printf("\n");
}
}
