MatrixMul_shortxshort, C (gcc)

MatrixMul_shortxshort

//gcc 5.4.0

#include  <stdio.h>
short a[16][16], b[16][16]; 
int c[16][16];

int main(void)
{
 int i, j, k=500;
 int sum, tmp=16;
    
    sum = 0;
    for (i=0;i<tmp; i++) {
        for (j=0;j<tmp;j++){
            a[i][j] = j+sum;
        }
        sum = sum + tmp;
    }
    
    sum=1;
    for (i=0;i<tmp; i++) {
        for (j=0;j<tmp;j++){
            b[i][j] = j+sum;
        }
        sum = sum + tmp;
    }
    
    for (i=0;i<tmp;i++){
        for (j=0; j<tmp; j++){
            for (k=0;k<tmp;k++){
                sum = sum + a[i][k] * b[k][j];
            }
                 c[i][j] = sum; 
                 sum=0;
        }
    }        
                
    printf("Matrix A:\n");
    for (i=0;i<tmp; i++) {
        for (j=0;j<tmp;j++){
            printf("%d\t",a[i][j]);
        }
        printf("\n");
    }
    
    printf("Matrix B:\n");
    for (i=0;i<tmp; i++) {
        for (j=0;j<tmp;j++){
            printf("%d\t",b[i][j]);
        }
        printf("\n");
    }

printf("\nAxB:\n");
    for (i=0;i<tmp; i++) {
        for (j=0;j<tmp;j++){
            printf("%d\t",c[i][j]);
        }
        printf("\n");
    }
    
    return 0;
}


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