mm_int_blas

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <cblas.h>

#define N 1200


void fill_matrices(int first[][N], int second[][N], int result[][N])
{
    srand(time(NULL)); // randomize seed
    for (int i = 0; i < N; i++){
        for (int j = 0; j < N; j++){
            first[i][j] = rand() % 10;
            second[i][j] = rand() % 10;
            result[i][j] = 0;
        }
    }
}

int main()
{
    int first[N][N], second[N][N], result[N][N];
    fill_matrices(first, second, result);

    cblas_dgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, N, N, N, 1.0, first, N, second, N, 0.0, result, N);

    return 0;
}