compare2

int compare2(double * a, double * b, int N, int M){
    int smaller = 0;
    int bigger = 0;
    int equal = 0;

    int i, j;
    for(i=0; i < N; i++)
        for(j=0; j < M; j++)
            if (a[i] > b[j])
                bigger++;
            else if(a[i] < b[j])
                smaller++;
            else
                equal++;

    if (equal != 0) return 0;
    if (smaller == 0) return 1;
    if (bigger == 0) return -1;

    return 0;
}