Function sample_array

yolo_detector/darknet_opt/src/utils.c:589–600

}

int sample_array(float *a, int n)
{
    float sum = sum_array(a, n);
    scale_array(a, n, 1./sum);
    float r = rand_uniform(0, 1);
    int i;
    for(i = 0; i < n; ++i){
        r = r - a[i];
        if (r <= 0) return i;
    }
    return n-1;
}

int max_int_index(int *a, int n)
{