Function variance_array

yolo_detector/darknet_opt/src/utils.c:511–519

}

float variance_array(float *a, int n)
{
    int i;
    float sum = 0;
    float mean = mean_array(a, n);
    for(i = 0; i < n; ++i) sum += (a[i] - mean)*(a[i]-mean);
    float variance = sum/n;
    return variance;
}

int constrain_int(int a, int min, int max)
{