private void StampOutHistogram(float[,] histogram, float[,] stamp, double[] xArr, double[] yArr, CustomCancellationToken token) { for (int p = 0; p < xArr.Length; p++) { ThreadingHelper.CheckCanceled(token); int x = (int)xArr[p]; int y = (int)yArr[p]; Stamp(histogram, stamp, x, y); } }