I wrote:
> >>>> 2 ** (31-20) ** 0.5 > 9.9633077752473778 > > A pixel difference of 10 across the 1 megapixel image will wrap the sum > and crash. But now I've read it and it looks like it should have been >>> (2 ** (31-20)) ** 0.5 45.254833995939045 So, not so bad, but nonetheless a problem. douglas _______________________________________________ Image-SIG maillist - Image-SIG@python.org http://mail.python.org/mailman/listinfo/image-sig