On 3/11/07, Sciss <contact@sciss.de> wrote:
mac intel. however the pix_offset help file says "When adding an
offset to each color-channel, no clipping is done. Thus you can wrap
around the color-space", so probably it behaves right, only in my
case i want to prevent wrapping ...

The PPC code does not wrap around since Altivec has saturating addition.  Maybe MMX lacks that.  I'll check when I have the time.