Re: [AD] 4.0.2 release

[Robert J Ohannessian <ohannessian@xxxxxxxxxx>]

Eric Botcazou wrote:
> > The attached patch should fix this problem (negative hue was not
> > treated in hsv_to_rgb(); apparantly it was introduced when a 'bug in
> > the hue blender' was fixed six weeks ago).
>
>
> Except that treating a negative hue was precisely the bug :-)
> Specifically, -epsilon which should have been treated like 0.0-60.0 was
> treated like 300.0-360.0, which was fooling the blender.

How about:

if (h < -epsilon)
  h += 6.0f;
else if (h >= -epsilon && h < 0.0f)
 h = 0.0f;

Note: Untested.