[PATCH] xrandr: fix brightness to prevent gamma to overflow and to allow 0

[Matthias Hopf]

On Jan 10, 10 00:25:34 +0100, Eric Piel wrote:
> This fix the behaviour of brightness for 0 and values above 1. You can
> still can funky display with negative values so all is safe ;-)

Nice, but fmin() is unknown unless compiled as c99 source (which we
probably want to avoid).
I would suggest using

static inline double min (double x, double y)
{
  return x < y ? x : y;
}

instead.

Matthias

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