- color[0] = pow(color[0], reff/system);
- color[1] = pow(color[1], reff/system);
- color[2] = pow(color[2], reff/system);
+ if (reff == system)
+ return;
+
+ float tmp = reff/system;
+ color[0] = pow(color[0], tmp);
+ color[1] = pow(color[1], tmp);
+ color[2] = pow(color[2], tmp);