message: EV100 formula typo
  Forgot the parenthesis when I corrected it, I'm sorry...
diff: @@ -2932,7 +2932,7 @@ float exposureSettings(float aperture, float shutterSpeed, float sensitivity) {
  // Computes the exposure normalization factor from
  // the camera's EV100
  float exposure(ev100) {
  - return 1.0 / pow(2.0, ev100) * 1.2;
  + return 1.0 / (pow(2.0, ev100) * 1.2);
  }
  float ev100 = exposureSettings(aperture, shutterSpeed, sensitivity);
  