FromSrgbToLinear  386 butteraugli_main.cc   FromSrgbToLinear(rgb1, linear1, 0);
FromSrgbToLinear  387 butteraugli_main.cc   FromSrgbToLinear(rgb2, linear2, 0);
FromSrgbToLinear  399 butteraugli_main.cc     FromSrgbToLinear(rgb1, linear1, 255);
FromSrgbToLinear  400 butteraugli_main.cc     FromSrgbToLinear(rgb2, linear2, 255);