Linear Standard Revised

linearStandardRevised.c

vector le(vector a, float b) {
    return vector(a[0] <= b, a[1] <= b, a[2] <= b);
}

vector gt(vector a, float b) {
    return vector(a[0] > b, a[1] > b, a[2] > b);
}

color sRgbTolRgb(color standard) {
    return select(pow((standard + 0.055) / 1.055, 2.4),
                  standard / 12.92,
                  le(standard, 0.04045));
}

color lRgbTosRgb(color linear) {
    return select(pow(linear, 1.0 / 2.4) * 1.055 - 0.055,
                  linear * 12.92,
                  le(linear, 0.0031308));
}