Linear Standard RGB Conversions

linearStandard.c

color sRgbTolRgb(color standard) {
    float sr = standard[0];
    float sg = standard[1];
    float sb = standard[2];

    return color(
        select(pow((sr + 0.055) / 1.055, 2.4), sr / 12.92, sr <= 0.04045),
        select(pow((sg + 0.055) / 1.055, 2.4), sg / 12.92, sg <= 0.04045),
        select(pow((sb + 0.055) / 1.055, 2.4), sb / 12.92, sb <= 0.04045));
}

color lRgbTosRgb(color linear) {
    float lr = linear[0];
    float lg = linear[1];
    float lb = linear[2];

    return color(
       select(pow(lr, 1.0 / 2.4) * 1.055 - 0.055, lr * 12.92, lr <= 0.0031308),
       select(pow(lg, 1.0 / 2.4) * 1.055 - 0.055, lg * 12.92, lg <= 0.0031308),
       select(pow(lb, 1.0 / 2.4) * 1.055 - 0.055, lb * 12.92, lb <= 0.0031308));
}