Function sRGBmap

test_common/harness/imageHelpers.cpp:36–56

cl_device_type gDeviceType = CL_DEVICE_TYPE_DEFAULT;
bool gTestRounding = false;
double sRGBmap(float fc)
{
    double c = (double)fc;

#if !defined(_WIN32)
    if (std::isnan(c)) c = 0.0;
#else
    if (_isnan(c)) c = 0.0;
#endif

    if (c > 1.0)
        c = 1.0;
    else if (c < 0.0)
        c = 0.0;
    else if (c < 0.0031308)
        c = 12.92 * c;
    else
        c = (1055.0 / 1000.0) * pow(c, 5.0 / 12.0) - (55.0 / 1000.0);

    return c * 255.0;
}

double sRGBunmap(float fc)
{