Arri_to_Cin_prep.dctl

// Arri Linear to Cineon Linear Prep 

__DEVICE__ float3 transform(int p_Width, int p_Height, int p_X, int p_Y, float p_R, float p_G, float p_B)
{

    const float r = p_R > 1.0f ? _powf(p_R, 0.6496465358f) : (p_R < 0.0f ? _powf(_fabs(p_R), 1.2756188918f) * -1.0f : p_R);
    
    const float g = p_G > 1.0f ? _powf(p_G, 0.6496465358f) : (p_G < 0.0f ? _powf(_fabs(p_G), 1.2756188918f) * -1.0f : p_G);
    
    const float b = p_B > 1.0f ? _powf(p_B, 0.6496465358f) : (p_B < 0.0f ? _powf(_fabs(p_B), 1.2756188918f) * -1.0f : p_B);

    return make_float3(r, g, b);

}