message: rgb-spectrum will always have three components
diff: @@ -404,7 +404,6 @@ VSNRAY_FUNC
  inline vector<3, T> to_rgb(spectrum<T> const& s)
  {
  #if VSNRAY_SPECTRUM_RGB
  - static_assert( spectrum<T>::num_samples == 3, "Incompatible num samples" );
  return s.samples();
  #else
  static_assert( spectrum<T>::num_samples > 1, "Incompatible num samples" );
  