#include "nvimage.h" namespace nv { class FloatImage; float rmsColorError(const FloatImage * img, const FloatImage * ref, bool alphaWeight); float rmsAlphaError(const FloatImage * img, const FloatImage * ref); float cieLabError(const FloatImage * img, const FloatImage * ref); float spatialCieLabError(const FloatImage * img, const FloatImage * ref); } // nv namespace