23#ifndef DT_APPS_ANSEL_CHART_DELTAE_H
24#define DT_APPS_ANSEL_CHART_DELTAE_H
float dt_colorspaces_deltaE_1976(dt_aligned_pixel_t Lab0, dt_aligned_pixel_t Lab1)
float dt_colorspaces_deltaE_2000(dt_aligned_pixel_t Lab0, dt_aligned_pixel_t Lab1)
DT_ALIGNED_PIXEL float dt_aligned_pixel_t[4]