deltaE.h

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/*
 *    This file is part of darktable,
 *    Copyright (C) 2016 johannes hanika.
 *    Copyright (C) 2016 Tobias Ellinghaus.
 *    Copyright (C) 2020 Pascal Obry.
 *    Copyright (C) 2021 Ralf Brown.
 *    Copyright (C) 2022 Martin Bařinka.
 *    
 *    darktable is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *    
 *    darktable is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *    
 *    You should have received a copy of the GNU General Public License
 *    along with darktable.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "common/darktable.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);
 
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