Converting back and forth Lab <-> ProphotoRGB produces slight magenta shift

heckflosse · September 26, 2018, 9:05pm

If you need to dive into SSE coding, you may also have a look at this files:

Beep6581/RawTherapee/blob/dev/rtengine/helpersse2.h

////////////////////////////////////////////////////////////////
//
//  this code was taken from http://shibatch.sourceforge.net/
//  Many thanks to the author of original version: Naoki Shibata
//
//   Copyright Naoki Shibata and contributors 2010 - 2021.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file sleef_LICENSE.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
//
//  This version contains modifications made by Ingo Weyrich
//
////////////////////////////////////////////////////////////////

#ifndef __SSE2__
#error Please specify -msse2.
#endif

#ifdef __GNUC__
#define INLINE __inline

This file has been truncated. show original

https://github.com/Beep6581/RawTherapee/blob/dev/rtengine/sleefsseavx.c