chromium/third_party/pdfium/third_party/lcms/src/cmshalf.c

//---------------------------------------------------------------------------------
//
//  Little Color Management System
//  Copyright (c) 1998-2023 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
//
#include "lcms2_internal.h"

#ifndef CMS_NO_HALF_SUPPORT 

// This code is inspired in the paper "Fast Half Float Conversions"
// by Jeroen van der Zijp

static const cmsUInt32Number Mantissa[2048] = …;

static const cmsUInt16Number Offset[64] = …;

static const cmsUInt32Number Exponent[64] = …;

static const cmsUInt16Number Base[512] = …;

static const cmsUInt8Number Shift[512] = …;

cmsFloat32Number CMSEXPORT _cmsHalf2Float(cmsUInt16Number h)
{ … }

cmsUInt16Number CMSEXPORT _cmsFloat2Half(cmsFloat32Number flt)
{ … }

#endif