ale/ale_accum.h
2022-07-30 14:46:04 -03:00

60 lines
1.7 KiB
C

// Copyright 2002, 2004 David Hilvert <dhilvert@auricle.dyndns.org>,
// <dhilvert@ugcs.caltech.edu>
/* This file is part of the Anti-Lamenessing Engine.
The Anti-Lamenessing Engine 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.
The Anti-Lamenessing Engine 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 the Anti-Lamenessing Engine; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ale_accum_h__
#define __ale_accum_h__
#include "ale_fixed.h"
#define FIXED16 4
#define FIXED32 5
/*
* Real-valued type used when accumulating over the domain of an image.
*/
#if ALE_COLORS == FIXED16
typedef ale_fixed<ale_fixed_16_accum,12> ale_accum;
#define ale_accum_enable_casting() ale_accum::enable_casting()
#define ale_accum_disable_casting() ale_accum::disable_casting()
#elif ALE_COLORS == FIXED32
typedef ale_fixed<ale_fixed_32_accum,15> ale_accum;
#define ale_accum_enable_casting() ale_accum::enable_casting()
#define ale_accum_disable_casting() ale_accum::disable_casting()
#else
typedef double ale_accum;
#define ale_accum_disable_casting()
#define ale_accum_enable_casting()
#endif
#undef FIXED32
#undef FIXED16
#endif