doom3-bfg/doomclassic/doom/m_fixed.h
2012-11-26 12:58:24 -06:00

53 lines
1.9 KiB
C

/*
===========================================================================
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
Doom 3 BFG Edition Source Code 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.
Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __M_FIXED__
#define __M_FIXED__
#ifdef __GNUG__
#pragma interface
#endif
//
// Fixed point, 32bit as 16.16.
//
#define FRACBITS 16
#define FRACUNIT (1<<FRACBITS)
typedef int fixed_t;
fixed_t FixedMul (fixed_t a, fixed_t b);
fixed_t FixedDiv (fixed_t a, fixed_t b);
fixed_t FixedDiv2 (fixed_t a, fixed_t b);
#endif