shithub: choc

ref: 350fb1e60c6761d7171df663035846bacc2b8fde
dir: /src/m_fixed.h/

View raw version 
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005-2014 Simon Howard
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program 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.
//
// DESCRIPTION:
//	Fixed point arithemtics, implementation.
//


#ifndef __M_FIXED__
#define __M_FIXED__




//
// 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);



#endif