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/*
* Copyright � 2006-2013 SplinterGU (Fenix/Bennugd)
* Copyright � 2002-2006 Fenix Team (Fenix)
* Copyright � 1999-2002 Jos� Luis Cebri�n Pag�e (Fenix)
*
* This file is part of Bennu - Game Development
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
*/
#ifndef _FMATH_H
#define _FMATH_H
#include <math.h>
#include "bgdcore.h"
/* Rutinas matem�ticas de punto fijo, basadas en Allegro */
#ifndef M_PI
#define M_PI 3.14159265358979323846 /* PI */
#endif
#ifndef ABS
#define ABS(x) (((x) < 0) ? -(x):(x))
#endif
#ifndef SGN
#define SGN(a) (((a) < 0) ? -1 : !(a) ? 0 : 1)
#endif
typedef long int fixed ;
extern fixed ftofix( float x );
extern float fixtof( fixed x );
extern fixed itofix( int x );
extern int fixtoi( fixed x );
extern int fixceil( fixed x );
extern fixed fcos( int x );
extern fixed fsin( int x );
extern fixed fmul( int x, int y );
extern fixed fdiv( int x, int y );
extern void init_cos_tables();
#endif
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