mymath.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
 *
 * 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 including the dates of first publication and
 * either this permission notice or a reference to
 * http://oss.sgi.com/projects/FreeB/
 * 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
 * SILICON GRAPHICS, INC. 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.
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 * Except as contained in this notice, the name of Silicon Graphics, Inc.
 * shall not be used in advertising or otherwise to promote the sale, use or
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 * Silicon Graphics, Inc.
 */

/*
 * mymath.h
 *
 */

#ifndef __glumymath_h_
#define __glumymath_h_

#ifdef GLBUILD
#define sqrtf		gl_fsqrt
#endif

#if defined(GLBUILD) || defined(STANDALONE)
#define M_SQRT2		1.41421356237309504880
#define ceilf		myceilf
#define floorf		myfloorf	
#define sqrtf		sqrt
extern "C" double	sqrt(double);
extern "C" float	ceilf(float);
extern "C" float	floorf(float);
#define NEEDCEILF
#endif

#ifdef LIBRARYBUILD
#include <math.h>
#endif

#if !defined sqrtf
#    define sqrtf(x)    ((float)sqrt(x))
#endif
#if !defined ceilf
#    define ceilf(x)    ((float)ceil(x))
#endif
#if !defined floorf
#    define floorf(x)   ((float)floor(x))
#endif

#endif /* __glumymath_h_ */