view src/libm/math.h @ 3197:434ce3242e1c

Alexei Tereschenko Why not to use hardware vertex processing instead of software one if it is available in D3D render driver? With hardware processing testsprite2 runs three times faster on all videocards which I could test.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 16 Jun 2009 14:34:15 +0000
parents 7e30c2dc7783
children f7b03b6838cb
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_stdinc.h"

/* Math routines from uClibc: http://www.uclibc.org */

#ifdef HAVE_COPYSIGN
#define copysign        SDL_uclibc_copysign
#else
#define copysign        SDL_copysign
#endif

#ifdef HAVE_COS
#define cos             SDL_uclibc_cos
#else
#define cos             SDL_cos
#endif

#ifdef HAVE_FABS
#define fabs            SDL_uclibc_fabs
#else
#define fabs            SDL_fabs
#endif

#ifdef HAVE_FLOOR
#define floor           SDL_uclibc_floor
#else
#define floor           SDL_floor
#endif

#ifndef HAVE_LOG
#define __ieee754_log   SDL_log
#endif

#ifndef HAVE_POW
#define __ieee754_pow   SDL_pow
#endif

#ifdef HAVE_SCALBN
#define scalbn          SDL_uclibc_scalbn
#else
#define scalbn          SDL_scalbn
#endif

#ifdef HAVE_SIN
#define sin             SDL_uclibc_sin
#else
#define sin             SDL_sin
#endif

#ifndef HAVE_SQRT
#define __ieee754_sqrt  SDL_sqrt
#endif

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