src/libm/math.h
changeset 2756 a98604b691c8
child 2759 95fccd9bf262
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/libm/math.h	Mon Sep 15 06:33:23 2008 +0000
     1.3 @@ -0,0 +1,44 @@
     1.4 +/*
     1.5 +    SDL - Simple DirectMedia Layer
     1.6 +    Copyright (C) 1997-2006 Sam Lantinga
     1.7 +
     1.8 +    This library is free software; you can redistribute it and/or
     1.9 +    modify it under the terms of the GNU Lesser General Public
    1.10 +    License as published by the Free Software Foundation; either
    1.11 +    version 2.1 of the License, or (at your option) any later version.
    1.12 +
    1.13 +    This library is distributed in the hope that it will be useful,
    1.14 +    but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 +    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    1.16 +    Lesser General Public License for more details.
    1.17 +
    1.18 +    You should have received a copy of the GNU Lesser General Public
    1.19 +    License along with this library; if not, write to the Free Software
    1.20 +    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    1.21 +
    1.22 +    Sam Lantinga
    1.23 +    slouken@libsdl.org
    1.24 +*/
    1.25 +#include "SDL_config.h"
    1.26 +
    1.27 +#ifdef HAVE_MATH_H
    1.28 +#include <math.h>
    1.29 +#else
    1.30 +
    1.31 +extern double __ieee754_log(double x);
    1.32 +extern double __ieee754_pow(double x, double y);
    1.33 +extern double __ieee754_sqrt(double x);
    1.34 +
    1.35 +#define log(x)      __ieee754_log(x)
    1.36 +#define pow(x, y)   __ieee754_pow(x, y)
    1.37 +#define sqrt(x)     __ieee754_sqrt(x)
    1.38 +
    1.39 +extern double copysign(double x, double y);
    1.40 +extern double cos(double x);
    1.41 +extern double fabs(double x);
    1.42 +extern double scalbn(double x, int n);
    1.43 +extern double sin(double x);
    1.44 +
    1.45 +#endif /* HAVE_MATH_H */
    1.46 +
    1.47 +/* vi: set ts=4 sw=4 expandtab: */