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//
// "$Id: math.h 4886 2006-03-30 09:55:32Z fabien $"
//
// The purpose of this header file is to make math.h look the same as
// Unix on other operating systems.
//
// Copyright 1998-2006 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
//
#ifndef fl_math_h
#define fl_math_h
#include <math.h>
#if defined(_WIN32) && !defined(__CYGWIN__)
/* things missing from <math.h> on Windows: */
# include <float.h>
# ifndef M_PI
# define M_PI 3.14159265358979323846
# define M_PI_2 1.57079632679489661923
# define M_PI_4 0.78539816339744830962
# define M_1_PI 0.31830988618379067154
# define M_2_PI 0.63661977236758134308
# define M_SQRT2 1.41421356237309504880
# define M_SQRT1_2 0.70710678118654752440
# endif
# define rint(v) floor((v)+.5)
# define copysign _copysign
# define drand48() ((double)rand()/RAND_MAX)
# define srand48(n) srand((n));
#endif
#ifdef __EMX__
# include <float.h>
#endif
// define missing 'f' versions of functions:
#if 1 // All systems seem to be missing rintf:
# define rintf(v) floorf((v)+.5f)
#endif
#if defined(__APPLE__) || defined(__sun__) || defined(__BORLANDC__)
# define floorf(a) ((float)floor(a))
# define ceilf(a) ((float)ceil(a))
# define fmodf(a,b) ((float)fmod(a,b))
# undef fabsf
# define fabsf(a) ((float)fabs(a))
# define sinf(a) ((float)sin(a))
# define cosf(a) ((float)cos(a))
# define tanf(a) ((float)tan(a))
# define asinf(a) ((float)asin(a))
# define acosf(a) ((float)acos(a))
# define atanf(a) ((float)atan(a))
# define atan2f(a,b) ((float)atan2(a,b))
# define expf(a) ((float)exp(a))
# define logf(a) ((float)log(a))
# define log10f(a) ((float)log10(a))
# undef sqrtf
# define sqrtf(a) ((float)sqrt(a))
#endif
#ifdef __alpha // powf is broken on alphas, at least in gcc
# define powf(a,b) ((float)pow(a,b))
#endif
#ifdef _WIN32
# define expm1f(a) ((float)expm1(a))
# define log1pf(a) ((float)log1p(a))
#endif
#endif
//
// End of "$Id: math.h 4886 2006-03-30 09:55:32Z fabien $".
//
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