math.h
//
// "$Id: math.h 8864 2011-07-19 04:49:30Z greg.ercolano $"
//
// Math header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Xcode on OS X includes files by recursing down into directories.
// This code catches the cycle and directly includes the required file.
#ifdef fl_math_h_cyclic_include
# include "/usr/include/math.h"
#endif
#ifndef fl_math_h
# define fl_math_h
# define fl_math_h_cyclic_include
# include <math.h>
# undef fl_math_h_cyclic_include
# ifdef __EMX__
# include <float.h>
# endif
# ifndef M_PI
# define M_PI 3.14159265358979323846
# define M_PI_2 1.57079632679489661923
# define M_PI_4 0.78539816339744830962
# define M_1_PI 0.31830988618379067154
# define M_2_PI 0.63661977236758134308
# endif // !M_PI
# ifndef M_SQRT2
# define M_SQRT2 1.41421356237309504880
# define M_SQRT1_2 0.70710678118654752440
# endif // !M_SQRT2
# if (defined(WIN32) || defined(CRAY)) && !defined(__MINGW32__) && !defined(__MWERKS__)
inline double rint(double v) {return floor(v+.5);}
inline double copysign(double a, double b) {return b<0 ? -a : a;}
# endif // (WIN32 || CRAY) && !__MINGW32__ && !__MWERKS__
#endif // !fl_math_h
//
// End of "$Id: math.h 8864 2011-07-19 04:49:30Z greg.ercolano $".
//
- © 1998-2012 by Bill Spitzak and others.