//// "$Id: math.h,v 1.1.1.1 2003/08/07 21:18:38 jasonk Exp $"//// Math header file for the Fast Light Tool Kit (FLTK).//// Copyright 1998-1999 by Bill Spitzak and others.//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Library General Public// License as published by the Free Software Foundation; either// version 2 of the License, or (at your option) any later version.//// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU// Library General Public License for more details.//// You should have received a copy of the GNU Library General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307// USA.//// Please report all bugs and problems to "fltk-bugs@easysw.com".//#ifndef fl_math_h#define fl_math_h#include <math.h>#ifdef WIN32// things missing from <math.h>:#define M_PI            3.14159265358979323846#define M_PI_2          1.57079632679489661923#define M_PI_4          0.78539816339744830962#define M_1_PI          0.31830988618379067154#define M_2_PI          0.63661977236758134308#define M_SQRT2         1.41421356237309504880#define M_SQRT1_2       0.70710678118654752440#else#ifdef __EMX__#include <float.h>#endif#endif#if defined(WIN32) || defined(CRAY)inline double rint(double v) {return floor(v+.5);}inline double copysign(double a, double b) {return b<0 ? -a : a;}#endif#endif//// End of "$Id: math.h,v 1.1.1.1 2003/08/07 21:18:38 jasonk Exp $".//