// // "$Id" // // Math header file for the Fast Light Tool Kit (FLTK). // // Copyright 1998 by Bill Spitzak and others. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA. // // Please report all bugs and problems to "fltk-bugs@easysw.com". // #include #ifdef WIN32 // things missing from : #define M_PI 3.14159265358979323846 #define M_PI_2 1.57079632679489661923 #define M_PI_4 0.78539816339744830962 #define M_1_PI 0.31830988618379067154 #define M_2_PI 0.63661977236758134308 #define M_SQRT2 1.41421356237309504880 #define M_SQRT1_2 0.70710678118654752440 #else #ifdef __EMX__ #include #endif #endif #if defined(WIN32) || defined(CRAY) inline double rint(double v) {return floor(v+.5);} inline double copysign(double a, double b) {return b<0 ? -a : a;} #endif // // End of "$Id: math.h,v 1.2 1998/10/19 21:39:27 mike Exp $". //