ref: 98c5db93f272e1068bc02a3e408737412f207aaa
dir: /DoConfig/fltk/FL/math.h/
// // "$Id$" // // 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 "$Id$". //