gmconst.h

This contains Graphic gems code

// gmConst.h - graphics math constants
//
// libgm++: Graphics Math Library
// Ferdi Scheepers and Stephen F May
// 15 June 1994

#ifndef GMCONST_H
#define GMCONST_H

// USEFUL CONSTANTS

double const gm2PI =       6.28318530717958623200;
double const gmDEGTORAD =  0.01745329251994329547;
double const gmE =         2.71828182845904553488;
double const gmEEXPPI =   23.14069263277927390732;
double const gmGOLDEN =    1.61803398874989490253;
double const gmINVPI =     0.31830988618379069122;
double const gmLN10 =      2.30258509299404590109;
double const gmLN2 =       0.69314718055994528623;
double const gmLOG10E =    0.43429448190325187218;
double const gmLOG2E =     1.44269504088896338700;
double const gmPI =        3.14159265358979323846;
double const gmPIDIV2 =    1.57079632679489655800;
double const gmPIDIV4 =    0.78539816339744827900;
double const gmRADTODEG = 57.29577951308232286465;
double const gmSQRT2 =     1.41421356237309514547;
double const gmSQRT2PI =   2.50662827463100024161;
double const gmSQRT3 =     1.73205080756887719318;
double const gmSQRT10 =    3.16227766016837952279;
double const gmSQRTE =     1.64872127070012819416;
double const gmSQRTHALF =  0.70710678118654757274;
double const gmSQRTLN2 =   0.83255461115769768821;
double const gmSQRTPI =    1.77245385090551588192;
double const gmEPSILON =   1.0e-10;
double const gmGOOGOL =    1.0e50;

#endif