Go to the documentation of this file. 38 #ifndef WCSLIB_WCSMATH 39 #define WCSLIB_WCSMATH 61 #define PI 3.141592653589793238462643 64 #define SQRT2 1.4142135623730950488 65 #define SQRT2INV 1.0/SQRT2 71 #define UNDEFINED 987654321.0e99 72 #define undefined(value) (value == UNDEFINED) 74 #endif // WCSLIB_WCSMATH