krislibrary/krislibrary_docs/infnan_8h_source.html

 #ifndef MATH_INFNAN_H
 #define MATH_INFNAN_H

 #if defined (__APPLE__) || defined (MACOSX)
 #include "/usr/include/math.h"
 #else
 #include <math.h>
 #endif

 #ifndef INFINITY
   #include <limits>
 #endif //INFINITY

 namespace Math {


 #ifdef INFINITY
   const static double dInf = INFINITY;
   const static float fInf = INFINITY;
 #else
   const static double dInf = std::numeric_limits<double>::infinity();
   const static float fInf = std::numeric_limits<float>::infinity();
 #endif // INFINITY


 int IsNaN(double x);
 int IsNaN(float x);
 int IsFinite(double x);
 int IsFinite(float x);
 int IsInf(double x);
 int IsInf(float x);

 } //namespace Math

 #endif
math.h
Common math typedefs, constants, functions.

Math::IsInf
int IsInf(double x)
Returns +1 if x is +inf, -1 if x is -inf, and 0 otherwise.
Definition: infnan.cpp:92

Math::IsNaN
int IsNaN(double x)
Returns nonzero if x is not-a-number (NaN)
Definition: infnan.cpp:61

Math
Contains all definitions in the Math package.
Definition: WorkspaceBound.h:12

Math::IsFinite
int IsFinite(double x)
Returns nonzero unless x is infinite or a NaN.
Definition: infnan.cpp:75