|| || || || || || || ||

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Math.h

Go to the documentation of this file.

#ifndef Impala_Util_Math_h
#define Impala_Util_Math_h

// Wrapper file around math.h.

#include <cmath>
#include <cstdlib>    // for integer abs
#include <cfloat>

#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif

//const double sq2pi = (sqrt(2.*M_PI));

namespace Impala
{


template<class T>
inline bool
IsNan(T x)
{
#ifdef WIN32
    return _isnan(x) ? true : false;
#else
    return isnan(x) ? true : false;
#endif
}

} // namespace Impala

#endif

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