globals.h

#ifndef GLOBS_H_
#define GLOBS_H_

namespace kf_player
{
    const double PI = 3.1415926535897932384626433832795;
    const double PI2 = 1.5707963267948965579989817342721;
    const double SPI = 1.7724538509055160272981674833411; // sqrt of pi
    const double EPSILON = 0.000001;

    template <typename T>
    inline T sgn(const T a) { return (a == 0 ? 0 : a < 0 ? -1 : 1); }
    inline double picut(double x) { return  x < 0 ? fmod(x-PI, 2*PI)+PI : fmod(x+PI, 2*PI)-PI;}
    }
#endif /* GLOBS_H_ */