Math.h

Go to the documentation of this file.

#ifndef __LANG_MATH_HPP
#define __LANG_MATH_HPP

//#ifndef __LANG_OBJECT_HPP
//#include <java/lang/Object.h>
//#endif

#define _USE_MATH_DEFINES 
#include <math.h>
#include <float.h>

#include <vecmath/Export>

typedef unsigned char byte;

class Math {
public:
    static const double PI;// = M_PI;
    static const double MAXDOUBLE;// = DBL_MAX;
    static const double MINDOUBLE;// = DBL_MIN;
    static const double EPSILON;// = 1.0e-12;

    static byte abs(byte x) {
        return abs(x);
    }

    static double abs(double x) {
        return fabs(x);
    }

    static float abs(float x) {
        return fabs(x);
    }

    static byte abs(int x) {
        return abs(x);
    }

    template <class  T> static bool epsilonEquals(T f, T g = (T) 0, T e = (T) EPSILON) {
        return (f <= g) ? (f >= g - e) : (f <= g + e);
    }

    template <class  T> static T max(T x, T y) {
        return (x > y) ? x : y;
    }

    template <class  T> static T max3(T x[3]) {
        return (x[0] > x[1]) ? max(x[0], x[2]) : max(x[1], x[2]);
    }

    template <class  T> static T min(T x, T y) {
        return (x < y) ? x : y;
    }

    template <class  T> static T sqr(T f) {
        return f * f;
    }

    template <class  T> static void swap(T& x, T& y) {
        T t = x;
        x = y;
        y = t;
    }

    static double toDegrees(double angrad) {
        return (double) (angrad * (180.0 / PI));
    }

    static double toRadians(double angdeg) {
        return (double) (angdeg * (PI / 180.0));
    }
};

#endif

---