Math.h

/***************************************************************************
 *   This file is part of OpenCAL: Open Computer Animation Library         *
 *   I created OpenCAL as my master's thesis Computer Science (multimedia) *
 *   at the tUL university in Diepenbeek, Belgium                          *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Jeroen Dierckx                             *
 *   jeroen.dierckx@student.luc.ac.be                                      *
 *                                                                         *
 ***************************************************************************/

#ifndef OPENCAL_UTILS_MATH_H
#define OPENCAL_UTILS_MATH_H

// Includes
//#include <OpenCAL/global.h>

namespace OpenCAL
{
    namespace Utils
    {
        class OPENCAL_API Math
        {
        public:
            // Static constants
            static const float pi = 3.1415926535898f;
            static const float halfPi = 1.5707963267949f;
            static const float doublePi = 6.2831853071796f;

            static const float verySmall = 0.0000001f;

            // Static functions
            static float radToDeg(float radians) { return radians * 57.2957795f; }
            static float degToRad(float degrees) { return degrees * 0.0174532925f; }

            static bool isZero(float number) { return (number == 0.0f); }
            static bool isZero(float number, float tolerance) { return (number >= -tolerance && number <= tolerance); }
            static bool isBetween(float number, float min, float max) { return (number >= min && number <= max); }

            static float squared(float number) { return number * number; }
        };
    }
}

#endif // OPENCAL_UTILS_MATH_H

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