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/***********************************************/
/**
* @file angle.h
*
* @brief Angle in radians.
*
* @author Torsten Mayer-Guerr
* @date 2001-31-05
*
*/
/***********************************************/
#ifndef __GROOPS_ANGLE__
#define __GROOPS_ANGLE__
#include "base/importStd.h"
/***** CLASS ***********************************/
/** @brief Angle in radians.
* @ingroup vector3dGroup
* Its only used to distinguish between doubles and angles in input/output.
* Angle is converted from/to degrees in input/output. */
class Angle
{
Double value;
public:
explicit Angle(Double x=0.) : value(x) {} //!< Default constructor
Angle &operator=(Double x) {value=x; return *this;} //!< Assignment.
operator Double() const {return value;} //!< Cast to Double.
Angle &operator*= (Double c) {value *= c; return *this;}
Angle &operator+= (const Angle &x) {value += x.value; return *this;}
Angle &operator-= (const Angle &x) {value -= x.value; return *this;}
};
/***********************************************/
inline Angle operator- (const Angle &t) {return Angle(t) *= -1;}
inline Angle operator+ (const Angle &t1, const Angle &t2) {return Angle(t1) += t2;}
inline Angle operator- (const Angle &t1, const Angle &t2) {return Angle(t1) -= t2;}
inline Angle operator* (Double c, const Angle &t) {return Angle(t) *=c;}
inline Angle operator* (const Angle &t, Double c) {return Angle(t) *=c;}
/*************************************************/
#endif
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