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#ifndef GeometryVector_Geom_Theta_h
#define GeometryVector_Geom_Theta_h
namespace Geom {
/** A class for polar angle represantation.
* So far only useful to differentiate from double, for
* example in function overloading.
*/
template <class T>
class Theta {
public:
/// Default constructor does not initialise - just as double.
Theta() {}
/// Constructor from T, does not provide automatic conversion.
explicit Theta(const T& val) : theValue(val) {}
/// conversion operator makes transparent use possible.
operator T() const { return theValue; }
/// Explicit access to value in case implicit conversion not OK
T value() const { return theValue; }
private:
T theValue;
};
} // namespace Geom
#endif
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