49 #endif // vcsl_degree_h_ static vcsl_degree_sptr instance()
Return the reference to the unique vcsl_degree object.
~vcsl_degree() override=default
A unit associated to the angle dimension.
Abstract unit associated to the angle dimension.
double units_per_standard_unit() const override
Returns the number of units of ‘this’ equal of the standard_unit for the dimension.
Abstract unit associated to the angle dimension.