/*
offset.hh -- part of GNU LilyPond
- (c) 1996--2007 Han-Wen Nienhuys
+ (c) 1996--2008 Han-Wen Nienhuys
*/
#ifndef OFFSET_HH
return *this;
}
Offset direction () const;
+ Offset swapped () const;
Real arg () const;
+ Real angle_degrees () const;
Real length () const;
bool is_sane () const;
Offset operator *= (Offset z2);