SCM ly_pitch_transpose (SCM p, SCM delta);
DECLARE_UNSMOB(Pitch,pitch);
-#include "compare.hh"
INSTANTIATE_COMPARE (Pitch, Pitch::compare);
int compare (Array<Pitch>*, Array<Pitch>*);
extern SCM pitch_less_proc;
-Pitch interval (Pitch const & from , Pitch const & to );
+Pitch pitch_interval (Pitch const & from , Pitch const & to );
#endif /* MUSICAL_PITCH_HH */