lily/pitch-interval.cc

   1 /*
   2   pitch-interval.cc --  implement Pitch_interval
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
   7
   8 */
   9
  10 #include "pitch-interval.hh"
  11
  12 #include "interval.tcc"
  13
  14 Pitch_interval::Pitch_interval (Pitch p1, Pitch p2)
  15 {
  16   elem_ref(LEFT) =  p1;
  17   elem_ref(RIGHT) =  p2;
  18 }
  19
  20
  21 Pitch_interval::Pitch_interval ()
  22 {
  23   elem_ref(LEFT) =  Pitch (100,0,0);
  24   elem_ref(RIGHT) =  Pitch (-100,0,0);
  25 }
  26
  27
  28 bool
  29 Pitch_interval::is_empty () const
  30 {
  31   return elem(LEFT) > elem(RIGHT);
  32 }
  33
  34
  35 void
  36 Pitch_interval::add_point (Pitch p)
  37 {
  38   if (elem_ref(LEFT) >  p)
  39     elem_ref(LEFT) = p;
  40   if (elem_ref(RIGHT) < p)
  41     elem_ref(RIGHT) = p;
  42 }