X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpitch-interval.cc;h=084084e4f9cf1846abc6c68c2d262aed34eb9089;hb=fa554b6115c178b466d69caa1d7d68a340e11e20;hp=f871e7e185b000df6cb1dfd8f6010a3e2c1fbfaa;hpb=827797f2d209e14f09a17017e10ea27d17db4a8e;p=lilypond.git

diff --git a/lily/pitch-interval.cc b/lily/pitch-interval.cc
index f871e7e185..084084e4f9 100644
--- a/lily/pitch-interval.cc
+++ b/lily/pitch-interval.cc
@@ -1,9 +1,20 @@
 /*
-  pitch-interval.cc -- implement Pitch_interval
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2004--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "pitch-interval.hh"
@@ -28,16 +39,23 @@ Pitch_interval::is_empty () const
   return at (LEFT) > at (RIGHT);
 }
 
-void
+Drul_array<bool>
 Pitch_interval::add_point (Pitch p)
 {
+  Drul_array<bool> expansions (false, false);
   if (at (LEFT).tone_pitch () > p.tone_pitch ())
-    at (LEFT) = p;
+    {
+      at (LEFT) = p;
+      expansions [LEFT] = true;
+    }
   if (at (RIGHT).tone_pitch () < p.tone_pitch ())
-    at (RIGHT) = p;
+    {
+      at (RIGHT) = p;
+      expansions [RIGHT] = true;
+    }
+  return expansions;
 }
 
-
 Pitch_lexicographic_interval::Pitch_lexicographic_interval (Pitch p1, Pitch p2)
 {
   at (LEFT) = p1;
@@ -56,11 +74,19 @@ Pitch_lexicographic_interval::is_empty () const
   return at (LEFT) > at (RIGHT);
 }
 
-void
+Drul_array<bool>
 Pitch_lexicographic_interval::add_point (Pitch p)
 {
+  Drul_array<bool> expansions (false, false);
   if (at (LEFT) > p)
-    at (LEFT) = p;
+    {
+      at (LEFT) = p;
+      expansions [LEFT] = true;
+    }
   if (at (RIGHT) < p)
-    at (RIGHT) = p;
+    {
+      at (RIGHT) = p;
+      expansions [RIGHT] = true;
+    }
+  return expansions;
 }