X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Foptimal-page-breaking.cc;h=f495ab7fa6b6b23d84b21955dfd19598fad3e7ea;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=64a056aaba79aeade56a5f3b54db07e03ca9cb45;hpb=9e7b53f94e1e3bd7b3f7a14ba11a6cae6c8e9a73;p=lilypond.git

diff --git a/lily/optimal-page-breaking.cc b/lily/optimal-page-breaking.cc
index 64a056aaba..f495ab7fa6 100644
--- a/lily/optimal-page-breaking.cc
+++ b/lily/optimal-page-breaking.cc
@@ -5,7 +5,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2006--2007 Joe Neeman <joeneeman@gmail.com>
+  (c) 2006--2008 Joe Neeman <joeneeman@gmail.com>
 */
 
 #include "international.hh"
@@ -63,9 +63,16 @@ Optimal_page_breaking::solve ()
   
       if (page_count > 1 && best.systems_per_page_[page_count - 2] > 1)
 	min_sys_count -= best.systems_per_page_[page_count - 2];
+
+      min_sys_count = max (min_sys_count, (vsize)1);
     }
   else
-    best = space_systems_on_n_pages (0, page_count, first_page_num);
+    {
+      /* todo: the following line will spit out programming errors if the
+	 ideal line spacing doesn't fit on PAGE_COUNT pages */
+      best = space_systems_on_n_pages (0, page_count, first_page_num);
+      min_sys_count = page_count;
+    }
 
   if (page_count == 1)
     message (_ ("Fitting music on 1 page..."));
@@ -86,7 +93,7 @@ Optimal_page_breaking::solve ()
 	  vsize min_p_count = min_page_count (i, first_page_num);
 	  Page_spacing_result cur;
 
-	  if (min_p_count == page_count)
+	  if (min_p_count == page_count || scm_is_integer (forced_page_count))
 	    cur = space_systems_on_n_pages (i, page_count, first_page_num);
 	  else
 	    cur = space_systems_on_n_or_one_more_pages (i, page_count-1, first_page_num);