* lily/include/lily-guile.hh: is_x -> ly_c_X_p naming.

[lilypond.git] / lily / cluster-engraver.cc

diff --git a/lily/cluster-engraver.cc b/lily/cluster-engraver.cc
index 52f14cdfba457ac90fcfc9f4fb0ae9ab4ff8b018..391d3fbd133e408dd1df864bd78236897448eeed 100644 (file)
--- a/lily/cluster-engraver.cc
+++ b/lily/cluster-engraver.cc
@@ -82,7 +82,7 @@ Cluster_spanner_engraver::process_music ()
     {
       SCM c0scm = get_property ("middleCPosition");
 
-      int c0 =  is_number (c0scm) ? ly_scm2int (c0scm) : 0;
+      int c0 =  ly_c_number_p (c0scm) ? ly_scm2int (c0scm) : 0;
       int pmax = INT_MIN;
       int pmin = INT_MAX;