X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmisc.cc;h=773e4ecad83c4e9d7053af8cebe1f129122b6c0d;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=f104f98baa7be06dc611011d5995d97bddb72fb5;hpb=82bc9ad690e201aaa55694f8b92261ae7338f56a;p=lilypond.git

diff --git a/lily/misc.cc b/lily/misc.cc
index f104f98baa..773e4ecad8 100644
--- a/lily/misc.cc
+++ b/lily/misc.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
@@ -30,7 +30,8 @@
 int
 intlog2 (int d)
 {
-  assert (d);
+  if (d <= 0)
+    error ("intlog2 with negative argument: " + ::to_string (d));
   int i = 0;
   while ((d != 1))
     {