X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcustos.cc;h=ae32e8562b671052ce440a2502b5d1829f63d0bd;hb=aa23e460ca96734a29387c163e75db4f3980d13f;hp=515e04f761f76b285b7ce8de638dfc3cc6b81889;hpb=108cf0e8c08c8e15e2a800feb161cfad9057daa8;p=lilypond.git

diff --git a/lily/custos.cc b/lily/custos.cc
index 515e04f761..ae32e8562b 100644
--- a/lily/custos.cc
+++ b/lily/custos.cc
@@ -14,7 +14,8 @@
 */
 
 #include <cstdio>
-#include <math.h> // rint
+#include <cmath> // rint
+using namespace std;
 
 #include "custos.hh"
 #include "direction.hh"