X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fncmul.h;h=03b47ca7ae119c9337a31045f0c509469265ba7b;hp=458c5ecc159e6fa79b34da327e5b94751b3f4b1d;hb=8bcccf834ad41e94a1a4f3a0304c2945b228b4f4;hpb=487e5659efe401683eee0381b0d23f967ffffc3c

diff --git a/ginac/ncmul.h b/ginac/ncmul.h
index 458c5ecc..03b47ca7 100644
--- a/ginac/ncmul.h
+++ b/ginac/ncmul.h
@@ -25,6 +25,8 @@
 
 #include <ginac/exprseq.h>
 
+namespace GiNaC {
+
 /** Non-commutative product of expressions. */
 class ncmul : public exprseq
 {
@@ -106,7 +108,12 @@ extern type_info const & typeid_ncmul;
 ex nonsimplified_ncmul(exvector const & v);
 ex simplified_ncmul(exvector const & v);
 
-#define ex_to_ncmul(X) static_cast<ncmul const &>(*(X).bp)
+// utility functions
+inline const ncmul &ex_to_ncmul(const ex &e)
+{
+	return static_cast <const ncmul &>(*e.bp);
+}
+
+} // namespace GiNaC
 
 #endif // ndef __GINAC_NCMUL_H__
-