X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Florentzidx.h;h=1a429021ef9abb0cc2550c0c13143ccbca47b393;hp=7fc2a05def876c699581f2970f4bc2c2a90f7d9e;hb=9eab44408b9213d8909b7a9e525f404ad06064dd;hpb=487e5659efe401683eee0381b0d23f967ffffc3c;ds=sidebyside

diff --git a/ginac/lorentzidx.h b/ginac/lorentzidx.h
index 7fc2a05d..1a429021 100644
--- a/ginac/lorentzidx.h
+++ b/ginac/lorentzidx.h
@@ -27,6 +27,8 @@
 #include <vector>
 #include <ginac/idx.h>
 
+namespace GiNaC {
+
 class lorentzidx : public idx
 {
     friend class simp_lor;
@@ -81,8 +83,12 @@ protected:
 extern const lorentzidx some_lorentzidx;
 extern type_info const & typeid_lorentzidx;
 
-// macros
+// utility functions
+inline const lorentzidx &ex_to_lorentzidx(const ex &e)
+{
+	return static_cast<const lorentzidx &>(*e.bp);
+}
 
-#define ex_to_lorentzidx(X) (static_cast<lorentzidx const &>(*(X).bp))
+} // namespace GiNaC
 
 #endif // ndef __GINAC_LORENTZIDX_H__