- archiving implemented in lorentzidx

[ginac.git] / ginac / lorentzidx.h

diff --git a/ginac/lorentzidx.h b/ginac/lorentzidx.h
index c5eade7368466ad293568766bfcadb8d501a7ab1..25c91723a5d8476e686f475d1c739acc70ba7f10 100644 (file)
--- a/ginac/lorentzidx.h
+++ b/ginac/lorentzidx.h
@@ -33,6 +33,8 @@ namespace GiNaC {
 
 class lorentzidx : public idx
 {
+    GINAC_DECLARE_REGISTERED_CLASS(lorentzidx, idx)
+
     friend class simp_lor;
     friend class scalar_products;