- implemented global class registry (for class basic and derived classes)

[ginac.git] / ginac / add.h

diff --git a/ginac/add.h b/ginac/add.h
index d2d4d769bbab56af7d9dea602def340f7d2300e3..d4da3beabea7b7f786de1b12872c2d0eb60c2d88 100644 (file)
--- a/ginac/add.h
+++ b/ginac/add.h
@@ -32,6 +32,8 @@ namespace GiNaC {
 /** Sum of expressions. */
 class add : public expairseq
 {
+    GINAC_DECLARE_REGISTERED_CLASS(add, expairseq)
+
     friend class mul;
     friend class ncmul;
     friend class power;