X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fadd.h;h=f471741b95464d5539283ae7158a498d31c8a76a;hp=783830345b682f4d18ee7bcd6741fc6a77e4104e;hb=9eab44408b9213d8909b7a9e525f404ad06064dd;hpb=a8507b8af1c08d9b27d98d57f95c7ca1a8671e27

diff --git a/ginac/add.h b/ginac/add.h
index 78383034..f471741b 100644
--- a/ginac/add.h
+++ b/ginac/add.h
@@ -1,7 +1,8 @@
 /** @file add.h
  *
- *  Interface to GiNaC's sums of expressions.
- *
+ *  Interface to GiNaC's sums of expressions. */
+
+/*
  *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -22,6 +23,10 @@
 #ifndef __GINAC_ADD_H__
 #define __GINAC_ADD_H__
 
+#include <ginac/expairseq.h>
+
+namespace GiNaC {
+
 /** Sum of expressions. */
 class add : public expairseq
 {
@@ -103,7 +108,12 @@ protected:
 extern const add some_add;
 extern type_info const & typeid_add;
 
-#define ex_to_add(X) static_cast<add const &>(*(X).bp)
+// utility functions
+inline const add &ex_to_add(const ex &e)
+{
+	return static_cast<const add &>(*e.bp);
+}
 
-#endif // ndef __GINAC_ADD_H__
+} // namespace GiNaC
 
+#endif // ndef __GINAC_ADD_H__