X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Frelational.h;h=7426e19ecea8af712554ba7ba9575fa1fc179e86;hp=317b1d23523f041e067013ab984bf9af7f3bc56d;hb=9eab44408b9213d8909b7a9e525f404ad06064dd;hpb=487e5659efe401683eee0381b0d23f967ffffc3c;ds=sidebyside

diff --git a/ginac/relational.h b/ginac/relational.h
index 317b1d23..7426e19e 100644
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -26,6 +26,8 @@
 #include <ginac/basic.h>
 #include <ginac/ex.h>
 
+namespace GiNaC {
+
 /** This class holds a relation consisting of two expressions and a logical
  *  relation between them. */
 class relational : public basic
@@ -95,8 +97,12 @@ protected:
 extern const relational some_relational;
 extern type_info const & typeid_relational;
 
-#define ex_to_relational(X) static_cast<relational const &>(*(X).bp)
-
-#endif // ndef __GINAC_RELATIONAL_H__
+// utility functions
+inline const relational &ex_to_relational(const ex &e)
+{
+	return static_cast<const relational &>(*e.bp);
+}
 
+} // namespace GiNaC
 
+#endif // ndef __GINAC_RELATIONAL_H__