- rotate_31() and golden_hash_ratio() moved to utils.h

[ginac.git] / ginac / operators.h

diff --git a/ginac/operators.h b/ginac/operators.h
index cc354d867dede87d958c0d9e2d7c5768a0add71a..4c95a55164a81adf4b7c67325a009b3361b74346 100644 (file)
--- a/ginac/operators.h
+++ b/ginac/operators.h
@@ -25,6 +25,8 @@
 
 #include <iostream>
 
+namespace GiNaC {
+
 class ex;
 class numeric;
 class relational;
@@ -123,4 +125,6 @@ relational operator>=(numeric const & lh, ex const & rh);
 ostream & operator<<(ostream & os, ex const & e);
 istream & operator>>(istream & is, ex & e);
 
+} // namespace GiNaC
+
 #endif // ndef __GINAC_OPERATORS_H__