- Derivatives are now assembled in a slightly different manner (i.e. they

[ginac.git] / ginac / operators.h

diff --git a/ginac/operators.h b/ginac/operators.h
index a7d84b0ada2642333dc0089c853d3386fdda68d6..30702ff18f9000da47f586e8818be8dc0224fb58 100644 (file)
--- a/ginac/operators.h
+++ b/ginac/operators.h
@@ -79,8 +79,8 @@ relational operator>(const ex & lh, const ex & rh);
 relational operator>=(const ex & lh, const ex & rh);
 
 // input/output stream operators
-ostream & operator<<(ostream & os, const ex & e);
-istream & operator>>(istream & is, ex & e);
+std::ostream & operator<<(std::ostream & os, const ex & e);
+std::istream & operator>>(std::istream & is, ex & e);
 
 #ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC