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

[ginac.git] / ginac / matrix.h

diff --git a/ginac/matrix.h b/ginac/matrix.h
index dc8eb48246542e9ace9c50b9b96dde8060552a67..f4665278d6e51b17177af736deb905edbe76c1ef 100644 (file)
--- a/ginac/matrix.h
+++ b/ginac/matrix.h
@@ -59,8 +59,8 @@ public:
     // functions overriding virtual functions from bases classes
 public:
     basic * duplicate() const;
-    void print(ostream & os, unsigned upper_precedence=0) const;
-    void printraw(ostream & os) const;
+    void print(std::ostream & os, unsigned upper_precedence=0) const;
+    void printraw(std::ostream & os) const;
     unsigned nops() const;
     ex op(int i) const;
     ex & let_op(int i);