Fix little missed optimization.

[ginac.git] / ginac / fderivative.cpp

diff --git a/ginac/fderivative.cpp b/ginac/fderivative.cpp
index efe2a692a36c06d453130870af4ef0baebfff9ab..4229d0ab4eff471739b6678132f254b7aaee3bc6 100644 (file)
--- a/ginac/fderivative.cpp
+++ b/ginac/fderivative.cpp
@@ -3,7 +3,7 @@
  *  Implementation of abstract derivatives of functions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -20,13 +20,13 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <iostream>
-
 #include "fderivative.h"
 #include "operators.h"
 #include "archive.h"
 #include "utils.h"
 
+#include <iostream>
+
 namespace GiNaC {
 
 GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(fderivative, function,
@@ -55,7 +55,7 @@ fderivative::fderivative(unsigned ser, const paramset & params, const exvector &
 {
 }
 
-fderivative::fderivative(unsigned ser, const paramset & params, std::auto_ptr<exvector> vp) : function(ser, vp), parameter_set(params)
+fderivative::fderivative(unsigned ser, const paramset & params, exvector && v) : function(ser, std::move(v)), parameter_set(params)
 {
 }
 
@@ -176,9 +176,9 @@ ex fderivative::thiscontainer(const exvector & v) const
        return fderivative(serial, parameter_set, v);
 }
 
-ex fderivative::thiscontainer(std::auto_ptr<exvector> vp) const
+ex fderivative::thiscontainer(exvector && v) const
 {
-       return fderivative(serial, parameter_set, vp);
+       return fderivative(serial, parameter_set, std::move(v));
 }
 
 /** Implementation of ex::diff() for derivatives. It applies the chain rule.