X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Fexpair.cpp;h=cef80a45104f17cc980e9abd69b50aaaf0b173ba;hb=05f749ac2abb672f8e0a1cef938ea1e83e1255dc;hp=9fe283b61ebeaa24969b223fa925d99b5d0d70d0;hpb=e7cc6a764ff67b5885d6633385fac23ccc1dc9a7;p=ginac.git

diff --git a/ginac/expair.cpp b/ginac/expair.cpp
index 9fe283b6..cef80a45 100644
--- a/ginac/expair.cpp
+++ b/ginac/expair.cpp
@@ -3,7 +3,7 @@
  *  Implementation of expression pairs (building blocks of expairseq). */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2010 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
@@ -17,12 +17,13 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <iostream>
-
 #include "expair.h"
+#include "operators.h"
+
+#include <iostream>
 
 namespace GiNaC {
 
@@ -34,4 +35,14 @@ void expair::print(std::ostream & os) const
 	coeff.print(c, c.delta_indent);
 }
 
+const expair expair::conjugate() const
+{
+	ex newrest = rest.conjugate();
+	ex newcoeff = coeff.conjugate();
+	if (are_ex_trivially_equal(newrest,rest) && are_ex_trivially_equal(newcoeff,coeff)) {
+		return *this;
+	}
+	return expair(newrest, newcoeff);
+}
+
 } // namespace GiNaC