X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fexpair.cpp;h=6070ffb51b6da964a05594132a7286cbedfbc94a;hp=61d8e26f90f9709fa1a5d3942bd28361d16891f4;hb=8dc09f48182574d792a2ed7c37b66831d9267a6c;hpb=fbdd5eefb7188778ca9c04b5bee08223609b880f

diff --git a/ginac/expair.cpp b/ginac/expair.cpp
index 61d8e26f..6070ffb5 100644
--- a/ginac/expair.cpp
+++ b/ginac/expair.cpp
@@ -3,7 +3,7 @@
  *  Implementation of expression pairs (building blocks of expairseq). */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -23,6 +23,7 @@
 #include <iostream>
 
 #include "expair.h"
+#include "operators.h"
 
 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