X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fexpair.h;h=e0da1bf428fc137528d0c1c38a9cc27b25285626;hp=513dd5c96442b294f1d4a2a755196155a8459334;hb=6a5d85aac330ef87ebdd46ae1c3f4c1e1b7bed3f;hpb=e187ba694051c0fcdb4e7aa3152a54c87c3c8e21

diff --git a/ginac/expair.h b/ginac/expair.h
index 513dd5c9..e0da1bf4 100644
--- a/ginac/expair.h
+++ b/ginac/expair.h
@@ -3,7 +3,7 @@
  *  Definition of expression pairs (building blocks of expairseq). */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2007 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
@@ -17,7 +17,7 @@
  *
  *  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
  */
 
 #ifndef __GINAC_EXPAIR_H__
@@ -38,20 +38,7 @@ class expair
 {
 public:
 	expair() : rest(0), coeff(1) { }
-	~expair() { }
-	expair(const expair & other) : rest(other.rest), coeff(other.coeff)
-	{
-		GINAC_ASSERT(is_exactly_a<numeric>(coeff));
-	}
-	const expair & operator=(const expair & other)
-	{
-		if (this != &other) {
-			rest = other.rest;
-			coeff = other.coeff;
-		}
-		return *this;
-	}
-	
+
 	/** Construct an expair from two ex. */
 	expair(const ex & r, const ex & c) : rest(r), coeff(c)
 	{
@@ -85,7 +72,7 @@ public:
 	void print(std::ostream & os) const;
 	
 	/** True if this is of the form (numeric,ex(1)). */
-	bool is_canonical_numeric(void) const
+	bool is_canonical_numeric() const
 	{
 		GINAC_ASSERT(is_exactly_a<numeric>(coeff));
 		return (is_exactly_a<numeric>(rest) && (coeff.is_equal(1)));
@@ -97,7 +84,9 @@ public:
 		rest.swap(other.rest);
 		coeff.swap(other.coeff);
 	}
-	
+
+	const expair conjugate() const;
+
 	ex rest;    ///< first member of pair, an arbitrary expression
 	ex coeff;   ///< second member of pair, must be numeric
 };