- prepared for 1.0.13 release

[ginac.git] / ginac / ex.cpp

diff --git a/ginac/ex.cpp b/ginac/ex.cpp
index b22ceef802be608c3f110796ee6ac09d56060ee3..c69b30b08b92128a3287cbfd9961acb7e1fe4159 100644 (file)
--- a/ginac/ex.cpp
+++ b/ginac/ex.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's light-weight expression handles. */
 
 /*
- *  GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 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
@@ -48,19 +48,6 @@ namespace GiNaC {
 
 // public
        
-/** Efficiently swap the contents of two expressions. */
-void ex::swap(ex & other)
-{
-       GINAC_ASSERT(bp!=0);
-       GINAC_ASSERT(bp->flags & status_flags::dynallocated);
-       GINAC_ASSERT(other.bp!=0);
-       GINAC_ASSERT(other.bp->flags & status_flags::dynallocated);
-       
-       basic * tmpbp = bp;
-       bp = other.bp;
-       other.bp = tmpbp;
-}
-
 /** Print expression to stream. The formatting of the output is determined
  *  by the kind of print_context object that is passed. Possible formattings
  *  include ginsh-parsable output (the default), tree-like output for