re-enabled the assignment operator of class symbol

[ginac.git] / ginac / color.h

diff --git a/ginac/color.h b/ginac/color.h
index 03b9d8d3ebd6164ea6664cc9d1aab2c3d488248f..be51156dc084965c00545426dda8d61ff79e9e75 100644 (file)
--- a/ginac/color.h
+++ b/ginac/color.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's color (SU(3) Lie algebra) objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2002 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
@@ -117,13 +117,6 @@ public:
 
 // global functions
 
-/** Return the color object handled by an ex.  Deprecated: use ex_to<color>().
- *  This is unsafe: you need to check the type first. */
-inline const color &ex_to_color(const ex &e)
-{
-       return static_cast<const color &>(*e.bp);
-}
-
 /** Specialization of is_exactly_a<color>(obj) for color objects. */
 template<> inline bool is_exactly_a<color>(const basic & obj)
 {