"(x+1).subs(x==x-1)" now returns the correct result "x" instead of "x-1"

[ginac.git] / ginac / clifford.h

diff --git a/ginac/clifford.h b/ginac/clifford.h
index 0c8573ae232ec47b64a6a49ff49659529c3f87ea..2d1680c2604ea507c7a2bcd7d871337c7f1caf56 100644 (file)
--- a/ginac/clifford.h
+++ b/ginac/clifford.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's clifford algebra (Dirac gamma) 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
@@ -48,6 +48,9 @@ public:
        clifford(unsigned char rl, exvector * vp); // vp will be deleted
 
        // functions overriding virtual functions from base classes
+public:
+       void print(const print_context & c, unsigned level = 0) const;
+
 protected:
        bool match_same_type(const basic & other) const;
        ex simplify_ncmul(const exvector & v) const;
@@ -103,13 +106,6 @@ public:
 
 // global functions
 
-/** Return the clifford object handled by an ex.  Deprecated: use ex_to<clifford>().
- *  This is unsafe: you need to check the type first. */
-inline const clifford &ex_to_clifford(const ex &e)
-{
-       return static_cast<const clifford &>(*e.bp);
-}
-
 /** Specialization of is_exactly_a<clifford>(obj) for clifford objects. */
 template<> inline bool is_exactly_a<clifford>(const basic & obj)
 {