fixed typos

[ginac.git] / ginac / ncmul.cpp

diff --git a/ginac/ncmul.cpp b/ginac/ncmul.cpp
index e3a6b552f7e6d0294022fb69603083325ec40b4f..005cc16f77369b29d67c9a93550a473d2ce4b566 100644 (file)
--- a/ginac/ncmul.cpp
+++ b/ginac/ncmul.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's non-commutative products of expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 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
@@ -36,7 +36,7 @@ namespace GiNaC {
 
 GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(ncmul, exprseq,
   print_func<print_context>(&ncmul::do_print).
-  print_func<print_tree>(&basic::do_print_tree).
+  print_func<print_tree>(&ncmul::do_print_tree).
   print_func<print_csrc>(&ncmul::do_print_csrc).
   print_func<print_python_repr>(&ncmul::do_print_csrc))
 
@@ -456,6 +456,25 @@ ex ncmul::thiscontainer(std::auto_ptr<exvector> vp) const
        return (new ncmul(vp))->setflag(status_flags::dynallocated);
 }
 
+ex ncmul::conjugate() const
+{
+       if (return_type() != return_types::noncommutative) {
+               return exprseq::conjugate();
+       }
+
+       if (return_type_tinfo() & 0xffffff00U != TINFO_clifford) {
+               return exprseq::conjugate();
+       }
+
+       exvector ev;
+       ev.reserve(nops());
+       for (const_iterator i=end(); i!=begin();) {
+               --i;
+               ev.push_back(i->conjugate());
+       }
+       return (new ncmul(ev, true))->setflag(status_flags::dynallocated).eval();
+}
+
 // protected
 
 /** Implementation of ex::diff() for a non-commutative product. It applies