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[ginac.git] / ginac / clifford.h

diff --git a/ginac/clifford.h b/ginac/clifford.h
index d68a18bfde1e6ac5706d936c5bc94f83ad731dda..0f0ebfa42cdffd7c06b5abbb54a57223396ee47f 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) 1999-2004 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2005 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
@@ -315,8 +315,19 @@ lst clifford_to_lst(const ex & e, const ex & c, bool algebraic=true);
  *  @param c (2,1) entry of the defining matrix
  *  @param d (2,2) entry of the defining matrix
  *  @param v Vector to be transformed
- *  @param G Metric of the surrounding space */
-ex clifford_moebius_map(const ex & a, const ex & b, const ex & c, const ex & d, const ex & v, const ex & G);
+ *  @param G Metric of the surrounding space
+ *  @param rl Representation label */
+ex clifford_moebius_map(const ex & a, const ex & b, const ex & c, const ex & d, const ex & v, const ex & G, unsigned char rl = 0);
+
+/** The second form of Moebius transformations defined by a 2x2 Clifford matrix M
+ *  This function takes the transformation matrix M as a single entity.
+ * 
+ *  @param M the defining matrix
+ *  @param v Vector to be transformed
+ *  @param G Metric of the surrounding space
+ *  @param rl Representation label */
+ex clifford_moebius_map(const ex & M, const ex & v, const ex & G, unsigned char rl = 0);
+
 } // namespace GiNaC
 
 #endif // ndef __GINAC_CLIFFORD_H__