X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fclifford.h;h=2d1680c2604ea507c7a2bcd7d871337c7f1caf56;hb=09f37bdbd46f469b3a8a902a43d0f795c41a89bf;hp=9d429dca1ee7ccf0d4c7b50bd9b2902e7dba805d;hpb=0cf43f3096cbcfc7472ff9c8927c6eb74f2eeb8c;p=ginac.git

diff --git a/ginac/clifford.h b/ginac/clifford.h
index 9d429dca..2d1680c2 100644
--- 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
@@ -48,7 +48,11 @@ 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;
 	ex thisexprseq(const exvector & v) const;
 	ex thisexprseq(exvector * vp) const;
@@ -70,7 +74,7 @@ class diracone : public tensor
 {
 	GINAC_DECLARE_REGISTERED_CLASS(diracone, tensor)
 
-	// functions overriding virtual functions from bases classes
+	// functions overriding virtual functions from base classes
 public:
 	void print(const print_context & c, unsigned level = 0) const;
 };
@@ -81,7 +85,7 @@ class diracgamma : public tensor
 {
 	GINAC_DECLARE_REGISTERED_CLASS(diracgamma, tensor)
 
-	// functions overriding virtual functions from bases classes
+	// functions overriding virtual functions from base classes
 public:
 	void print(const print_context & c, unsigned level = 0) const;
 	bool contract_with(exvector::iterator self, exvector::iterator other, exvector & v) const;
@@ -94,7 +98,7 @@ class diracgamma5 : public tensor
 {
 	GINAC_DECLARE_REGISTERED_CLASS(diracgamma5, tensor)
 
-	// functions overriding virtual functions from bases classes
+	// functions overriding virtual functions from base classes
 public:
 	void print(const print_context & c, unsigned level = 0) const;
 };
@@ -102,13 +106,6 @@ public:
 
 // global functions
 
-/** Return the clifford object handled by an ex.
- *  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)
 {