- archiving implemented in lorentzidx

[ginac.git] / ginac / lorentzidx.h

diff --git a/ginac/lorentzidx.h b/ginac/lorentzidx.h
index 99eae0840acdf1071b980cb4d0bc0670a874c7c8..25c91723a5d8476e686f475d1c739acc70ba7f10 100644 (file)
--- a/ginac/lorentzidx.h
+++ b/ginac/lorentzidx.h
@@ -2,16 +2,39 @@
  *
  *  Interface to GiNaC's lorentz indices. */
 
-#ifndef _LORENTZIDX_H_
-#define _LORENTZIDX_H_
+/*
+ *  GiNaC Copyright (C) 1999-2000 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
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __GINAC_LORENTZIDX_H__
+#define __GINAC_LORENTZIDX_H__
 
 #include <string>
 #include <vector>
+#include <ginac/idx.h>
 
-#include "idx.h"
+#ifndef NO_GINAC_NAMESPACE
+namespace GiNaC {
+#endif // ndef NO_GINAC_NAMESPACE
 
 class lorentzidx : public idx
 {
+    GINAC_DECLARE_REGISTERED_CLASS(lorentzidx, idx)
+
     friend class simp_lor;
     friend class scalar_products;
 
@@ -21,20 +44,20 @@ class lorentzidx : public idx
 public:
     lorentzidx();
     ~lorentzidx();
-    lorentzidx (lorentzidx const & other);
-    lorentzidx const & operator=(lorentzidx const & other);
+    lorentzidx (const lorentzidx & other);
+    const lorentzidx & operator=(const lorentzidx & other);
 protected:
-    void copy(lorentzidx const & other);
+    void copy(const lorentzidx & other);
     void destroy(bool call_parent);
 
     // other constructors
 public:
     explicit lorentzidx(bool cov, bool oonly=false, unsigned dimp=0);
-    explicit lorentzidx(string const & n, bool cov=false,
+    explicit lorentzidx(const string & n, bool cov=false,
                         bool oonly=false, unsigned dimp=0);
-    explicit lorentzidx(char const * n, bool cov=false,
+    explicit lorentzidx(const char * n, bool cov=false,
                         bool oonly=false, unsigned dimp=0);
-    explicit lorentzidx(unsigned const v, bool cov=false);
+    explicit lorentzidx(unsigned v, bool cov=false);
 
     // functions overriding virtual functions from bases classes
 public:
@@ -62,10 +85,16 @@ protected:
 // global constants
 
 extern const lorentzidx some_lorentzidx;
-extern type_info const & typeid_lorentzidx;
+extern const type_info & typeid_lorentzidx;
 
-// macros
+// utility functions
+inline const lorentzidx &ex_to_lorentzidx(const ex &e)
+{
+       return static_cast<const lorentzidx &>(*e.bp);
+}
 
-#define ex_to_lorentzidx(X) (static_cast<lorentzidx const &>(*(X).bp))
+#ifndef NO_GINAC_NAMESPACE
+} // namespace GiNaC
+#endif // ndef NO_GINAC_NAMESPACE
 
-#endif // ndef _LORENTZIDX_H_
+#endif // ndef __GINAC_LORENTZIDX_H__