X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Findexed.h;h=919fc18e81f3026119a10fdf1bd3810ede99ae22;hb=97af29c12bb3074cfb4e674d71000f0712c51ba2;hp=97e3e1a71229f4f056f8919b81c0d0227690ff57;hpb=66c0f31c678e6c1938d637636b230ea376c157c1;p=ginac.git

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 97e3e1a7..919fc18e 100644
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -1,8 +1,9 @@
 /** @file indexed.h
  *
- *  Interface to GiNaC's index carrying objects.
- *
- *  GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
+ *  Interface to GiNaC's index carrying objects. */
+
+/*
+ *  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
@@ -23,29 +24,36 @@
 #define __GINAC_INDEXED_H__
 
 #include <string>
-#include <ginac/exprseq.h>
+#include "exprseq.h"
+
+#ifndef NO_NAMESPACE_GINAC
+namespace GiNaC {
+#endif // ndef NO_NAMESPACE_GINAC
 
 /** Base class for non-commutative indexed objects */
 class indexed : public exprseq
 {
+    GINAC_DECLARE_REGISTERED_CLASS(indexed, exprseq)
+
 // member functions
 
     // default constructor, destructor, copy constructor assignment operator and helpers
 public:
     indexed();
     ~indexed();
-    indexed(indexed const & other);
-    indexed const & operator=(indexed const & other);
+    indexed(const indexed & other);
+    const indexed & operator=(const indexed & other);
 protected:
-    void copy(indexed const & other); 
+    void copy(const indexed & other); 
     void destroy(bool call_parent);
 
     // other constructors
 public:
-    indexed(ex const & i1);
-    indexed(ex const & i1, ex const & i2);
-    indexed(ex const & i1, ex const & i2, ex const & i3);
-    indexed(exvector const & iv);
+    indexed(const ex & i1);
+    indexed(const ex & i1, const ex & i2);
+    indexed(const ex & i1, const ex & i2, const ex & i3);
+    indexed(const ex & i1, const ex & i2, const ex & i3, const ex & i4);
+    indexed(const exvector & iv);
     indexed(exvector * iv);
 
     // functions overriding virtual functions from base classes
@@ -56,14 +64,14 @@ public:
     void print(ostream & os, unsigned upper_precedence=0) const;
     void printcsrc(ostream & os, unsigned type, unsigned upper_precedence) const;
     bool info(unsigned inf) const;
-    ex diff(symbol const & s) const;
     exvector get_indices(void) const;
 protected:
-    int compare_same_type(basic const & other) const;
-    bool is_equal_same_type(basic const & other) const;
+    ex derivative(const symbol & s) const;
+    int compare_same_type(const basic & other) const;
+    bool is_equal_same_type(const basic & other) const;
     unsigned return_type(void) const;
     unsigned return_type_tinfo(void) const;
-    ex thisexprseq(exvector const & v) const;
+    ex thisexprseq(const exvector & v) const;
     ex thisexprseq(exvector * vp) const;
 
     // new virtual functions which can be overridden by derived classes
@@ -83,12 +91,16 @@ protected:
 // global constants
 
 extern const indexed some_indexed;
-extern type_info const & typeid_indexed;
+extern const type_info & typeid_indexed;
 
-// macros
+// utility functions
+inline const indexed &ex_to_indexed(const ex &e)
+{
+	return static_cast<const indexed &>(*e.bp);
+}
 
-#define ex_to_indexed(X) static_cast<indexed const &>(*(X).bp)
+#ifndef NO_NAMESPACE_GINAC
+} // namespace GiNaC
+#endif // ndef NO_NAMESPACE_GINAC
 
 #endif // ndef __GINAC_INDEXED_H__
-
-