X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Findexed.h;h=768f7fe8e64631834485816c60acbd6ec14afa19;hp=4ad25cb96dadf00609f9d1e11862daf735d43e0b;hb=97ef604e3da2e918cad6cb10af61f7d07999ed97;hpb=29b420743599f001b8bfc8b63fb6ac81aa3dfba7

diff --git a/ginac/indexed.h b/ginac/indexed.h
index 4ad25cb9..768f7fe8 100644
--- a/ginac/indexed.h
+++ b/ginac/indexed.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's indexed expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2011 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
@@ -20,16 +20,15 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_INDEXED_H__
-#define __GINAC_INDEXED_H__
-
-#include <map>
+#ifndef GINAC_INDEXED_H
+#define GINAC_INDEXED_H
 
 #include "exprseq.h"
 #include "wildcard.h"
 
-namespace GiNaC {
+#include <map>
 
+namespace GiNaC {
 
 class scalar_products;
 class symmetry;
@@ -147,14 +146,20 @@ public:
 	unsigned precedence() const {return 55;}
 	bool info(unsigned inf) const;
 	ex eval(int level = 0) const;
+	ex real_part() const;
+	ex imag_part() const;
 	exvector get_free_indices() const;
 
+	/** Save (a.k.a. serialize) indexed object into archive. */
+	void archive(archive_node& n) const;
+	/** Read (a.k.a. deserialize) indexed object from archive. */
+	void read_archive(const archive_node& n, lst& syms);
 protected:
 	ex derivative(const symbol & s) const;
 	ex thiscontainer(const exvector & v) const;
 	ex thiscontainer(std::auto_ptr<exvector> vp) const;
 	unsigned return_type() const;
-	tinfo_t return_type_tinfo() const { return op(0).return_type_tinfo(); }
+	return_type_t return_type_tinfo() const { return op(0).return_type_tinfo(); }
 	ex expand(unsigned options = 0) const;
 
 	// new virtual functions which can be overridden by derived classes
@@ -196,6 +201,7 @@ protected:
 protected:
 	ex symtree; /**< Index symmetry (tree of symmetry objects) */
 };
+GINAC_DECLARE_UNARCHIVER(indexed);
 
 
 class spmapkey {
@@ -268,7 +274,7 @@ lst rename_dummy_indices_uniquely(const exvector & va, const exvector & vb);
 
 /** This function returns the given expression with expanded sums
  *  for all dummy index summations, where the dimensionality of 
- *  the dummy index is numeric.
+ *  the dummy index is a nonnegative integer.
  *  Optionally all indices with a variance will be substituted by 
  *  indices with the corresponding numeric values without variance.
  *
@@ -279,4 +285,4 @@ ex expand_dummy_sum(const ex & e, bool subs_idx = false);
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_INDEXED_H__
+#endif // ndef GINAC_INDEXED_H