X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fidx.h;h=57988250c0a2943cde02804b142217aa626cbd06;hp=b6e63e0717f8538cc9e9c8c25004c043ed775412;hb=d56a0f74afa5380a1730599c3b1b21f34be2f061;hpb=5ef801553eb39aed7bd2df9dd1aff9d752c3ea9d

diff --git a/ginac/idx.h b/ginac/idx.h
index b6e63e07..57988250 100644
--- a/ginac/idx.h
+++ b/ginac/idx.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's indices. */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 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
@@ -17,18 +17,17 @@
  *
  *  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
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_IDX_H__
-#define __GINAC_IDX_H__
+#ifndef GINAC_IDX_H
+#define GINAC_IDX_H
 
 #include "ex.h"
 #include "numeric.h"
 
 namespace GiNaC {
 
-
 /** This class holds one index of an indexed object. Indices can
  *  theoretically consist of any symbolic expression but they are usually
  *  only just a symbol (e.g. "mu", "i") or numeric (integer). Indices belong
@@ -48,17 +47,18 @@ public:
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) const;
 	bool info(unsigned inf) const;
 	size_t nops() const;
 	ex op(size_t i) const;
 	ex map(map_function & f) const;
 	ex evalf(int level = 0) const;
 	ex subs(const exmap & m, unsigned options = 0) const;
-
+	void archive(archive_node& n) const;
+	void read_archive(const archive_node& n, lst& syms);
 protected:
 	ex derivative(const symbol & s) const;
 	bool match_same_type(const basic & other) const;
+	unsigned calchash() const;
 
 	// new virtual functions in this class
 public:
@@ -93,10 +93,18 @@ public:
 	 *  If this is undecidable, throw an exception. */
 	ex minimal_dim(const idx & other) const;
 
+protected:
+	void print_index(const print_context & c, unsigned level) const;
+	void do_print(const print_context & c, unsigned level) const;
+	void do_print_csrc(const print_csrc & c, unsigned level) const;
+	void do_print_latex(const print_latex & c, unsigned level) const;
+	void do_print_tree(const print_tree & c, unsigned level) const;
+
 protected:
 	ex value; /**< Expression that constitutes the index (numeric or symbolic name) */
 	ex dim;   /**< Dimension of space (can be symbolic or numeric) */
 };
+GINAC_DECLARE_UNARCHIVER(idx); 
 
 
 /** This class holds an index with a variance (co- or contravariant). There
@@ -117,9 +125,9 @@ public:
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) const;
 	bool is_dummy_pair_same_type(const basic & other) const;
-
+	void archive(archive_node& n) const;
+	void read_archive(const archive_node& n, lst& syms);
 protected:
 	bool match_same_type(const basic & other) const;
 
@@ -134,10 +142,15 @@ public:
 	/** Make a new index with the same value but the opposite variance. */
 	ex toggle_variance() const;
 
+protected:
+	void do_print(const print_context & c, unsigned level) const;
+	void do_print_tree(const print_tree & c, unsigned level) const;
+
 	// member variables
 protected:
 	bool covariant; /**< x.mu, default is contravariant: x~mu */
 };
+GINAC_DECLARE_UNARCHIVER(varidx);
 
 
 /** This class holds a spinor index that can be dotted or undotted and that
@@ -162,9 +175,11 @@ public:
 
 	// functions overriding virtual functions from base classes
 public:
-	void print(const print_context & c, unsigned level = 0) const;
 	bool is_dummy_pair_same_type(const basic & other) const;
-
+	// complex conjugation
+	ex conjugate() const { return toggle_dot(); }
+	void archive(archive_node& n) const;
+	void read_archive(const archive_node& n, lst& syms);
 protected:
 	bool match_same_type(const basic & other) const;
 
@@ -184,32 +199,20 @@ public:
 	 *  dottedness. */
 	ex toggle_variance_dot() const;
 
+protected:
+	void do_print(const print_context & c, unsigned level) const;
+	void do_print_latex(const print_latex & c, unsigned level) const;
+	void do_print_tree(const print_tree & c, unsigned level) const;
+
 	// member variables
 protected:
 	bool dotted;
 };
+GINAC_DECLARE_UNARCHIVER(spinidx);
 
 
 // utility functions
 
-/** Specialization of is_exactly_a<idx>(obj) for idx objects. */
-template<> inline bool is_exactly_a<idx>(const basic & obj)
-{
-        return obj.tinfo()==TINFO_idx;
-}
-
-/** Specialization of is_exactly_a<varidx>(obj) for varidx objects. */
-template<> inline bool is_exactly_a<varidx>(const basic & obj)
-{
-        return obj.tinfo()==TINFO_varidx;
-}
-
-/** Specialization of is_exactly_a<spinidx>(obj) for spinidx objects. */
-template<> inline bool is_exactly_a<spinidx>(const basic & obj)
-{
-        return obj.tinfo()==TINFO_spinidx;
-}
-
 /** Check whether two indices form a dummy pair. */
 bool is_dummy_pair(const idx & i1, const idx & i2);
 
@@ -271,4 +274,4 @@ ex minimal_dim(const ex & dim1, const ex & dim2);
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_IDX_H__
+#endif // ndef GINAC_IDX_H