X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Frelational.h;h=6983cbfa02f0429da6e296121656c58339413c6d;hp=27007f56a3184ca4d22257a7738d57547e58e1f1;hb=2bf56ec52a7bed4ac3d02be8887b0287b5acd189;hpb=3ac17e18ada69428fe170c10abcc5f33a30f0676

diff --git a/ginac/relational.h b/ginac/relational.h
index 27007f56..6983cbfa 100644
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -3,7 +3,7 @@
  *  Interface to relations between expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 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
@@ -20,11 +20,12 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_RELATIONAL_H__
-#define __GINAC_RELATIONAL_H__
+#ifndef GINAC_RELATIONAL_H
+#define GINAC_RELATIONAL_H
 
 #include "basic.h"
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
@@ -59,11 +60,15 @@ public:
 	ex subs(const exmap & m, unsigned options = 0) const;
 	ex eval(int level=0) const;
 
+	/** Save (a.k.a. serialize) object into archive. */
+	void archive(archive_node& n) const;
+	/** Read (a.k.a. deserialize) object from archive. */
+	void read_archive(const archive_node& n, lst& syms);
 protected:
 	ex eval_ncmul(const exvector & v) const;
 	bool match_same_type(const basic & other) const;
 	unsigned return_type() const;
-	const basic* return_type_tinfo() const;
+	return_type_t return_type_tinfo() const;
 	unsigned calchash() const;
 
 	// new virtual functions which can be overridden by derived classes
@@ -77,7 +82,7 @@ public:
 
 	// non-virtual functions in this class
 private:
-	// For conversions to boolean, as would be used in an if conditional,
+	// For conversions to Boolean, as would be used in an if conditional,
 	// implicit conversions from bool to int have a large number of
 	// undesirable side effects.  The following safe_bool type enables
 	// use of relational objects in conditionals without those side effects
@@ -100,6 +105,7 @@ protected:
 	ex rh;
 	operators o;
 };
+GINAC_DECLARE_UNARCHIVER(relational); 
 
 // utility functions
 
@@ -111,4 +117,4 @@ inline relational::safe_bool relational::operator!() const
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_RELATIONAL_H__
+#endif // ndef GINAC_RELATIONAL_H