Fixed a bug in squarefree(). Some polynomials were erroneously classified as

[ginac.git] / ginac / matrix.h

diff --git a/ginac/matrix.h b/ginac/matrix.h
index ab8d7997a6a93a192f16316ff165968eedc2ce37..e48f3d8a19942773de59f3f50c189f04bee63845 100644 (file)
--- a/ginac/matrix.h
+++ b/ginac/matrix.h
@@ -3,7 +3,7 @@
  *  Interface to symbolic matrices */
 
 /*
- *  GiNaC Copyright (C) 1999-2006 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2008 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
@@ -27,6 +27,7 @@
 #include <string>
 #include "basic.h"
 #include "ex.h"
+#include "archive.h"
 
 namespace GiNaC {
 
@@ -124,6 +125,10 @@ public:
        ex real_part() const;
        ex imag_part() 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:
        bool match_same_type(const basic & other) const;
        unsigned return_type() const { return return_types::noncommutative; };
@@ -170,6 +175,7 @@ protected:
        unsigned col;             ///< number of columns
        exvector m;               ///< representation (cols indexed first)
 };
+GINAC_DECLARE_UNARCHIVER(matrix); 
 
 
 // wrapper functions around member functions