X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fadd.h;h=4d5bd0aee7242ce0690139c7cdf61050637f39a0;hp=d96e12637e477e0e5f4f2ab20cb795cefb1ad8fe;hb=073bf40a73e419a3dbcb6dfa190947ce2cc3bdce;hpb=12fefbca9b424cb8e9ae05d83883b96e17c7b96e

diff --git a/ginac/add.h b/ginac/add.h
index d96e1263..4d5bd0ae 100644
--- a/ginac/add.h
+++ b/ginac/add.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's sums of expressions. */
 
 /*
- *  GiNaC Copyright (C) 1999-2008 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
@@ -20,8 +20,8 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#ifndef __GINAC_ADD_H__
-#define __GINAC_ADD_H__
+#ifndef GINAC_ADD_H
+#define GINAC_ADD_H
 
 #include "expairseq.h"
 
@@ -47,6 +47,7 @@ public:
 public:
 	unsigned precedence() const {return 40;}
 	bool info(unsigned inf) const;
+	bool is_polynomial(const ex & var) const;
 	int degree(const ex & s) const;
 	int ldegree(const ex & s) const;
 	ex coeff(const ex & s, int n=1) const;
@@ -84,7 +85,8 @@ protected:
 	void do_print_csrc(const print_csrc & c, unsigned level) const;
 	void do_print_python_repr(const print_python_repr & c, unsigned level) const;
 };
+GINAC_DECLARE_UNARCHIVER(add);
 
 } // namespace GiNaC
 
-#endif // ndef __GINAC_ADD_H__
+#endif // ndef GINAC_ADD_H