X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Ffail.h;h=82c183901ac353b01c63f1a35125902a35d4635c;hb=d85cc82288993d3dce31a9c849458bd576259b15;hp=a681d5598ccfa1734abfa8eb9bfd3b892b7b7237;hpb=dbd9c306a74f1cb258c0d15a346b973b39deaad2;p=ginac.git

diff --git a/ginac/fail.h b/ginac/fail.h
index a681d559..82c18390 100644
--- a/ginac/fail.h
+++ b/ginac/fail.h
@@ -4,7 +4,7 @@
  *  somewhat obsolete (most of this can be replaced by exceptions). */
 
 /*
- *  GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2004 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
@@ -33,10 +33,12 @@ class fail : public basic
 	GINAC_DECLARE_REGISTERED_CLASS(fail, basic)
 	
 	// functions overriding virtual functions from base classes
-public:
-	void print(const print_context & c, unsigned level = 0) const;
 protected:
-	unsigned return_type(void) const { return return_types::noncommutative_composite; };
+	unsigned return_type() const { return return_types::noncommutative_composite; };
+
+	// non-virtual functions in this class
+protected:
+	void do_print(const print_context & c, unsigned level) const;
 };
 
 /** Specialization of is_exactly_a<fail>(obj) for fail objects. */