X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Ffail.h;h=75a75bfcc10a01921228d7e2bce23939b3882874;hp=125788d533731f09a6c986754a650c0fcc9904b5;hb=c77b5c8466b3d0a007146b435c4635ccf3fbf373;hpb=fbdd5eefb7188778ca9c04b5bee08223609b880f

diff --git a/ginac/fail.h b/ginac/fail.h
index 125788d5..75a75bfc 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) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2003 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. */