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[ginac.git] / ginac / constant.h

diff --git a/ginac/constant.h b/ginac/constant.h
index f75a629f27d27ee3ce3c6e36418caf308f424e75..7e8916daed97773fe387a8f359158d5747671e42 100644 (file)
--- a/ginac/constant.h
+++ b/ginac/constant.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's constant types and some special constants. */
 
 /*
- *  GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2019 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
@@ -47,18 +47,18 @@ public:
        
        // functions overriding virtual functions from base classes
 public:
-       bool info(unsigned inf) const;
-       ex evalf(int level = 0) const;
-       bool is_polynomial(const ex & var) const;
-       ex conjugate() const;
-       ex real_part() const;
-       ex imag_part() const;
-       void archive(archive_node& n) const;
-       void read_archive(const archive_node& n, lst& syms);
+       bool info(unsigned inf) const override;
+       ex evalf() const override;
+       bool is_polynomial(const ex & var) const override;
+       ex conjugate() const override;
+       ex real_part() const override;
+       ex imag_part() const override;
+       void archive(archive_node& n) const override;
+       void read_archive(const archive_node& n, lst& syms) override;
 protected:
-       ex derivative(const symbol & s) const;
-       bool is_equal_same_type(const basic & other) const;
-       unsigned calchash() const;
+       ex derivative(const symbol & s) const override;
+       bool is_equal_same_type(const basic & other) const override;
+       unsigned calchash() const override;
        
        // non-virtual functions in this class
 protected: