"(x+1).subs(x==x-1)" now returns the correct result "x" instead of "x-1"

[ginac.git] / ginac / symbol.h

diff --git a/ginac/symbol.h b/ginac/symbol.h
index b4d31f6f4da7ceb0a23ecdefc55285c6c9f77ecb..7c96312cf8aec70f7c0ac8141b603966e1db55d7 100644 (file)
--- a/ginac/symbol.h
+++ b/ginac/symbol.h
@@ -3,7 +3,7 @@
  *  Interface to GiNaC's symbolic objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2002 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
@@ -71,9 +71,6 @@ public:
        basic * duplicate() const;
        void print(const print_context & c, unsigned level = 0) const;
        bool info(unsigned inf) const;
-       int degree(const ex & s) const;
-       int ldegree(const ex & s) const;
-       ex coeff(const ex & s, int n = 1) const;
        ex eval(int level = 0) const;
        ex evalf(int level = 0) const { return *this; } // overwrites basic::evalf() for performance reasons
        ex series(const relational & s, int order, unsigned options = 0) const;