added some checks for subs() behavior

[ginac.git] / ginac / indexed.cpp

diff --git a/ginac/indexed.cpp b/ginac/indexed.cpp
index 87f53db31ed71c546de02b43a825d02a9cfc39cf..6c2683c30b715e4640cc090a660f6068d9e780e5 100644 (file)
--- a/ginac/indexed.cpp
+++ b/ginac/indexed.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's indexed expressions. */
 
 /*
- *  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
@@ -274,24 +274,6 @@ ex indexed::eval(int level) const
        return ex_to<basic>(base).eval_indexed(*this);
 }
 
-int indexed::degree(const ex & s) const
-{
-       return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-int indexed::ldegree(const ex & s) const
-{
-       return is_equal(ex_to<basic>(s)) ? 1 : 0;
-}
-
-ex indexed::coeff(const ex & s, int n) const
-{
-       if (is_equal(ex_to<basic>(s)))
-               return n==1 ? _ex1 : _ex0;
-       else
-               return n==0 ? ex(*this) : _ex0;
-}
-
 ex indexed::thisexprseq(const exvector & v) const
 {
        return indexed(ex_to<symmetry>(symtree), v);