subs() performs "syntactic substitution" as in Maple; you can substitute

[ginac.git] / ginac / indexed.cpp

diff --git a/ginac/indexed.cpp b/ginac/indexed.cpp
index c530c1f4479e4d1e012208c77c40cf6b143a29c0..5277bf89ab3a584d42fafb28b0a5ef02c5321eb3 100644 (file)
--- a/ginac/indexed.cpp
+++ b/ginac/indexed.cpp
@@ -369,19 +369,6 @@ ex indexed::coeff(const ex & s, int n) const
                return n==0 ? ex(*this) : _ex0();
 }
 
-ex indexed::subs(const lst & ls, const lst & lr) const
-{
-       GINAC_ASSERT(ls.nops() == lr.nops());
-
-       for (unsigned i=0; i<ls.nops(); i++) {
-               if (is_ex_of_type(ls.op(i), indexed) &&
-                   compare_same_type(ex_to_indexed(ls.op(i)))==0)
-                       return lr.op(i);
-       }
-
-       return inherited::subs(ls, lr);
-}
-
 ex indexed::thisexprseq(const exvector & v) const
 {
        return indexed(symmetry, v);