- added find() (like has(), but returns list of all occurrences)

[ginac.git] / ginac / symbol.cpp

diff --git a/ginac/symbol.cpp b/ginac/symbol.cpp
index ea453a9862b4e82c323780ebb40e899cdea5f46d..ba0cccd1004b20754a2def09bfa47bd3904ded44 100644 (file)
--- a/ginac/symbol.cpp
+++ b/ginac/symbol.cpp
@@ -179,19 +179,6 @@ bool symbol::info(unsigned inf) const
                return inherited::info(inf);
 }
 
-ex symbol::expand(unsigned options) const
-{
-       return this->hold();
-}
-
-bool symbol::has(const ex & other) const
-{
-       if (this->is_equal(*other.bp))
-               return true;
-       else
-               return false;
-}
-
 int symbol::degree(const ex & s) const
 {
        return is_equal(*s.bp) ? 1 : 0;