// global functions
-/** Return the clifford object handled by an ex. Deprecated: use ex_to<clifford>().
- * This is unsafe: you need to check the type first. */
-inline const clifford &ex_to_clifford(const ex &e)
-{
- return static_cast<const clifford &>(*e.bp);
-}
-
/** Specialization of is_exactly_a<clifford>(obj) for clifford objects. */
template<> inline bool is_exactly_a<clifford>(const basic & obj)
{