* Parent functions * Must Implement * __init__ * has_coercion_from (cpdef) * gen * ngens * base_extend? * For Advanced Users * make_coercion_from (cpdef) * make_conversion_from (cpdef) * make_action_on (cpdef) * make_action_by (cpdef) * _populate_coercion_lists (cpdef) * Advanced Calls * get_coercion_from (cpdef) * get_conversion_from (cpdef) * get_action (cpdef) * Generic Functions you might override * __contains__ * Do we really want to do this? Cases: is mod(3, 5) in ZZ? is Zp(5)(17) in ZZ? is QQ(2) in ZZ? is RR(2) in ZZ? * __cmp__ * __call__ * Not defined functions you may want to define * __iter__ * Element functions * Arithmetic (raise NotImplemented) * _add_ (cpdef) * _mul_ (cpdef) * __neg__ (spec) * __invert__ (spec) * Arithmetic (With Defaults) * _sub_ (cpdef) * _div_ (cpdef) * _powlong_ * _pow_ * Functions you may want to implement * _polynomial_