<cflonum> typeType of cflonum values.
<cflonum>: <cflonum> type-constructor objValidate obj as object of type <cflonum>. Return obj
itself.
<cflonum>: <boolean> type-predicate objThe type predicate is cflonum?. Return #t if obj is
an object of type <cflonum>; otherwise return #f.
<cflonum>: <non-negative-fixnum> hash-function thisThe hash function is cflonum-hash.