floatp object

generalized-boolean

object — an object.

generalized-boolean — a generalized boolean.

Returns true if object is of type float; otherwise, returns false.

(floatp 1.2d2) → true 
(floatp 1.212) → true 
(floatp 1.2s2) → true 
(floatp (expt 2 130)) → false

(floatp object) ≡ (typep object 'float)