std-realp


Synopsis

(std-realp <expr>)

Description

Returns T if the argument is of type REAL, a real number, or NIL otherwise.

Example

(std-realp 1.0)  => T
(setq a 0.0)
(std-realp a)  => T
(std-realp 1)  => nil
(std-realp 'a)  => nil
(std-realp nil)  => nil

Arguments

expr: any valid lisp expression

Return Value

T or nil

Side Effects

None

Module

(std-require 'STDLISP)

Defined in STDLISP.