std-realp | ![]() |
(std-realp <expr>)
Returns T if the argument is of type REAL, a real number, or NIL otherwise.
(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
expr: any valid lisp expression
T or nil
None
(std-require 'STDLISP)
Defined in STDLISP.