rational (original) (raw)

ANSI Common Lisp 12 Numbers 12.2 Dictionary of Numbers

Class Precedence List:

rational,real,number,t

Description:

The canonical representation of a _rational_is as an integer if its value is integral, and otherwise as a ratio.

The types integer and ratioare disjoint subtypes of type rational.

Compound Type Specifier Kind:

Abbreviating.

Compound Type Specifier Syntax:

(rational [lower-limit [upper-limit)]]

Compound Type Specifier Arguments:

lower-limit, upper-limit - interval designators for type rational. The defaults for each of lower-limit and upper-limit is the symbol *.

Compound Type Specifier Description:

This denotes the rationals on the interval described by_lower-limit_ and upper-limit.

Allegro CL Implementation Details:

None.