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ANSI Common Lisp  12 Numbers 12.2 Dictionary of Numbers
- Class Precedence List:
-
real,
number,
t
- Description:
-
The type real includes all numbers that
represent mathematical real numbers, though there are mathematical real
numbers (e.g., irrational numbers) that do not have an exact representation
in Common Lisp. Only reals can be ordered using the
<, >, <=, and >= functions.
The types rational and float are disjoint
subtypes of type real.
- Compound Type Specifier Kind:
-
Abbreviating.
- Compound Type Specifier Syntax:
-
(real [lower-limit [upper-limit)]]
- Compound Type Specifier Arguments:
-
lower-limit, upper-limit - interval designators
for type real.
The defaults for each of lower-limit and upper-limit is the symbol *.
- Compound Type Specifier Description:
-
This denotes the reals on the interval described by
lower-limit and upper-limit.
- Allegro CL Implementation Details:
-
None.
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