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ANSI Common Lisp  12 Numbers 12.2 Dictionary of Numbers
- Syntax:
-
+
&rest numbers
 sum
- Arguments and Values:
-
number - a number.
sum - a number.
- Description:
-
Returns the sum of numbers,
performing any necessary type conversions in the process.
If no numbers are supplied, 0 is returned.
- Examples:
-
(+) 0
(+ 1) 1
(+ 31/100 69/100) 1
(+ 1/5 0.8) 1.0
- Exceptional Situations:
-
Might signal type-error if some argument is not a number.
Might signal arithmetic-error.
- See Also:
-
Section 12.1.1 Numeric Operations,
Section 12.1.3 Rational Computations,
Section 12.1.4 Floating-point Computations,
Section 12.1.5 Complex Computations
- Allegro CL Implementation Details:
-
None.
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