Syntax:
realpart number => real
imagpart number => real
Arguments and Values:
number---a number.
real---a real.
Description:
realpart and imagpart return the real and imaginary parts of number respectively. If number is real, then realpart returns number and imagpart returns (* 0 number), which has the effect that the imaginary part of a rational is 0 and that of a float is a floating-point zero of the same format.
Examples:
(realpart #c(23 41)) => 23 (imagpart #c(23 41.0)) => 41.0 (realpart #c(23 41.0)) => 23.0 (imagpart 23.0) => 0.0
Side Effects: None.
Affected By: None.
Exceptional Situations:
Should signal an error of type type-error if number is not a number.
See Also:
Notes: None.
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