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theodesp/sign.scm

Last active August 23, 2018 12:12
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Get sign of Number #scheme
Raw
sign.scm
(import (rnrs (6)))
(use-modules ((rnrs) :version (6)))
(define (sign number)
(cond
((< number 0) 'negative)
((= number 0) 'zero)
(else 'positive))
)
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