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Simpler odd?.

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Alex Shinn 2014-01-05 07:11:51 -05:00
parent f32daf3b96
commit d17720018c
1 changed files with 1 additions and 1 deletions
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2
lib/init-7.scm
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@ -1102,7 +1102,7 @@
(define (positive? x) (> x 0)) (define (positive? x) (> x 0))
(define (negative? x) (< x 0)) (define (negative? x) (< x 0))
(define (even? n) (= (remainder n 2) 0)) (define (even? n) (= (remainder n 2) 0))
(define (odd? n) (= (abs (remainder n 2)) 1)) (define (odd? n) (not (= (remainder n 1) 0)))
(define (abs x) (if (< x 0) (- x) x)) (define (abs x) (if (< x 0) (- x) x))