conservatory
/
picrin
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixed vector-map/map!

This commit is contained in:
stibear 2014-07-16 16:46:22 +09:00 committed by OGINO Masanori
parent a8520fe595
commit 48faa9ac98
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
contrib/10.srfi/srfi/43.scm
View File

@ -92,16 +92,28 @@
(map (lambda (v) (vector-ref v count)) vects))
(- count 1))))))
(define (vector-map! f vec . vects)
(define (vector-map f vec . vects)
(let* ((vects (cons vec vects))
(veclen (apply min (map vector-length vects)))
(new-vect (make-vector veclen)))
(let rec ((count 0))
(if (= count veclen)
new-vect
(begin
(vector-set! new-vect count
(apply f count (map (lambda (v) (vector-ref v count))
vects)))
(rec (+ 1 count)))))))
(define (vector-map! f vec . vects)
(let* ((vects (cons vec vects))
(veclen (apply min (map vector-length vects))))
(let rec ((count 0))
(if (< count veclen)
(begin
(vector-set! vec count
(apply f (map (lambda (v) (vector-ref v count))
vects)))
(apply f count (map (lambda (v) (vector-ref v count))
vects)))
(rec (+ 1 count)))))))
(define (vector-count pred? vec . vects)