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* moved list->vector to ikarus.vectors

This commit is contained in:
Abdulaziz Ghuloum 2007-05-05 06:06:26 -04:00
parent d4d8da3b55
commit e9ca4ed971
3 changed files with 32 additions and 32 deletions
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src/ikarus.boot
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27
src/ikarus.core.ss
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@ -177,33 +177,6 @@
(primitive-set! 'list->vector
(letrec ([race
(lambda (h t ls n)
(if (pair? h)
(let ([h ($cdr h)])
(if (pair? h)
(if (not (eq? h t))
(race ($cdr h) ($cdr t) ls ($fx+ n 2))
(error 'list->vector "circular list ~s" ls))
(if (null? h)
($fx+ n 1)
(error 'list->vector "~s is not a proper list" ls))))
(if (null? h)
n
(error 'list->vector "~s is not a proper list" ls))))]
[fill
(lambda (v i ls)
(cond
[(null? ls) v]
[else
(let ([c ($car ls)])
($vector-set! v i c)
(fill v ($fxadd1 i) (cdr ls)))]))])
(lambda (ls)
(let ([n (race ls ls ls 0)])
(let ([v (make-vector n)])
(fill v 0 ls))))))
(let ()

37
src/ikarus.vectors.ss
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@ -1,11 +1,13 @@
(library (ikarus vectors)
(export make-vector vector vector-length vector-ref vector-set!)
(export make-vector vector vector-length vector-ref vector-set!
list->vector)
(import
(except (ikarus) make-vector vector
vector-length vector-ref vector-set!)
vector-length vector-ref vector-set!
list->vector)
(only (scheme)
$fx= $fx>= $fx< $fx<= $fx+ $car $cdr
$fx= $fx>= $fx< $fx<= $fx+ $fxadd1 $car $cdr
$vector-set! $vector-ref $make-vector $vector-length))
@ -74,8 +76,33 @@
(error 'vector-set! "index ~s is out of range for ~s" i v))
($vector-set! v i c)))
(define list->vector
(letrec ([race
(lambda (h t ls n)
(if (pair? h)
(let ([h ($cdr h)])
(if (pair? h)
(if (not (eq? h t))
(race ($cdr h) ($cdr t) ls ($fx+ n 2))
(error 'list->vector "circular list ~s" ls))
(if (null? h)
($fx+ n 1)
(error 'list->vector "~s is not a proper list" ls))))
(if (null? h)
n
(error 'list->vector "~s is not a proper list" ls))))]
[fill
(lambda (v i ls)
(cond
[(null? ls) v]
[else
(let ([c ($car ls)])
($vector-set! v i c)
(fill v ($fxadd1 i) (cdr ls)))]))])
(lambda (ls)
(let ([n (race ls ls ls 0)])
(let ([v (make-vector n)])
(fill v 0 ls))))))
)