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fixes from Jed Davis

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svn: r13388
This commit is contained in:
Robby Findler 2009-02-03 19:25:08 +00:00
parent f0cac461e7
commit 9bbed05671
1 changed files with 6 additions and 2 deletions
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6
collects/redex/private/dot.ss
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@ -210,7 +210,10 @@
void))
(define (parse-edge line)
(define (give-up)
(error 'redex "could not parse edge line:\n ~s\n" line))
(let* ([m (regexp-match #rx"edge ([^ ]+) ([^ ]+) ([0-9]+) (.*)$" line)]
[_ (unless m (give-up))]
[from (list-ref m 1)]
[to (list-ref m 2)]
[point-count (string->number (list-ref m 3))]
@ -220,7 +223,8 @@
[rest rest])
(if (zero? pts)
'()
(let* ([m (regexp-match #rx"^([0-9.]+) ([0-9.]+) (.*)$" rest)]
(let* ([m (regexp-match #rx"^([-0-9.]+) ([-0-9.]+) (.*)$" rest)]
[_ (unless m (give-up))]
[x (string->number (list-ref m 1))]
[y (string->number (list-ref m 2))])
(set! max-y (max y max-y))