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inserting commas in numerator and denominator separately for rationals

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This commit is contained in:
Alex Shinn 2019-02-28 00:09:08 +08:00
parent 4c5bdcb22c
commit 7380564933
1 changed files with 10 additions and 10 deletions
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10
lib/chibi/show/write.scm
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@ -254,10 +254,6 @@
(cond
(precision
(gen-fixed n))
((and (exact? n) (not (integer? n)))
(string-append (gen-positive-real (numerator n))
"/"
(gen-positive-real (denominator n))))
((memv radix (if (exact? n) '(2 8 10 16) '(10)))
(number->string n radix))
(else
@ -280,12 +276,16 @@
;; Post-process a positive real number with decimal char fixup
;; and commas as needed.
(define (wrap-comma n)
(if (and (not precision) (exact? n) (not (integer? n)))
(string-append (wrap-comma (numerator n))
"/"
(wrap-comma (denominator n)))
(let* ((s0 (gen-positive-real n))
(s1 (if (or (eqv? #\. dec-sep)
(equal? "." dec-sep))
s0
(string-replace-all s0 #\. dec-sep))))
(if comma-rule (insert-commas s1) s1)))
(if comma-rule (insert-commas s1) s1))))
;; Wrap the sign of a real number, forcing a + prefix or using
;; parentheses (n) for negatives according to sign-rule.