Someone on this list, several years ago, wrote scheme functions that
were similar to C/printf/formats. I don't have time to look for the
files right now, but they might do everything you want.
RAC
On Dec 17, 2010, at 4:30 AM, Manfred Lotz <manfred.l...@arcor.de> wrote:
On Fri, 17 Dec 2010 11:09:04 +0100
Laurent <laurent.ors...@gmail.com> wrote:
You probably want
`real->decimal-string<http://docs.racket-lang.org/reference/generic-numbers.html?q=real&q=number#%28def._%28%28lib._racket/private/base..rkt%29._real-%7E3edecimal-string%29%29
>
'
Maybe it would be a good idea in the `format' page to add a pointer
to that function?
Yeah, I used it. However, it isn't nice to code, and it is not quite
the same.
Compare
; if it were available
(printf "Total: %4.2f/%2.2f %4.2f/%2.2f\n" fnum1 fnum2 fnum3 fnum4)
to this:
(let ([pfnum1 (real->decimal-string fnum1 2)]
[pfnum2 (real->decimal-string fnum2 2)]
[pfnum3 (real->decimal-string fnum3 2)]
[pfnum4 (real->decimal-string fnum4 2)])
(printf "Total: ~a/~a ~a/~a" pfnum1 pfnum2 pfnum3 pfnum4))
--
Manfred
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