Your message dated Tue, 16 Jan 2007 23:32:22 +0100
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and subject line Bug#299784: ocaml-doc: Mistake in Printf docs
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--- Begin Message ---
Package: ocaml-doc
Version: 3.08.0-1
Severity: minor
Hi
the docs on printf seem to be wrong:
file:///usr/share/doc/ocaml/docs/ocaml.html/libref/Printf.html
# f: convert a floating-point argument to decimal notation, in the style
dddd.ddd.
# F: convert a floating-point argument in Caml syntax (dddd.ddd with a
mandatory .).
# e or E: convert a floating-point argument to decimal notation, in the style
d.ddd e+-dd (mantissa and exponent).
# g or G: convert a floating-point argument to decimal notation, in style f or
e, E (whichever is more compact).
But %f always prints dddd.ddd with a mandatory '.'. %F on the other
hand does not always print a '.', e.g. 1e+18 does not. %F seems to do
what %g describes.
MfG
Goswin
-- System Information:
Debian Release: 3.1
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.8-frosties-1
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
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--- End Message ---
--- Begin Message ---
Hi,
Georg Neis wrote:
> * Remi Vanicat <[EMAIL PROTECTED]> wrote:
>> On Wed, 16 Mar 2005 14:10:06 +0100, Goswin Brederlow
>> <[EMAIL PROTECTED]> wrote:
>>> # f: convert a floating-point argument to decimal notation, in the style
>>> dddd.ddd.
>>> # F: convert a floating-point argument in Caml syntax (dddd.ddd with a
>>> mandatory .).
>>> # e or E: convert a floating-point argument to decimal notation, in the
>>> style d.ddd e+-dd (mantissa and exponent).
>>> # g or G: convert a floating-point argument to decimal notation, in style f
>>> or e, E (whichever is more compact).
>>>
>>> But %f always prints dddd.ddd with a mandatory '.'. %F on the other
>>> hand does not always print a '.', e.g. 1e+18 does not. %F seems to do
>>> what %g describes.
>> %f does as the doc say:
>> # Printf.printf "%.0f\n" 10.;;
>> 10
>> But by default there is alway 6 digit after the dot (and then a dot).
>> Compare to:
>> # Printf.printf "%.0F\n" 10.;;
>> 10.
>>
>> the documentation for %F is partially misleading, it alway convert a
>> floating-point argument in Caml syntax, but in the 1e+18 case the dot
>> is not mandatory in the ocaml syntax, I will forward it.
>
> The current documentation says:
> f: convert a floating-point argument to decimal notation, in the style
> dddd.ddd.
> F: convert a floating-point argument to Caml syntax (dddd. or dddd.ddd
> or d.ddd e+-dd).
> e or E: convert a floating-point argument to decimal notation, in the
> style d.ddd e+-dd (mantissa and exponent).
> g or G: convert a floating-point argument to decimal notation, in
> style f or e, E (whichever is more compact).
>
> So, can this bug be closed?
Yes, thanks!
Cheers,
Samuel.
--- End Message ---
