Re: [Rd] integer constants given by hexadecimal notation (PR#9648)

From: <ripley_at_stats.ox.ac.uk>
Date: Tue, 01 May 2007 14:19:15 +0200 (CEST)


This works correctly on Linux. The problem is that the author assumed that atof handles hexadecimal, which it does for a C99 compiler but not apparently on MinGW.

We have a workaround for this in mkFloat, and need to use that for the 'L' suffix case too.

On Tue, 1 May 2007, murdoch_at_stats.uwo.ca wrote:

> On 01/05/2007 7:21 AM, Stephan wrote:
>> Hi,
>>
>>> 0x10L
>> returns: int 0
>>
>> I would expect: int 16?
>> This happens with all integer constants given by hexadecimal notation.
>> It's a bug?
>
> Certainly looks like one; I've cc'd this to the bug list (but won't be
> able to look into fixing it).
>
> Duncan Murdoch
>
>>
>>
>>> sessionInfo()
>> R version 2.5.0 (2007-04-23)
>> i386-pc-mingw32
>>
>> locale:
>> LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=German_Germany.1252;LC_NUMERIC=C;LC_TIME=German_Germany.1252
>>
>> attached base packages:
>> [1] "stats" "graphics" "grDevices" "utils" "datasets" "methods"
>> [7] "base"
>>
>>
>> Stephan
>>
>> ______________________________________________
>> R-devel_at_r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-devel
>

-- 
Brian D. Ripley,                  ripley_at_stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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