From hin-tak.leung at cimr.cam.ac.uk  Tue May  1 15:35:38 2007
From: hin-tak.leung at cimr.cam.ac.uk (Hin-Tak Leung)
Date: Tue, 01 May 2007 14:35:38 +0100
Subject: [Rd] (PR#9648) integer constants given by hexadecimal notation
In-Reply-To: <20070501121915.31A045ACD2@slim.kubism.ku.dk>
References: <20070501121915.31A045ACD2@slim.kubism.ku.dk>
Message-ID: <4637422A.4010803@cimr.cam.ac.uk>

ripley at stats.ox.ac.uk wrote:
> 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.

Kind of irrelevant, but this also works in R-win32 under wine on linux.
I suppose the problem isn't mingw per se but msvcrt (or is the Locale
relevant?)...

----------------------
 > 0x10L
[1] 16
 > sessionInfo()
R version 2.5.0 (2007-04-23)
i386-pc-mingw32

locale:
C

attached base packages:
[1] "stats"     "graphics"  "grDevices" "utils"     "datasets"  "methods"
[7] "base"
----------------------


> 
> 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
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>



[Rd] (PR#9648) integer constants given by hexadecimal notation
Hin-Tak Leung