From ripley at stats.ox.ac.uk  Thu Mar 27 17:24:06 2008
From: ripley at stats.ox.ac.uk (Prof Brian Ripley)
Date: Thu, 27 Mar 2008 16:24:06 +0000 (GMT)
Subject: [Rd] R 64 on Intel Mac check problem
In-Reply-To: <3ba562220803270915m5221b5c9s2c8c5d712332206a@mail.gmail.com>
References: <mailman.21.1206529204.25461.r-devel@r-project.org>
	<487BB358-F115-451A-85C8-491AF824C0AF@unsw.edu.au>
	<3ba562220803270915m5221b5c9s2c8c5d712332206a@mail.gmail.com>
Message-ID: <alpine.LFD.1.00.0803271621010.14703@auk.stats.ox.ac.uk>

On Thu, 27 Mar 2008, Georgios Marentakis wrote:

> thanks for all the responses,
> just to mention that I have also experimented with quite a few versions of
> the compiler and there was  always a failure at a different test, filing a
> bug report is a good idea. Does the 64 version work as expected in Linux?

Yes, and Solaris (both x86_64).  (Since x86_64 Linux is the main platform 
used by the developers, you hardly need to ask.)


> thanks,
> georgios
>
>
> On Wed, Mar 26, 2008 at 8:05 PM, Bill Northcott <w.northcott at unsw.edu.au>
> wrote:
>
>> On 26/03/2008, at 10:00 PM, Georgios wrote:
>>> I have installed gcc 4.2 and gfortran 4.2 from the available sources
>>> on the
>>> web page and am using the copy and paste guide on the page.
>>>
>>> Now everything seems to be going fine until the point where the R
>>> packages
>>> are tested. In particular when the regression tests are run I get the
>>> following.
>>>
>>> running regression tests
>>> running code in 'reg-tests-1.R' ...\c
>>> OK
>>> running code in 'reg-tests-2.R' ...\c
>>> OK
>>> comparing 'reg-tests-2.Rout' to './reg-tests-2.Rout.save' ...\c
>>> 3756c3756
>>> <   The decimal point is 1 digit(s) to the right of the |
>>> ---
>>>>  The decimal point is at the |
>>> 3762c3762
>>
>> It may or may not be relevant, but there is a catastrophic bug in
>> log10() in 10.5.2 for x86_64: it returns 0 for all arguments.  This
>> has been discussed on the Scitech list.  Apple think they have fixed
>> it, but I am sure they would want to hear of other cases or possible
>> compiler issues, if it is their compiler you are using.
>>
>> So if you can get a minimal test case it would be very good to submit
>> a bug.  It may be worth doing even if you cannot get a minimal case
>> because all the sources are readily available.
>>
>> Finally last time I looked a few days back Simon's 64 bit Intel builds
>> were failing.
>>
>> Bill Northcott
>>
>>
>
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>
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-- 
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)
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[Rd] R 64 on Intel Mac check problem
Prof Brian Ripley