>>>>> Jeff Newmiller
>>>>> on Thu, 21 May 2020 13:30:26 -0700 writes:
> Do read the Posting Guide... you are on the wrong mailing list for this
question.
> On May 20, 2020 6:46:01 PM PDT, Simon Michnowicz via R-help
<r-help@r-project.org> wrote:
>> Dear R Group,
>> I can build a simple R/4.0.0 OK using gcc/8.1.0, but when I tried to
>> link
>> it with the Intel MKL, 'make check' produced this error
>>
>> tail tests/reg-tests-1d.Rout.fail
>>
>>> (m <- cbind(0, c(NA, 0), 0:-1))
>> [,1] [,2] [,3]
>> [1,] 0 NA 0
>> [2,] 0 0 -1
>>> nTypes <- eval(formals(base::norm)$type) # "O" "I" "F" "M" "2"
>>> stopifnot(is.na( print(vapply(nTypes, norm, 0., x = m)) )) # print():
>> show NA *or* NaN
>> O I F M 2
>> NA NA 1 NA NA
>> Error: is.na(print(vapply(nTypes, norm, 0, x = m))) are not all TRUE
>> Execution halted
>>
>> Is this a significant error?
>> There may be differences in how NaN are treated between GNU and MKL
>> that
>> caused this.
Yes, there are such differences.
This one is indeed new bug in that version of Lapack which
in the mean time has been fixed AFAIK...
definitely has been fixed in R's builtin version of Lapack.
Martin Maechler
ETH Zurich and R Core Team
>> regards
>>
>>
>> *---Simon Michnowicz *
>> Senior Application Specialist, High-Performance Computing
>>
>> *Research Support Services - eSolutions*
>> *Monash eResearch Centre*
>> Monash University
>> 15 Innovation Walk, Building 75, Clayton Campus
>> Wellington Road, VIC 3800
>> Australia
>>
>> T: +61 3 9902 0794
>> M: +61 3 0418 302 046
>> E: simon.michnow...@monash.edu
>> monash.edu
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
> --
> Sent from my phone. Please excuse my brevity.
> ______________________________________________
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
______________________________________________
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