[Rd] R 2.15.2 make check failure on 32-bit --with-blas="-lgoto2"

[Prof Brian Ripley]

On 26/10/2012 16:37, Paul Gilbert wrote:
> Is --with-blas="-lgoto2"  a known problem (other than possibly not being
> the preferred choice)?

And what precisely is it? And what chipset are you using?

> I thought I had been testing RC with the same setup I regularly use, but
> I now see there was a slight difference. I am now getting the following
> failure in make check on  32-bit Ubuntu 12.04, configuring with
> --with-blas="-lgoto2". (These may not be surprising statistically or
> numerically, but it is a bit disconcerting when make check fails.)

No failure shown here ...  surely you know that the signs of principal 
components are not determined?

And 32-bit platforms seem prone to round in different ways (to each 
other and to 64-bit platforms): the differences in the last digit are 
typical of 32-bit platforms.

> ...
> Testing examples for package ‘stats’
>    comparing ‘stats-Ex.Rout’ to ‘stats-Ex.Rout.save’ ...
> 2959c2959
> < N:K        1  33.13   33.13   2.146 0.16865
> ---
>  > N:K        1  33.14   33.14   2.146 0.16865
> 12782c12782
> < Murder   -0.536  0.418  0.341  0.649
> ---
>  > Murder   -0.536  0.418 -0.341  0.649
> 12783c12783
> < Assault  -0.583  0.188  0.268 -0.743
> ---
>  > Assault  -0.583  0.188 -0.268 -0.743
> 12784c12784
> < UrbanPop -0.278 -0.873  0.378  0.134
> ---
>  > UrbanPop -0.278 -0.873 -0.378  0.134
> 12785c12785
> < Rape     -0.543 -0.167 -0.818
> ---
>  > Rape     -0.543 -0.167  0.818
> 12943c12943
> < 6  -0.5412  20.482886    -0.845157
> ---
>  > 6  -0.5412  20.482887    -0.845157
> 14481c14481
> < Sum of Squares   780.1250  276.1250 2556.1250  112.5000  774.0937
> ---
>  > Sum of Squares   780.1250  276.1250 2556.1250  112.5000  774.0938
> 15571c15571
> < Murder   -0.54   0.42   0.34   0.65
> ---
>  > Murder   -0.54   0.42  -0.34   0.65
> 15572c15572
> < Assault  -0.58          0.27  -0.74
> ---
>  > Assault  -0.58         -0.27  -0.74
> 15573c15573
> < UrbanPop -0.28  -0.87   0.38
> ---
>  > UrbanPop -0.28  -0.87  -0.38
> 15574c15574
> < Rape     -0.54         -0.82
> ---
>  > Rape     -0.54          0.82
> Testing examples for package ‘datasets’
>    comparing ‘datasets-Ex.Rout’ to ‘datasets-Ex.Rout.save’ ... OK
> ...
>
> I inadvertently seemed to have set things slightly differently while
> testing RC. While testing the RC,  I was using
> ./configure --prefix=/home/paul/RoboRC/R-test/  --enable-R-shlib
>
> and configure gave
> ...
>    External libraries:        readline
>    Additional capabilities:   PNG, NLS
>    Options enabled:           shared R library, shared BLAS, R
> profiling, Java
>
> whereas with the release I used
> ./configure --prefix=/home/paul/RoboAdmin/R-2.15.2 --enable-R-shlib
> --with-blas="-lgoto2"
>
> and configure gave
> ...
>    External libraries:        readline, BLAS(generic)
>    Additional capabilities:   PNG, NLS
>    Options enabled:           shared R library, R profiling, Java
>
> Thanks,
> Paul
>
> ______________________________________________
> R-devel at r-project.org mailing list
> 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