From p.dalgaard at biostat.ku.dk  Sun Apr  9 17:40:54 2006
From: p.dalgaard at biostat.ku.dk (Peter Dalgaard)
Date: 09 Apr 2006 17:40:54 +0200
Subject: [Rd] make check of R-alpha_2006-04-08_r37675 fails: qbeta
In-Reply-To: <m0wtdyanzp.fsf@bar.nemo-project.org>
References: <m0wtdyanzp.fsf@bar.nemo-project.org>
Message-ID: <x2y7yevjsp.fsf@turmalin.kubism.ku.dk>

bhs2 at mevik.net (Bj?rn-Helge Mevik) writes:

> make check of R-alpha_2006-04-08_r37675 fails on Debian GNU/Linux 3.1 running
> on an Intel P4 computer.
> 
> > version
>                _                                      
> platform       i686-pc-linux-gnu                      
> arch           i686                                   
> os             linux-gnu                              
> system         i686, linux-gnu                        
> status         alpha                                  
> major          2                                      
> minor          3.0                                    
> year           2006                                   
> month          04                                     
> day            08                                     
> svn rev        37675                                  
> language       R                                      
> version.string Version 2.3.0 alpha (2006-04-08 r37675)
> 
> I'm using ATLAS with the SSE2 extensions, and get the same error with ATLAS
> 3.2.1 (packages atlas2-* 3.2.1ln-15 in Debian) and 3.6.0 (packages atlas3-*
> 3.6.0-19 in Debian).  I've also tried without external BLAS (--without-blas),
> but the error still occurs.
> 
> 43 (0) $ ./configure
> [...]
> R is now configured for i686-pc-linux-gnu
> 
>   Source directory:          .
>   Installation directory:    /usr/local
> 
>   C compiler:                gcc  -g -O2 -std=gnu99
>   Fortran 77 compiler:       g77  -g -O2
> 
>   C++ compiler:              g++  -g -O2
>   Fortran 90/95 compiler:    g77 -g -O2
> 
>   Interfaces supported:      X11, tcltk
>   External libraries:        readline, BLAS(ATLAS)
>   Additional capabilities:   PNG, JPEG, iconv, MBCS, NLS
>   Options enabled:           R profiling
> 
>   Recommended packages:      yes
> 
> 44 (0) $ make
> [...]
> 
> 45 (0) $ make check
> [...]
> running code in 'd-p-q-r-tests.R' ... OK
> comparing 'd-p-q-r-tests.Rout' to './d-p-q-r-tests.Rout.save' ...777,778d776
> < Warning message:
> < full precision was not achieved in 'qbeta' 
> make[3]: *** [d-p-q-r-tests.Rout] Error 1
> [...]
> 
> 46 (0) $ diff tests/d-p-q-r-tests.Rout.{save,fail}
> 3c3
> < Version 2.3.0 alpha (2006-04-03 r37628)
> ---
> > Version 2.3.0 alpha (2006-04-08 r37675)
> 791a792,793
> > Warning message:
> > full precision was not achieved in 'qbeta' 
> 1073c1075
> < Time elapsed:  2.53 0.03 2.55 0 0 
> ---
> > Time elapsed:  4.939 0.024 4.967 0 0 
> 
> The (hopefully) interesting part of tests/d-p-q-r-tests.Rout.fail:
> 
> > ## Check q*(p* ( log ), log) = identity
> > All.eq(Rbeta,   qbeta    (log(Pbeta), shape1 = .8, shape2 = 2, log=TRUE))
> [1] TRUE
> Warning message:
> full precision was not achieved in 'qbeta' 
> 
> Please let me know if there is more I can provide to help trace this!

I suspect that this is related to recent changes in the zero-finder,
and that it is relatively benign. (If it is the effect that I'm
thinking of, then the warning is spurious, and it is mainly a matter
of whether we want to try to get rid of the warning or update the
.Rout.save file.)


-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907



[Rd] make check of R-alpha_2006-04-08_r37675 fails: qbeta
Peter Dalgaard