Bug in acepack (PR#2352)

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Bug in acepack (PR#2352)

vikram-3
This ancient bug was tracked to  the acepack library, line 556 in line
src/avas.f

 The troublesome line is:
        if (x(n).gt.x(1)) go to 30

 Since the input arguments are  empty, referencing x(1) and x(n) cause
a  Segmentation fault,  and  cause  R to  crash.   Acepack author  and
maintainer Rob Tibshirani <[hidden email]> has been contacted
with this  information.  This is not  a bug with R,  but with acepack,
and should be closed.

Neha Pandey <[hidden email]>
Vikram Aggarwal <[hidden email]>
--
Vikram Aggarwal: http://www.mayin.org/~aragorn/

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Re: Bug in acepack (PR#2352)

Prof Brian Ripley
library(help=acepack) says

Maintainer:    Thomas Lumley <[hidden email]>

and I doubt if sending Rob Tibshirani mail to an address he left a decade
ago for a package he does not maintain is going to help resolve the bug.

The issue is not knowing what the bug is, but getting the maintainer to
fix it.  If you send him a tested patch it might help.

[Incidentally, if you read the FAQ you will see that reports on
contributed packages should not be sent to R-bugs except by the
maintainer, and only the maintainer `should' be issuing instructions to
close a report.  It is in the section for 'Addon packages', that is not a
bug in R.]

On Sat, 17 Dec 2005 [hidden email] wrote:

> This ancient bug was tracked to  the acepack library, line 556 in line
> src/avas.f
>
> The troublesome line is:
> if (x(n).gt.x(1)) go to 30
>
> Since the input arguments are  empty, referencing x(1) and x(n) cause
> a  Segmentation fault,  and  cause  R to  crash.   Acepack author  and
> maintainer Rob Tibshirani <[hidden email]> has been contacted
> with this  information.  This is not  a bug with R,  but with acepack,
> and should be closed.
>
> Neha Pandey <[hidden email]>
> Vikram Aggarwal <[hidden email]>
> --
> Vikram Aggarwal: http://www.mayin.org/~aragorn/
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
>

--
Brian D. Ripley,                  [hidden email]
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

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