From bolker@zoo.ufl.edu  Wed Mar 22 18:43:27 2000
From: bolker@zoo.ufl.edu (Ben Bolker)
Date: Wed, 22 Mar 2000 13:43:27 -0500 (EST)
Subject: [Rd] segmentation fault with 1D array (PR#500)
In-Reply-To: <200003221825.TAA14306@pubhealth.ku.dk>
Message-ID: <Pine.LNX.4.10.10003221342370.10699-100000@bolker.zoo.ufl.edu>

On Wed, 22 Mar 2000 J.C.Rougier@durham.ac.uk wrote:

> Here's a nasty one.  The following has caused a segmentation
> fault and possibly also a bus error.
> 
> fred <- 1:6
> dim(fred) <- 6
> dimnames(fred) <- list(LETTERS[1:6])
> mm <- matrix(1:12, 2, 6)
> 
> mm %*% fred # segmentation fault here
> 
> In the case without the dimnames assignment the result is OK.

  Here (1.0.0 on RH 6.0) I get

Error: invalid type for dimname (must be a vector)

instead of a segmentation fault.

> 
> --please do not edit the information below--
> 
> Version:
>  platform = sparc-sun-solaris2.7
>  arch = sparc
>  os = solaris2.7
>  system = sparc, solaris2.7
>  status = Patched
>  major = 0
>  minor = 99.0
>  year = 2000
>  month = February
>  day = 9
>  language = R
> 
> Search Path:
>  .GlobalEnv, Autoloads, package:base
> 
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-- 
Ben Bolker                                  bolker@zoo.ufl.edu
Zoology Department, University of Florida   http://www.zoo.ufl.edu/bolker
318 Carr Hall/Box 118525                    tel: (352) 392-5697
Gainesville, FL 32611-8525                  fax: (352) 392-3704

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[Rd] segmentation fault with 1D array (PR#500)
Ben Bolker