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

Peter Dalgaard BSA p.dalgaard@biostat.ku.dk
22 Mar 2000 20:06:57 +0100


Ben Bolker <ben@zoo.ufl.edu> writes:

> 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.

Hm? 1.0.0 on RH 6.1 gives the segfault for me as does later patch
versions...

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)             FAX: (+45) 35327907
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