Dear BioC people,
 
I have a very strange problem with sp.between for some graphs.
It runs for a while, then crashes RGui, and returns a textbox saying:
'The instruction at "0x0000002c" referenced memory at "0x0000002c". The
memory could not be read.'
 
The strange thing is that it happens only for *some* graphs, but for all
nodes in those graphs.
 
Has anyone experienced anything similar?
SessionInfo and a code snippet (to show you that I'm not doing anything
fancy...) are below.
 
Cheers,
Adrien
 
> raw.center.nel
A graphNEL graph with undirected edges
Number of Nodes = 2013 
Number of Edges = 4775 

> nodes(raw.center.nel)[2]
[1] "1415673_at"

> adj(raw.center.nel, "1415673_at")
$"1415673_at"
 [1] "1455238_at"   "1418467_at"   "1428583_at"   "1422558_at"
"1422153_a_at"
 [6] "1450863_a_at" "1452830_s_at" "1434028_at"   "1415822_at"
"1428892_at"  
 
> sp.between(raw.center.nel, "1415673_at", "1455238_at")

that's where it explodes...
 
> sessionInfo()
R version 2.2.0, 2005-10-06, i386-pc-mingw32 
 
attached base packages:
[1] "tools"     "methods"   "stats"     "graphics"  "grDevices" "utils"

[7] "datasets"  "base"     
 
other attached packages:
    RBGL    graph    Ruuid  Biobase  cluster 
 "1.6.0"  "1.8.0"  "1.8.0"  "1.8.0" "1.10.2" 


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