[R] Make check fails on d-p-q-r-tests.R...

[Jeff Ross]

On Tue, 27 Sep 2005, Prof Brian Ripley wrote:

> I am afraid this does look like a real problem, if a minor one. We have for 
> the first problem
>
> x <- 10^(ex <- c(1,2,5*(1:5),50,100,200,300,Inf))
> ex <- -c(rev(1/x), ex)
> qcauchy(ex, log=TRUE)
>
> The first entry of the result should be Inf and the last -Inf.  From the 
> output you have shown us I would guess the last is NaN.
>
> If this is what is going on, it is a problem but a somewhat esoteric one that 
> probably reflects a lack of IEC60559 (aka IEEE754) conformance.  It needs 
> more hands-on debugging than we can provide on a help list.
>

Thanks for the analysis.  I'll move this over to r-devel.

Jeff