From p.dalgaard at biostat.ku.dk  Sun Apr 10 14:21:52 2005
From: p.dalgaard at biostat.ku.dk (p.dalgaard@biostat.ku.dk)
Date: Sun Apr 10 14:22:06 2005
Subject: [Rd] make check-all fails (PR#7784)
Message-ID: <20050410122152.B6293AD33@slim.kubism.ku.dk>

Peter Dalgaard <p.dalgaard@biostat.ku.dk> writes:

> Aha! 100 times machine precision in not all that much when the numbers
> themselves are in double digits. In fact, one is over 100. The case
> that triggers the failure is #149
> 
> >           147           148           149           151           152 
> > -1.598721e-14 -1.065814e-14 -2.842171e-14 -1.065814e-14 -2.131628e-14 
> 
> which is 2 ULP off by my reckoning (scaling 35.15 to be between 0.5
> and 1 makes the error 2.842e-14/64 =  4.44e-16 and .Machine@double.eps
> is 2.22e-16).
> 
> So again, we might be too strict. I just wonder why we haven't heard
> of this on any other platforms.

I've fixed the precision requirement (for this and the reg-tests-1
issue) in the repository and what should become tomorrow's beta
version.

-- 
   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


[Rd] make check-all fails (PR#7784)
p.dalgaard@biostat.ku.dk