[R] what is the .Machine$double.xmin for a 64 bit machine?

Peter Dalgaard p.dalgaard at biostat.ku.dk
Tue Jul 12 12:38:44 CEST 2005


"S.O. Nyangoma" <S.O.Nyangoma at amc.uva.nl> writes:

> I use a 32 bit machine. For those using 64 bit machines, 
> 
> what is the .Machine$double.xmin for for machines?
> 
> regards. Stephen.
> 

Depends on the FPU which is basically independent of the address mode:

PIII, Fedora Core 4:

>  .Machine$double.xmin
[1] 2.225074e-308

Opteron, Fedora Core 4:

> .Machine$double.xmin
[1] 2.225074e-308


-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907




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