On Aug 9, 2010, at 2:45 PM, Theo Tannen wrote:
Are integers strictly a signed 32 bit number on R even if I am
running a 64
bit version of R on a x86_64 bit machine?
I ask because I have integers stored in a hdf5 file where some of
the data
is 64 bit integers. When I read that into R using the hdf5 library
it seems
any integer greater than 2**31 returns NA.
That's the limit. It's hard coded and not affected by the memory
pointer size.
Any solutions?
I have heard of packages that handle "big numbers". A bit of searching
produces suggestions to look at gmp on CRAN and Rmpfr on R-Forge.
--
David Winsemius, MD
West Hartford, CT
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