[R] 64 bit R double precision

Duncan Murdoch murdoch at stats.uwo.ca
Thu May 7 19:36:45 CEST 2009

On 5/7/2009 12:56 PM, Paul Emberson wrote:
> Hi,
> If R is compiled for a 64 bit platform, does the double data type make 
> use of the additional precision or is it set at a fixed length?

It is still a 64 bit floating point value.  R may use "long double" 
internally for some calculations, but the numeric type that is saved 
doesn't change.

Duncan Murdoch

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