Message-ID: <4A031C2D.5070302@stats.uwo.ca>
Date: 2009-05-07T17:36:45Z
From: Duncan Murdoch
Subject: 64 bit R double precision
In-Reply-To: <4A0312A9.3050904@calidasoft.co.uk>
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