[R] precision in operations

Jason Turner jasont at indigoindustrial.co.nz
Fri Nov 7 20:54:47 CET 2003

Douglas Bates wrote:

> Jason Turner <jasont at indigoindustrial.co.nz> writes:
>>There isn't one.  R does all its calculations with system defined
>>double-precision or integers (on most platforms where R is used, these
>>are both 32 bits).  See help(is.single)
> Usually the double-precision representation is 64 bits in memory and,
> for the IA-32 processors (Intel and AMD x86 family), 80 bits in the
> floating point registers.

Blush.  Of course.

I hate it when I hit "send" without checking if I was thinking when I wrote.

Indigo Industrial Controls Ltd.
jasont at indigoindustrial.co.nz

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