[R] How to determine if R is 64 bit compiled under Unix-alike?

[Bernardo Rangel Tura]

On Mon, 2010-07-05 at 19:25 +0200, Przemek Grabowicz wrote:
> Under MacOS I had R64 executive and it was clear. Under Ubuntu, which I 
> do not have administrative rights to, there is only R executive. It 
> seems that I can allocate more than 3GB of memory, however not 
> everything seems to work the same/right as with R64 under MacOS.
> 
> Pms.
> 

Type .Machine$sizeof.pointer
If respond is 8 your R is 64 bits


-- 
Bernardo Rangel Tura, M.D,MPH,Ph.D
National Institute of Cardiology
Brazil