[Rd] Support for long arrays

[Duncan Murdoch]

On 14-01-05 3:18 PM, Boris Aronshtam wrote:
> My machine has hundreds of GB of RAM.  Is there a way to create an array having more than 2 Billion (2^31) rows?

Not currently.  Individual dimensions are limited to signed 32 bit 
values.  The overall count of elements is limited to 2^52 or so.

Duncan Murdoch

>
> I am trying to create a large array using:
>
> d = c(1e+10,2)
> a=array(0,d)
>
> This results in the error:
>
> Error in array(0, d) : negative length vectors are not allowed
> In addition: Warning message:
> In array(0, d) : NAs introduced by coercion
>
> Note that I can create a vector of the same large size:
>
> v=c(1:2e+10)
>
>
>
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>
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