[Rcpp-devel] passing NA from C++ to R

[WEI ZHANG]

I figured I can actually use NA_LOGICAL, NA_INTEGER , NA_REAL...

Thanks for your help. 


-----Original Message-----
From: Dominick Samperi [mailto:djsamperi at gmail.com] 
Sent: Monday, February 07, 2011 5:33 PM
To: WEI ZHANG
Cc: rcpp-devel at r-forge.wu-wien.ac.at
Subject: Re: [Rcpp-devel] passing NA from C++ to R

R has its own way of representing NA's. See, for example, the fts
package at CRAN,
in particular, the file src/tslib/tslib/utils/numeric.traits.hpp.

Dominick

On Mon, Feb 7, 2011 at 5:23 PM, WEI ZHANG <aweizhang at gmail.com> wrote:
> I would like to know how can I pass NA from C++ to R.
>
> For example, for any integer in C++ , if == -999, I would like to set to
NA
> to pass to R.
>
>
>
> Thanks.
>
>
>
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