[Rcpp-devel] Boolean vector from R to C++

[romain at r-enthusiasts.com]

Yes. LogicalVector.



Le 14 avr. 2011 à 05:00 PM, Cedric Ginestet <c.ginestet05 at googlemail.com> a écrit :

> Hi all, 
> 
> I am trying to pass on a boolean vector from R to C++. I have naively tried the following: 
> 
> ################################
> src <- '
>   using namespace Rcpp ;
>   using namespace std ;
>   int b = as<bool>(xb); 
> return wrap(b);'
> cxxfun <- cxxfunction(sig=signature(xb="logical"),
>                       body=src,plugin="Rcpp",verbose=TRUE)
> cxxfun(b);
> 
> Error in cxxfun(b) : expecting a single value
> ###############################
> 
> Is there an equivalent to IntegerVector or NumericVector for Boolean variables or can I simply use the Rcpp::Vector template for this purpose? 
> 
> Thanks for your help,
> 
> 
> -- 
> Cedric Ginestet 
> Centre for Neuroimaging Sciences (L3.04) 
> NIHR Biomedical Research Centre 
> Department of Neuroimaging 
> Institute of Psychiatry, Box P089 
> King's College London 
> De Crespigny Park
> London 
> SE5 8AF 
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