[Rcpp-devel] RcppArmadillo and sugar

[Romain Francois]

Le 17/08/10 13:36, Dirk Eddelbuettel a écrit :
>
> On 17 August 2010 at 12:26, Romain Francois wrote:
> | Hello,
> |
> | After the last thread, I looked again at armadillo and came up with a
> | way to make it aware of Rcpp sugar, so that we can create an armadillo
> | matrix from an Rcpp sugar expression, without having to assign the
> | expression into an Rcpp vector.
> |
> | For example :
> |
> | 	NumericVector xx(x) ;
> | 	arma::mat m = forward( xx + xx ) ;
> |
> | But also for complex expressions : (expressions that make complex
> | vectors ) :
> |
> | 	ComplexVector xx(x) ;
> | 	arma::cx_mat m = forward( exp( xx ) ) ;
>
> Very nice!
>   	
> | It needs the svn version of both Rcpp and RcppArmadillo to work.
> | It does not deal with dimensions at the moment, it just makes a arma
> | matrix with one column, I'll deal with that later.
> |
> |
> | The name forward might not be the right verb here, I was also thinking
> | about "melt" so that we melt sugar into caramel, but I'd like to hear
> | what others do with sugar.
>
> How about "salt" ?
>
> It's shorter too and not as unhealthy and yucky as caramel.
>
> Dirk

Hmmm. What about salty caramel ?

-- 
Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30
http://romainfrancois.blog.free.fr
|- http://bit.ly/bzoWrs : Rcpp svn revision 2000
|- http://bit.ly/b8VNE2 : Rcpp at LondonR, oct 5th
`- http://bit.ly/aAyra4 : highlight 0.2-2