[Rcpp-devel] Rcpp 0.8.9

[Dirk Eddelbuettel]

Version 0.8.9 of Rcpp is now on CRAN, with numerous changes and enhancements
to Rcpp modules. The NEWS entry is

0.8.9   2010-11-27

    o   Many improvements were made to in 'Rcpp modules':

        - exposing multiple constructors

        - overloaded methods

        - self-documentation of classes, methods, constructors, fields and 
          functions.

        - new R function "populate" to facilitate working with modules in 
          packages. 

        - formal argument specification of functions.

        - updated support for Rcpp.package.skeleton.

        - constructors can now take many more arguments.
        
    o   The 'Rcpp-modules' vignette was updated as well and describe many
        of the new features

    o   New template class Rcpp::SubMatrix<RTYPE> and support syntax in Matrix
        to extract a submatrix: 
        
           NumericMatrix x = ... ;
        
           // extract the first three columns
           SubMatrix<REALSXP> y = x( _ , Range(0,2) ) ; 
        
           // extract the first three rows
           SubMatrix<REALSXP> y = x( Range(0,2), _ ) ; 
        
           // extract the top 3x3 sub matrix
           SubMatrix<REALSXP> y = x( Range(0,2), Range(0,2) ) ; 

    o   Reference Classes no longer require a default constructor for
        subclasses of C++ classes    

    o   Consistently revert to using backticks rather than shell expansion
        to compute library file location when building packages against Rcpp
	on the default platforms; this has been applied to internal test
        packages as well as CRAN/BioC packages using Rcpp

A blog post just went out, you'll see in soon at Planet R, Planet Debian, R
Bloggers as well as at http://dirk.eddelbuettel.com/blog/

Cheers, Dirk

-- 
Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com