Message-ID: <CAAA3642-81B6-4372-908F-9BA90193FDC4@r-enthusiasts.com>
Date: 2011-06-02T10:10:12Z
From: Romain Francois
Subject: [Rcpp-devel] Constructor for templated Rcpp::Matrix class from Rcpp::Dimension fails
In-Reply-To: <BANLkTi=HC_=+E_osK7f2qTo6OB=qFJ2_rw@mail.gmail.com>
Thanks.
Making init protected instead of private in Vector.h solved it for me.
I cant commit the fix from the eurostar.
Romain
Le 1 juin 2011 ? 21:36, Douglas Bates <bates at stat.wisc.edu> a ?crit :
> I am developing classes for sparse matrices with an Rcpp interface that includes
>
> Rcpp::Dimension dim() const {return Rcpp::Dimension(nr(), nc());}
>
> Rcpp::NumericMatrix asmatrix() const;
>
> The implementation of the asmatrix method begins with
>
> Rcpp::NumericMatrix ans(dim());
>
> which is a public constructor for the Rcpp::Matrix template but this
> fails stating
>
>
> In file included from
> /home/bates/R/x86_64-unknown-linux-gnu-library/2.14/Rcpp/include/Rcpp/Vector.h:58:0,
> from
> /home/bates/R/x86_64-unknown-linux-gnu-library/2.14/Rcpp/include/Rcpp.h:42,
> from RcppSparse.h:1,
> from Module.cpp:1:
> /home/bates/R/x86_64-unknown-linux-gnu-library/2.14/Rcpp/include/Rcpp/vector/Vector.h:
> In constructor ?Rcpp::Matrix<RTYPE>::Matrix(const Rcpp::Dimension&)
> [with int RTYPE = 14]?:
> RcppSparse.h:110:31: instantiated from here
> /home/bates/R/x86_64-unknown-linux-gnu-library/2.14/Rcpp/include/Rcpp/vector/Vector.h:640:7:
> error: ?void Rcpp::Vector<RTYPE>::init() [with int RTYPE = 14]? is
> private
> /home/bates/R/x86_64-unknown-linux-gnu-library/2.14/Rcpp/include/Rcpp/vector/Matrix.h:49:3:
> error: within this context
> make: *** [Module.o] Error 1
>
> I can program around this problem by generating the
> Rcpp::NumericMatrix from the number of rows and number of columns but
> I would class the behavior of the constructor mentioned earlier as at
> least an "infelicity" (to use Bill Venables' term).
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