[Rcpp-devel] using SparseSuite and RcppEigen in package

[Martyn Plummer]

I think it is worth asking Martin Maechler if he could expose more
SuiteSparse functionality through the Matrix package.

Martyn

On Wed, 2018-01-17 at 15:06 +0100, Simon Barthelmé wrote:
> Hi Dirk,
> 
> Thanks for your suggestion - I had thought of doing that but it requires 
> tracking the versions of SuiteSparse used by Matrix, which means extra 
> maintenance work. OTOH maybe updates are rare enough that it's not worth 
> worrying about. It'd be nice if Matrix could expose more of SuiteSparse, 
> though, I'm sure I'm not the only one who needs that stuff.
> 
> Best
> 
> Simon
> 
> 
> Le 17/01/2018 à 13:35, Dirk Eddelbuettel a écrit :
> > On 17 January 2018 at 13:10, Simon Barthelmé wrote:
> > > I'm trying to use some CHOLMOD functionality inside an R package
> > > (specifically, sparse Cholesky updates/downdates). There's an
> > > CHOLMOD/Eigen interface for that, but unfortunately the header I need is
> > > not shipped as part of either the Matrix package or the Rcpp package.
> > > The file is cholmod_modify.h, and it does appear in the src/ directory
> > > of the Matrix package, but not in the include/ directory.
> > > 
> > > If I include it by hand I risk version conflicts, because the rest of
> > > CHOLMOD is provided by the Matrix package via RcppEigen. What's the
> > > clean way of handling that? Thanks for your input!
> > 
> > I know "some" (eg rstan) have completemented the BH package with local
> > headers when BH was missing what they needed (as BH grew, I think we by now
> > added all they need).  So you could just do that, being careful to stick with
> > the same version.
> > 
> > Or would Yixuan's RSpectra help?  https://cran.r-project.org/package=RSpectra
> > 
> > Dirk
> > 
> 
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