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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Release plan
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Tue, 16 Aug 2011 08:57:59 +0200
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On Thu, Aug 11, 2011 at 7:18 PM, Bob Carpenter <carp@xxxxxxxxxxx> wrote:
> Is there any plan to tackle Bug 279,
> about mixing scalar types in operations
> like matrix product? I still need this
> for efficient reverse-mode algorithmic
> differentiation.
sorry but no progress yet regarding this aspect. My focus is currently
on finalizing the Sparse module.
gael
> We're getting ready to release
> our Hamiltonian Monte Carlo sampler, and for
> now, I've had to code around all of your
> expressions and wrap all the doubles in
> auto-diff variables, which isn't ideal for
> efficiency, maintainability and most
> importantly, the generality of client interface.
>
> Thanks again for the patch in 3.0.1
> allowing more flexible library plugins. The
> new version works with our auto-dif without
> my having to rip out std:: declarations.
>
> We're also using Eigen for other projects,
> and it's so far been a joy to work with in terms
> of its clean interface and helpful doc.
>
> - Bob Carpenter
> Columbia University, Department of Statistics
>
>
>