[SciPy-Dev] PROPACK Sparse SVD Integration

[Pamphile Roy]

This is great! Thanks Nicholas and Matt for this great job!

Quick question about these modules. Recently we have been adding quite a few. Do we have a plan to keep them aligned (if need be) with their upstream version?

Cheers,
Pamphile

> On 19.07.2021, at 00:41, Nicholas McKibben <nicholas.bgp at gmail.com> wrote:
> 
> Hi all,
> 
> Matt Haberland and I are happy to open PR gh-14433 <https://github.com/scipy/scipy/pull/14433> to close the long-standing issue gh-857 <https://github.com/scipy/scipy/issues/857> through PROPACK integration into scipy.sparse.linalg.svds based on the previous work done by @jakevdp in pypropack <https://github.com/jakevdp/pypropack/>.
> 
> This PR includes:
> - PROPACK wrappers exposing a new 'propack' solver backend for scipy.sparse.linalg.svds
> - an overhaul and expansion of the scipy.sparse.linalg.svds test suite, documentation, and benchmarks
> - inclusion of a new PROPACK submodule under the SciPy organization which includes patches for known bugs, Fortran compiler support, and OpenMP issues
> 
> Thanks,
> Nicholas
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