Some crazy ideas from a high level perspective

[Ilya Yaroshenko via Digitalmars-d]

On Tuesday, 22 March 2016 at 14:42:18 UTC, jmh530 wrote:
> On Tuesday, 22 March 2016 at 14:08:55 UTC, _d0s_ wrote:
>>
>> Idea2: Matrix Solvers
>> Have some base algorithms to solve linear and quadtratic 
>> systems on top of those matrices. (LU, QR, ...)
>
> You would be interested in
> https://github.com/DlangScience
>
> They have cblas for matrix multiplication and scid.linalg has 
> an interface to LAPACK (the most common way to do LU/QR/etc). I 
> don't have experience with these, but I think they were created 
> before std.experimental.ndslice, so I'm not sure how well they 
> inter-operate. I believe there is work being done on this, but 
> I'm sure John Colvin et al would appreciate any help you would 
> be able to provide.
>
> With respect to your point about about sparse vs. dense matrix 
> types and other special layouts, it would probably be possible 
> to build some of that functionality on top of ndslice. I'd 
> prefer there to be a focus of getting blas/LAPACK working 
> seamlessly with ndslice before that.

Mir v0.15.0-beta2 contains sparse matrixes/tensors in DOK and 
CSR/CSR formats. Also some COO ranges are supported too. Current 
state is half of future API.

https://github.com/DlangScience/mir/blob/sparse/source/mir/ndslice/sparse.d

Dub: http://code.dlang.org/packages/mir