Suggestion: CS[CR] SparseMatrix analogs to CustomMatrix

[Daniel Baker]

Hi,

I’ve found many applications involving sparse matrices involving manually-managed CSR format, with the matrix represented by:

1. indices
2. indptr
3. data
4. shape

indices and indptr are integral, while data is the arithmetic type involved, and shape is the dimensions of the matrix.

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I’ve often found myself parsing these into blaze-lib using the append and finalize functions, but it would be really nice to have a CustomSparseMatrix class which takes the required arguments as externally-managed memory, but supporting conversion/multiplication/views.

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I understand this is far from a small feature request, but it would add a great deal of flexibility to the library.

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Thanks!

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Daniel

[Klaus Iglberger]

Hi Daniel!

Thanks a lot for the proposal. We agree, this would indeed be a very valuable addition to the library.

Since the feature has already been requested in issue #190, I will mark this issue as duplicate. Still, thanks for the suggestion,

Best regards,

Klaus!

[Klaus Iglberger]

Duplicate of #190.