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comparison ext/SbplibSparseArraysExt.jl @ 1699:3e9c3986930d feature/lazy_tensors/sparse_conversions

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Add extensions for SparseArrays and SparseArrayKit that allow conversion of a LazyTensor
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 02 Sep 2024 15:35:54 +0200
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children 8787b2f9f5f8
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1676:5a1f51b4e3d9 1699:3e9c3986930d
1 module SbplibSparseArraysExt
2
3 using Sbplib
4 using Sbplib.LazyTensors
5
6 using SparseArrays
7 using Tokens
8
9 function SparseArrays.sparse(t::LazyTensor)
10 v = ArrayToken(:v, prod(domain_size(t)))
11
12 v̄ = reshape(v,domain_size(t)...)
13 tv = reshape(t*v̄, :)
14 return Tokens._to_matrix(tv, prod(range_size(t)), prod(domain_size(t)))
15 end
16
17 end