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