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Add tests on structured matrices #136

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Add tests on structured matrices #136

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gdalle
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@gdalle gdalle commented Oct 3, 2024

This is a version of #132 without the optimized implementations, just adding some tests for the following structured matrix types.

Package Type Coloring Decompression Performance
LinearAlgebra Diagonal
LinearAlgebra Bidiagonal
LinearAlgebra Tridiagonal
BandedMatrices BandedMatrix
BlockBandedMatrices BlockBandedMatrix
BlockBandedMatrices BandedBlockBandedMatrix

The fallback decompression already works without error: it follows the sparsity pattern, so it avoids writing into forbidden locations (say, outside of the diagonal for a Diagonal).

@test structurally_orthogonal_columns(A, color)
if VERSION >= v"1.10" || A isa Union{Diagonal,Bidiagonal,Tridiagonal}
# banded matrices not supported by ArrayInterface on Julia 1.6
# @test color == ArrayInterface.matrix_colors(A) # TODO: uncomment
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To merge #132, this needs to be uncommented

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codecov bot commented Oct 3, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (1cb3884) to head (e7fff0c).

Additional details and impacted files
@@            Coverage Diff            @@
##              main      #136   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           11        11           
  Lines          871       871           
=========================================
  Hits           871       871           

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@gdalle gdalle closed this Oct 3, 2024
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gdalle commented Oct 3, 2024

Superseded by #137 (I screwed up with a git rebase)

@gdalle gdalle deleted the gd/structured-tests branch October 3, 2024 07:52
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