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Avoid pirating qr by shadowing the function#497

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Avoid pirating qr by shadowing the function#497
jishnub wants to merge 2 commits into
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jishnub/qr

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@jishnub

@jishnub jishnub commented Jan 6, 2026

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This creates a BandedMatrices.qr that is distinct from LinearAlgebra.qr.

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codecov Bot commented Jan 6, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.13%. Comparing base (6ccbdd8) to head (dc90488).
⚠️ Report is 8 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff             @@
##           master     #497      +/-   ##
==========================================
+ Coverage   90.00%   90.13%   +0.13%     
==========================================
  Files          27       27              
  Lines        3742     3741       -1     
==========================================
+ Hits         3368     3372       +4     
+ Misses        374      369       -5     

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Comment thread src/banded/linalg.jl Outdated
\(A::TransposeFact{<:Any,<:BandedLU}, B::Transpose{<:Any,<:AbstractVecOrMat}) = A \ copy(B)

_factorize(::AbstractBandedLayout, _, A) = size(A,1) == size(A,2) ? lu(A) : qr(A)
_factorize(::AbstractBandedLayout, _, A) = size(A,1) == size(A,2) ? lu(A) : LinearAlgebra.qr(A)

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Shouldn't this call BandedMatrices.qr?

@dlfivefifty

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Don't we also need a BandedMatrices.qr(A) = LinearAlgebra.qr(A)?

@jishnub

jishnub commented Jan 12, 2026

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Updated

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2 participants