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Fix mapreduce on AdjOrTrans #46605

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merged 8 commits into from
Sep 16, 2022
Merged

Fix mapreduce on AdjOrTrans #46605

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26694b4
pass transpose's _mapreduce to parent
SobhanMP Sep 2, 2022
5e676e6
add hooks for `all`, `any` and `count`
dkarrasch Sep 6, 2022
858e4a9
restrict to commutative ops, extend tests
dkarrasch Sep 7, 2022
bfd33f9
Update stdlib/LinearAlgebra/src/adjtrans.jl
dkarrasch Sep 12, 2022
62e0d1a
include review comments
dkarrasch Sep 13, 2022
2edaae9
restrict *-mapreducedim
dkarrasch Sep 13, 2022
ee88096
include permutedims
dkarrasch Sep 13, 2022
d6deee2
fix typos
dkarrasch Sep 13, 2022
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12 changes: 12 additions & 0 deletions stdlib/LinearAlgebra/src/adjtrans.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -452,3 +452,15 @@ pinv(v::TransposeAbsVec, tol::Real = 0) = pinv(conj(v.parent)).parent
## complex conjugate
conj(A::Transpose) = adjoint(A.parent)
conj(A::Adjoint) = transpose(A.parent)

## reductions
for (ttype, transform) in ((:Adjoint, adjoint), (:Transpose, transpose))
@eval _mapreduce(f, op, ::IndexStyle, A::$ttype) =
_mapreduce(f∘$transform, op, IndexStyle(parent(A)), parent(A))
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@eval _mapreduce_dim(f, op, ::Base._InitialValue, A::$ttype, ::Colon) =
_mapreduce(f∘$transform, op, IndexStyle(parent(A)), parent(A))
@eval Base._count(f, A::$ttype, ::Colon, init) =
Base._count(f∘$transform, parent(A), :, init)
@eval Base._any(f, A::$ttype, ::Colon) = Base._any(f∘$transform, parent(A), :)
@eval Base._all(f, A::$ttype, ::Colon) = Base._all(f∘$transform, parent(A), :)
end