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bugfix for dot of Hermitian{noncommutative} #52333

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merged 8 commits into from
Dec 5, 2023
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@stevengj stevengj commented Nov 28, 2023

Fixes a bug identified by @andreasnoack in #52318, where dot(A,B) was giving incorrect result for Hermitian matrices over fields like quaternions where conj(a)*conj(b) ≠ conj(a*b)

(The bug was introduced in #32827, which was part of Julia 1.4.)

@stevengj stevengj added linear algebra Linear algebra bugfix This change fixes an existing bug backport 1.6 Change should be backported to release-1.6 backport 1.8 Change should be backported to release-1.8 backport 1.9 Change should be backported to release-1.9 backport 1.10 Change should be backported to the 1.10 release labels Nov 28, 2023
@dkarrasch dkarrasch removed the backport 1.8 Change should be backported to release-1.8 label Nov 29, 2023
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stevengj commented Nov 30, 2023

CI failures are unrelated, should be good to merge. CI is now green.

@stevengj stevengj added the merge me PR is reviewed. Merge when all tests are passing label Dec 5, 2023
@dkarrasch dkarrasch merged commit 53f1eb8 into master Dec 5, 2023
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@dkarrasch dkarrasch deleted the sgj/dotqherm_fix branch December 5, 2023 10:26
@giordano giordano removed the merge me PR is reviewed. Merge when all tests are passing label Dec 8, 2023
KristofferC pushed a commit that referenced this pull request Dec 12, 2023
Co-authored-by: Daniel Karrasch <daniel.karrasch@posteo.de>
(cherry picked from commit 53f1eb8)
@KristofferC KristofferC mentioned this pull request Dec 12, 2023
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KristofferC added a commit that referenced this pull request Dec 17, 2023
Backported PRs:
- [x] #51234 <!-- Fix getfield codegen for tuple inputs and unknown
symbol fields. -->
- [x] #52170 <!-- fix invalidations related to `ismutable` -->
- [x] #52342 <!-- Add single-term multiplication for `AbstractQ` on
v1.10 and above -->
- [x] #52333 <!-- bugfix for dot of Hermitian{noncommutative} -->
- [x] #52407 <!-- channels: fix memory ordering violation in iterate -->
- [x] #52405 <!-- Bump LLVM to 15.0.7+10 to fix GC issue -->
- [x] #52441 <!-- Remove `Pkg` dependency from `SuiteSparse_jll` -->
- [x] #52367 <!-- docs: add notes about scratchspaces in depot -->
- [x] #52456 <!-- Make `jl_write_coverage_data` dllexported again -->
- [x] #52294 <!-- GC scheduler refinements -->
- [x] #52359 <!-- make custom log macros work -->
- [x] #52548
@KristofferC KristofferC removed the backport 1.10 Change should be backported to the 1.10 release label Dec 17, 2023
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5 participants