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chol: info check #133

Merged
merged 3 commits into from
Nov 30, 2023
Merged

chol: info check #133

merged 3 commits into from
Nov 30, 2023

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mgates3
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@mgates3 mgates3 commented Oct 23, 2023

Adds info check for positive definiteness to Cholesky. Unlike (Sca)LAPACK, this doesn't abort the computation, it will continue computing, presumably introducing NaNs. Cf. #111

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@mgates3 mgates3 added the Draft label Oct 23, 2023
@mgates3 mgates3 marked this pull request as draft October 23, 2023 16:18
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Most of it looks good. The big thing I noticed was that the conversion from tile-index info to globally-index info. Plus, whatever's causing the CI failure.

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mgates3 commented Oct 26, 2023

This will conflict with @Treece-Burgess's work on timers (#136). I think it will be easiest for him to finish that work, then rebase this onto that.

@mgates3 mgates3 marked this pull request as ready for review November 24, 2023 15:48
@mgates3 mgates3 removed the Draft label Nov 24, 2023
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mgates3 commented Nov 24, 2023

Plus, whatever's causing the CI failure.

memcpy was going backwards.

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Looks good to me. The CI failure is the usual QR issue.

@mgates3 mgates3 merged commit 0e9cac3 into icl-utk-edu:master Nov 30, 2023
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2 participants