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Clarifying LAUUM documentation - #1422

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@jprhyne

@jprhyne jprhyne commented Sep 15, 2026

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Description
Updating the documentation of LAUUM routines to state the unused strictly triangular component is not referenced

Closes #1415
Checklist

  • The documentation has been updated.
  • If the PR solves a specific issue, it is set to be closed on merge.

Comment thread SRC/clauum.f Outdated
@codecov

codecov Bot commented Sep 15, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.36%. Comparing base (a6c6e74) to head (d215efb).
⚠️ Report is 2 commits behind head on master.
✅ All tests successful. No failed tests found.

Additional details and impacted files

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@@           Coverage Diff           @@
##           master    #1422   +/-   ##
=======================================
  Coverage   69.36%   69.36%           
=======================================
  Files        6122     6122           
  Lines      486711   486711           
  Branches    23268    23268           
=======================================
  Hits       337584   337584           
  Misses     148689   148689           
  Partials      438      438           
Components Coverage Δ
BLAS 97.94% <ø> (ø)
CBLAS 96.98% <ø> (ø)
LAPACK 82.38% <ø> (ø)
LAPACKE 2.17% <ø> (ø)
TMGLIB 55.69% <ø> (ø)
BLAS testing 88.33% <ø> (ø)
CBLAS testing 89.63% <ø> (ø)
LAPACK testing 82.20% <ø> (ø)
LAPACKE testing ∅ <ø> (∅)
Files with missing lines Coverage Δ
SRC/clauum.f 83.87% <ø> (ø)
SRC/dlauum.f 83.87% <ø> (ø)
SRC/slauum.f 83.87% <ø> (ø)
SRC/zlauum.f 83.87% <ø> (ø)

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Comment thread SRC/clauum.f
Comment on lines +70 to +74
*> overwritten with the upper triangle of the product U * U**H,
*> and the lower triangular part of A is not referenced.
*> If UPLO = 'L', the lower triangle of A is overwritten with
*> the lower triangle of the product L**H * L, and the upper
*> triangular part of A is not referenced

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Suggested change
*> overwritten with the upper triangle of the product U * U**H,
*> and the lower triangular part of A is not referenced.
*> If UPLO = 'L', the lower triangle of A is overwritten with
*> the lower triangle of the product L**H * L, and the upper
*> triangular part of A is not referenced
*> overwritten with the upper triangle of the product U * U**H,
*> and the strictly lower triangular part of A is not
*> referenced. If UPLO = 'L', the lower triangle of A is
*> overwritten with the lower triangle of the product L**H * L,
*> and the strictly upper triangular part of A is not
*> referenced.

I'd suggest saying that the strictly uppler/lower triangular parts are not referenced to avoid confusion. Also add a full stop at the end.

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Unused Triangular component in LAUUM

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