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Update the documentation of INFO in xGESDD #567

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weslleyspereira
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Description
Since 02b8bc6, the routines xGESDD return with INFO=-4 if the matrix A has any NAN entry. This PR clarifies the documentation on this regard.

This PR closes #469.
This PR also relates to numpy/numpy#18914.

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codecov bot commented May 24, 2021

Codecov Report

Merging #567 (c46d580) into master (121b5c5) will not change coverage.
The diff coverage is n/a.

Impacted file tree graph

@@           Coverage Diff           @@
##           master     #567   +/-   ##
=======================================
  Coverage   82.37%   82.37%           
=======================================
  Files        1894     1894           
  Lines      190677   190677           
=======================================
  Hits       157063   157063           
  Misses      33614    33614           
Impacted Files Coverage Δ
SRC/cgesdd.f 95.40% <ø> (ø)
SRC/dgesdd.f 94.17% <ø> (ø)
SRC/sgesdd.f 94.17% <ø> (ø)
SRC/zgesdd.f 95.40% <ø> (ø)

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@weslleyspereira weslleyspereira merged commit 6ace55e into Reference-LAPACK:master May 24, 2021
@julielangou julielangou added this to the LAPACK 3.10.0 milestone Nov 12, 2022
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Successfully merging this pull request may close these issues.

DGESDD with nan exits with: On entry to DLASCL parameter number 4 had an illegal value
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