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poor accuracy with dsterf #1014

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i-photon opened this issue May 6, 2024 · 0 comments
Open
1 of 2 tasks

poor accuracy with dsterf #1014

i-photon opened this issue May 6, 2024 · 0 comments
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Type: Bug

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@i-photon
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i-photon commented May 6, 2024 •
edited

Description

I've verified the results of dsteqr differ significantly from the expected result for the attached matrix. The results of dsteqr and Mathematica Eigenvalues[] are included. Reduction was done with dsytrd.

Checklist

  • I've included a minimal example to reproduce the issue
  • I'd be willing to make a PR to solve this issue
    bug.zip
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@i-photon