Opened 18 years ago
Closed 18 years ago
#36 closed bug (Fixed)
Hessian eigenvectors bug
| Reported by: | arango | Owned by: | arango |
|---|---|---|---|
| Priority: | major | Milestone: | Adjoint Based Algorithms |
| Component: | Adjoint | Version: | 3.1 |
| Keywords: | Cc: |
Description
Andy reported a bug in the do loop computing the Hessian eigenvectors in routine cgradient_lanczos.h. The loop counter is backwards.
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Also modified mod_fourdvar.F to dynamically allocate to available number of Hessian eigenvectors. This allows to use all of them during preconditioning even if the number of inner loops is smaller.