Opened 17 years ago

Closed 17 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.

Change History (1)

comment:1 by arango, 17 years ago

Resolution: fixed
Status: newclosed

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.

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