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davidson assumend converged if zero krylov vector encountered

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Jiri Pittner 2022-07-08 17:01:09 +02:00
parent 3f0fd3f8b0
commit 89ec220f48
1 changed files with 1 additions and 1 deletions
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davidson.h
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@ -215,7 +215,7 @@ for(i=0; i<n; ++i)
//orthogonalise to previous vectors //orthogonalise to previous vectors
typename LA_traits<T>::normtype vnorm= vec1.norm(); typename LA_traits<T>::normtype vnorm= vec1.norm();
if(vnorm==0.) laerror("Zero Krylov vector in Davidson - perhaps try different initial guess"); if(vnorm==0.) goto converged; //Zero Krylov vector - for tiny matrices probably means converged
else else
{ {
vec1 *= (1./vnorm); vec1 *= (1./vnorm);