[DFTB-Plus-User] Calculating DOS

Sarah Gamal s.abouelhasab at gmail.com
Fri Nov 15 11:28:04 CET 2019

Dear users,
I am trying to calculate DOS, but I get this error:

Failure in diagonalisation routine ZHEEVR, unable to complete Cholesky
factorization of B   1933
forrtl: warning (528): IEEE_UNDERFLOW is signaling

What does this mean? and how can I fix it?

Thank you in advance,
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