Daniel Jaschke - 2020-03-17

Hello,

thank you for the detailed report. The corrections are necessary but are
not sufficient for the example with complex operators I have right now due
to a second error which follows. I have a branch and will update the ticket
in case I find something.

Sincerely,

Daniel

On Fri, Mar 6, 2020 at 9:37 PM Princehahaha princehahaha@users.sourceforge.net wrote:

Status: open
Milestone: 1.0
Created: Fri Mar 06, 2020 08:37 PM UTC by Princehahaha
Last Updated: Fri Mar 06, 2020 08:37 PM UTC
Owner: nobody

A bug in iMPSOps_include.f90 makes the Fortran function ZNAUPD return
-7, which crashes the simulation when computing observables.

The bug comes from the fact that lines 440-442 should be placed before
line 436-438, otherwise the variable ncv on line 437 is not computed
correctly resulting in workl not correctly allocated. The return value -7
means "insufficient storage allocated for private working arrays" (i.e.
workl is too small).

Also, "dnaupd" and "dneupd" on lines 474 and 487 should be changed to
"znaupd" and "zneupd", to make debugging easier.

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