Fix OpenMP memory leak and segfault in fragment Hessian diagonalizati…

…on (#1366)

* Fix OpenMP memory leak and segfault in fragment Hessian diagonalization

Replaced OpenMP reduction on large arrays with manual packing/unpacking and critical section updates. Removed large automatic array 'hess_mask' that caused stack overflow.

Signed-off-by: Daniel Wiczew <daniel.wiczew@univ-lorraine.fr>

* Optimize fragment Hessian pack/unpack loops

Signed-off-by: Daniel Wiczew <daniel.wiczew@univ-lorraine.fr>

* Align frag Hessian loop nomenclature

Signed-off-by: Daniel Wiczew <daniel.wiczew@univ-lorraine.fr>

* go back to correct loop order

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Signed-off-by: Daniel Wiczew <daniel.wiczew@univ-lorraine.fr>
Co-authored-by: thfroitzheim <92028749+thfroitzheim@users.noreply.github.com>

push to v6.7.1

Signed-off-by: Albert Katbashev <akatbashev@gmail.com>

push version 6.7.0 (#980)

Signed-off-by: albert <92109627+Albkat@users.noreply.github.com>

Push Version to 6.6.1

Signed-off-by: MtoLStoN <70513124+MtoLStoN@users.noreply.github.com>

Update workflows to meson 0.62.0 (#768)

Signed-off-by: MtoLStoN <70513124+MtoLStoN@users.noreply.github.com>

Release version 6.5.1 (#662)

Bump to version 6.5.0 (#618)

Fix gridfile keyword (#489)

Bump program version to 6.4.0 (#428)

Guard time estimate printout in hessian with omp critical (#350)