elem:SortEig disappeared

[Nichols A. Romero]

Hi,

I am working on updating MADNESS to work with the latest release of Elemental. Does this call no longer exist or is no longer necessary?
elem::SortEig( wd, Xd );

I think Alvaro had included it in earlier versions because the eigenvalues/eigenvectors were not sorted by default (though I am not reallysure).


--
Nichols A. Romero, Ph.D.
Argonne Leadership Computing Facility
Argonne National Laboratory
Building 240 Room 2-127
9700 South Cass Avenue
Argonne, IL 60490
(630) 252-3441

[Jack Poulson]

Hi Nick,

It still exists, but with a different name:
http://poulson.github.io/Elemental/lapack-like/eigen_svd.html#sorting-the-eigenvalues-eigenpairs
https://github.com/poulson/Elemental/blob/master/include/elemental/lapack-like/HermitianEig/Sort.hpp#L79

It is now elem::hermitian_eig::Sort.

I should have made this explicit in the release notes. but the documentation is correct.

Jack

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[Jack Poulson]

Actually, now that I link to the documentation, I see that I forgot to document the new extra argument: bool ascending=true. If it is not specified, the behavior is the same as before, but one can also set it to false in order to sort in descending order.

Jack