[petsc-users] call lapack subroutines in petsc

Hong hzhang at mcs.anl.gov
Thu Apr 23 23:38:28 CDT 2015


Wen:
Petsc-Lapack interface functions are listed
in petsc/include/petscblaslapck.h.
I do not see dggev there.
You may add such interface yourself, or call it via SLEPc.

Hong

>
>
> Could any one tell me how to call a lapack subroutine in PETSc? I would
> like to use dggev to calculate a generalized eigenvalue problem without
> using SLEPc. Thanks.
>
> Regards,
> Wen
>
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