[petsc-users] consistence of PETSC/SLEPC with MPI, BLACS, SCALAPACK calls...

[Giacomo Mulas]

On Mon, 27 Nov 2017, Jose E. Roman wrote:

> You have PetscInt, PetscBLASInt and PetscMPIInt.
>
> Presumably ScaLAPACK uses the same integer length as BLAS, so you should use PetscBLASInt variables for the arguments of ScaLAPACK subroutines. See also the documentation for PetscBLASIntCast()
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscBLASInt.html#PetscBLASInt
> http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscBLASIntCast.html
>
> Similarly for MPI calls with PetscMPIInt.

Thanks!

Giacomo

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Giacomo Mulas <gmulas at oa-cagliari.inaf.it>
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