[petsc-users] 64 bit integers

[Jed Brown]

On Fri, Aug 17, 2012 at 9:40 AM, Michele Rosso <mrosso at uci.edu> wrote:

> I want to build my application with 64 bit integer support
> because of the size of the problem I am working on.
> I compiled petsc with the option  *--with-64-bit-indices=1*.
> In my Fortran code some petsc vectors are initialize by taking
> values from Fortran arrays.
> I used PetscInt indexes to reference both petsc and fortran vectors.
> It used to work with 32 bit indexes.
> Will it still be the case for the 64 bit case?
>

As long as you use PetscInt for every integer that you pass to and from
PETSc, it will work automatically.
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