[petsc-dev] DMDABoundaryType

[Lisandro Dalcin]

On 11 March 2011 13:29, Ethan Coon <ecoon at lanl.gov> wrote:
> On Thu, 2011-03-10 at 23:53 -0300, Lisandro Dalcin wrote:
>> While updating petsc4py for the latest DMDA chages, and alto taking
>> into account some new in NumPy C API related to neighborhood
>> iterators,  I've got new idea. What about the API below?:
>>
>> enum DMDABoundaryType:
>>     DMDA_BOUNDARY_NONE = 0
>>     DMDA_BOUNDARY_GHOSTED = 1
>>     DMDA_BOUNDARY_MIRROR = 2
>>     DMDA_BOUNDARY_PERIODIC = 4
>>
>> PetscErrorCode DMDASetBoundaryType(DM dm, DMDABoundaryType bx,
>> DMDABoundaryType by, DMDABoundaryType bz)
>>
>> Changes for GHOSTED and PERIODIC should be easy
>> (http://lkml.org/lkml/2000/8/25/132) ;-).
>>
>> The new MIRROR boundary type could be implemented later.
>>
>
> How does this fit into DMDACreate*D()?  Are you changing the create API
> as well?
>
> PetscErrorCode DMDACreate3d(MPI_Comm comm,DMDABoundaryType bx,
> DMDABoundaryType by, DMDABoundaryType bz, DMDAStencilType
> stencil_type,PetscInt M,PetscInt N,PetscInt P,PetscInt m,PetscInt
> n,PetscInt p,PetscInt dof,PetscInt s,const PetscInt lx[],const PetscInt
> ly[],const PetscInt lz[],DM *da)
>

Ups, I forgot about them.. Yes, these should be updated, too. Anyway,
these are convenience wrappers for create+set+setup.


-- 
Lisandro Dalcin
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