dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Whether or not something is being run in parallel should be determined 
by the number of processes,

  uint dolfin::MPI::num_processes()

Garth

Evan Lezar wrote:
> Hi
>
> I have added a constructor to PETScMatrix to allow me to control whether 
> the matrix is to be created in parallel or not.  The declarations are 
> given below
>
> /// Create empty matrix
> explicit PETScMatrix(Type type=default_matrix);
>
> /// Create an empty matrix explicitly setting the parallel flag
> explicit PETScMatrix(bool is_parallel, Type type=default_matrix);
>
> The idea is that I use
>
> S = PETScMatrix(False) 
>
> If I want to create a matrix that is local.  The problem is that swig 
> can't differentiate between Type and bool (and uint for the 
> PETScMatrix(uint M, uint N, Type type=default_matrix); constructor).  I 
> have seen that it is possible to rename PETScMatrix(bool) to 
> PETScMatrix_bool(bool) for example so that the python call would be
>
> S = PETScMatrix_bool(False),
>
> but I can't seem to get this working.  Any suggestions?
>
> Thanks
> Evan
>
>
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