Hi folks,
On 19 Dec 2014, at 18:29, Lawrence Mitchell lawrence.mitch...@imperial.ac.uk
wrote:
On 19 Dec 2014, at 18:19, Lawrence Mitchell
lawrence.mitch...@imperial.ac.uk wrote:
...
Calling MatGetLocalSubMatrix results in an error:
[0]PETSC ERROR: - Error
Dear petsc-users,
I'm trying to setup matrices and data structures for use with
MatGetLocalSubMatrix, but I'm rather lost in a world of ISes and block sizes.
I have the layouts and so forth correct where all my fields have block size 1,
but am struggling to follow how things fit together for
Lawrence Mitchell lawrence.mitch...@imperial.ac.uk writes:
Dear petsc-users,
I'm trying to setup matrices and data structures for use with
MatGetLocalSubMatrix, but I'm rather lost in a world of ISes and block sizes.
I have the layouts and so forth correct where all my fields have block
On 19 Dec 2014, at 17:12, Jed Brown j...@jedbrown.org wrote:
Lawrence Mitchell lawrence.mitch...@imperial.ac.uk writes:
Dear petsc-users,
I'm trying to setup matrices and data structures for use with
MatGetLocalSubMatrix, but I'm rather lost in a world of ISes and block
sizes. I have
Lawrence Mitchell lawrence.mitch...@imperial.ac.uk writes:
What is ISSetBlockSize for then? Just hanging information on the IS for use
elsewhere?
The index set would need to be contiguous:
static PetscErrorCode ISSetBlockSize_Stride(IS is,PetscInt bs)
{
IS_Stride *sub =
...
Calling MatGetLocalSubMatrix results in an error:
[0]PETSC ERROR: - Error Message
--
[0]PETSC ERROR: Petsc has generated inconsistent data
[0]PETSC ERROR: Blocksize of localtoglobalmapping 1 must match
On 19 Dec 2014, at 18:01, Jed Brown j...@jedbrown.org wrote:
Lawrence Mitchell lawrence.mitch...@imperial.ac.uk writes:
What is ISSetBlockSize for then? Just hanging information on the IS for use
elsewhere?
The index set would need to be contiguous:
So given my field layout, I think I
On 19 Dec 2014, at 18:19, Lawrence Mitchell lawrence.mitch...@imperial.ac.uk
wrote:
...
Calling MatGetLocalSubMatrix results in an error:
[0]PETSC ERROR: - Error Message
--
[0]PETSC ERROR: Petsc has
