[petsc-users] MatDenseGetArrayF90
Jed Brown
jed at jedbrown.org
Fri Aug 3 13:42:10 CDT 2018
Can you test the patch below?
diff --git i/src/mat/interface/f90-custom/zmatrixf90.c w/src/mat/interface/f90-custom/zmatrixf90.c
index 0497d33fe7..7b2ab1011f 100644
--- i/src/mat/interface/f90-custom/zmatrixf90.c
+++ w/src/mat/interface/f90-custom/zmatrixf90.c
@@ -31,10 +31,11 @@ PETSC_EXTERN void PETSC_STDCALL matgetghostsf90_(Mat *mat,F90Array1d *ptr,int *i
PETSC_EXTERN void PETSC_STDCALL matdensegetarrayf90_(Mat *mat,F90Array2d *ptr,int *ierr PETSC_F90_2PTR_PROTO(ptrd))
{
PetscScalar *fa;
- PetscInt m,n;
+ PetscInt m,N;
*ierr = MatDenseGetArray(*mat,&fa); if (*ierr) return;
- *ierr = MatGetLocalSize(*mat,&m,&n); if (*ierr) return;
- *ierr = F90Array2dCreate(fa,MPIU_SCALAR,1,m,1,n,ptr PETSC_F90_2PTR_PARAM(ptrd));
+ *ierr = MatGetLocalSize(*mat,&m,NULL); if (*ierr) return;
+ *ierr = MatGetSize(*mat,NULL,&N); if (*ierr) return;
+ *ierr = F90Array2dCreate(fa,MPIU_SCALAR,1,m,1,N,ptr PETSC_F90_2PTR_PARAM(ptrd));
}
PETSC_EXTERN void PETSC_STDCALL matdenserestorearrayf90_(Mat *mat,F90Array2d *ptr,int *ierr PETSC_F90_2PTR_PROTO(ptrd))
{
Marius Buerkle <mbuerkle at web.de> writes:
> No I don't get the whole block, only the diagonal block of the matrix. Maybe I am doing something wrong.
>
>>
>> Marius Buerkle <mbuerkle at web.de> writes:
>>
>> > Hi
>> >
>> > When using MatDenseGetArrayF90 only the diaognal part of the matrix is
>> > returned. Is it possible to get the whole matrix?
>>
>> You should get the entire block row (local size m by global size N).
>>
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