Using the Spooles Cholesky solver via PETSc in serial

Stephen R Ball Stephen.R.Ball at awe.co.uk
Fri Jun 2 11:00:56 CDT 2006


Hi

Sorry, this problem is occuring in both serial and parallel.

Regards

Stephen


>  -----Original Message-----
> From: 	Ball Stephen AWE  
> Sent:	02 June 2006 16:04
> To:	petsc-users at mcs.anl.gov
> Subject:	Using the Spooles Cholesky solver via PETSc in serial
> 
> 
> 
> Hi
> 
> I am using PETSc v2.3.1 (patch 9) via the Fortran interface. When I use
> the Spooles CHOLESKY solver in serial I get the error:
> 
> 	MatSetValues_MPIBAIJ_MatScaler() line 259 in
> src/mat/impls/sbaij/mpi/mpisbaij.c
> 	Lower triangular value cannot be set for sbaij format. Ignoring
> these values, run with -mat_ignore_lower_triagular or call
> 	MatSetOption(mat,MAT_IGNORE_LOWER_TRIANGULAR)
> 	MatSetValues() line 827 in src/mat/interface/matrix
> 
> The command line option works fine but when I try to use MatSetOption()
> with the MAT_IGNORE_LOWER_TRIANGULAR flag I get the error:
> 
> 	This name does not have a type, and must have an explicit type.
> [MAT_IGNORE_LOWER_TRIANGULAR]
> 
> Can you tell me if use of the MAT_IGNORE_LOWER_TRIANGULAR flag is
> supported in the Fortran interface for MatSetOption()?
> 
> Regards
> 
> Stephen R. Ball
> 
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