[petsc-dev] PCApplyTranspose in BiCG

[Jed Brown]

On Thu, Mar 22, 2012 at 04:23, Alexander Grayver <agrayver at gfz-potsdam.de>wrote:

> I've got the following error when applying bicg+sor to my problem:
>
> mt-soft/solveTest> ./solveTest -ksp_view -ksp_converged_reason
> -ksp_monitor_true_residual -log_summary -mat_type aij -ksp_rtol 1.0e-7
> -ksp_type bicg -pc_type sor -ksp_max_it 750
> [0]PETSC ERROR: --------------------- Error Message
> ------------------------------**------
> [0]PETSC ERROR: No support for this operation for this object type!
> [0]PETSC ERROR: PC does not have apply transpose!
> [0]PETSC ERROR: ------------------------------**
> ------------------------------**------------
> [0]PETSC ERROR: Petsc Development HG revision:
> 59ca71b85d784abbe22f12c34ffcb2**ccc6dc68b0  HG Date: Tue Mar 20 01:05:13
> 2012 -0500
> [0]PETSC ERROR: See docs/changes/index.html for recent updates.
> [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting.
> [0]PETSC ERROR: See docs/index.html for manual pages.
> [0]PETSC ERROR: ------------------------------**
> ------------------------------**------------
> [0]PETSC ERROR: Configure options --with-petsc-arch=openmpi-**intel-complex-release-c
> --with-mpi-dir=/opt/mpi/intel/**openmpi-1.4.2 --with-scalar-type=complex
> --with-precision=double --with-blas-lapack-dir=/usr/**local/lib
> --with-x=0 --with-debugging=0
> [0]PETSC ERROR: ------------------------------**
> ------------------------------**------------
> [0]PETSC ERROR: PCApplyTranspose() line 515 in /home/mt/agrayver/lib/petsc-
> **dev/src/ksp/pc/interface/**precon.c
> [0]PETSC ERROR: KSPSolve_BiCG() line 55 in /home/mt/agrayver/lib/petsc-**
> dev/src/ksp/ksp/impls/bicg/**bicg.c
> [0]PETSC ERROR: KSPSolve() line 434 in /home/mt/agrayver/lib/petsc-**
> dev/src/ksp/ksp/interface/**itfunc.c
> [0]PETSC ERROR: main() line 114 in /home/solveTest.c
>
> Any ideas?
>

PCApplyTranspose_SOR is not implemented. It is unfortunately not an
operation that is efficient to implement in-place like SOR.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120322/30b7443a/attachment.html>