[Dune] Preconditioners

[Alex Evanovic]

Hi,

I used the tool gdb to debug the program,

& please find below the information at the segmentation fault. (I use the
preconditioner SeqJac here).
*
Program received signal SIGSEGV, Segmentation fault.
Dune::algmeta_itsteps<1>::dbjac<Dune::BCRSMatrix<Dune::FieldMatrix<double,
1, 1>, std::allocator<Dune::FieldMatrix<double, 1, 1> > >,
Dune::BlockVector<Dune::FieldVector<double, 1>,
std::allocator<Dune::FieldVector<double, 1> > >,
Dune::BlockVector<Dune::FieldVector<double, 1>,
std::allocator<Dune::FieldVector<double, 1> > >, double> (A=<optimized out>,
x=<optimized out>, b=<optimized out>,
    w=@0x7fffffffd108) at /home/sj/dune/dune-istl/dune/istl/gsetc.hh:565
565                (*j).mmv(x[j.index()],rhs);*

Looking forward to your reply.

Regards,
Alex
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