[petsc-users] Index set in Chaco

[Eda Oktay]

Hello everyone,

I am trying to partition a matrix by using chaco. By using ex15 from mat
examples, I wrote the code below:

MatPartitioningCreate(MPI_COMM_WORLD, &part);
MatPartitioningSetAdjacency(part, A);
MatPartitioningSetFromOptions(part);
MatPartitioningApply(part, &is);
ISView(is, PETSC_VIEWER_STDOUT_WORLD);
ISDestroy(&is);
MatPartitioningDestroy(&part);
MatDestroy(&A);

However, I always get zeros when I printed index set. I tried to change
eigensolver but it doesn't work. Since this is the first time I am using
Chaco, I couldn't understand where I did something wrong.

Thanks,

Eda
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