They call the function and provide zero rows
> On Dec 6, 2017, at 10:52 AM, Felipe Giacomelli <[email protected]> wrote: > > Hello, > According to PETSc documentation, all processes that share the matrix MUST > call this routine for the parallel case. However, it is possible that, after > the domain decomposition, some subdomains wouldn’t have Dirichlet boundary > conditions. Hence, MatZeroRows wouldn’t be called by all processes. Is there > a standard (or proposed) approach for this scenario? > Thank you, > > > > -- > Felipe M Wallner Giacomelli
