[petsc-dev] MatSetColoring

[Jed Brown]

This interface was removed, but MatSetColoring_MPIAIJ and
MatSetColoring_SeqAIJ remain.

commit bcaeba4d41d6ca6c6dc4189db20683073a9959ce
Author: Barry Smith <bsmith at mcs.anl.gov>
Date:   Sun Dec 30 18:31:13 2012 -0600

    removed adic stuff
    
    Hg-commit: 99933b6f66a48c78b00a3952edfaf6191df65340


Peter and I think that MatSetColoring would be useful in case the user
can compute a parallel coloring that they would like SNES to use.  Shall
we revive the interface and make MatGetColoring use it if available?