*.vtk
*.vtu
*.a
/area
/bps
/bpsraw
/bpssphere
/bpsswarm
/dmswarm
/multigrid
/petsc-area
/petsc-bps
/petsc-bpsraw
/petsc-bpssphere
/petsc-bpsswarm
/petsc-dmswarm
/petsc-multigrid