PeriodicBoundaryComputation_compute_periodic_pairs

dolfin.cpp.mesh.PeriodicBoundaryComputation_compute_periodic_pairs(mesh: 'Mesh', sub_domain: 'SubDomain', dim: 'std::size_t const') → 'std::map< unsigned int,std::pair< unsigned int,unsigned int > >'

For entities of dimension dim, compute map from a slave entity on this process (local index) to its master entity (owning process, local index on owner). If a master entity is shared by processes, only one of the owning processes is returned.