/usr/include/dolfin/graph/ZoltanPartition.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | // Copyright (C) 2013 Chris Richardson
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2013-02-15
// Last changed: 2013-02-26
#ifndef __DOLFIN_ZOLTAN_PARTITION_H
#define __DOLFIN_ZOLTAN_PARTITION_H
#include <vector>
#include <dolfin/common/MPI.h>
#ifdef HAS_TRILINOS
#include <zoltan_cpp.h>
#endif
namespace dolfin
{
class LocalMeshData;
/// This class partitions a graph using Zoltan (part of Trilinos).
class ZoltanPartition
{
public:
/// Calculate partitioning using Parallel HyperGraph (Zoltan PHG)
static void compute_partition_phg(const MPI_Comm mpi_comm,
std::vector<std::size_t>& cell_partition,
const LocalMeshData& mesh_data);
/// Calculate partitioning using recursive block bisection
/// (Zoltan RCB - geometric partitioner)
static void compute_partition_rcb(const MPI_Comm mpi_comm,
std::vector<std::size_t>& cell_partition,
const LocalMeshData& mesh_data);
private:
#ifdef HAS_TRILINOS
static void num_vertex_edges(void * data, unsigned int* num_edges);
static int get_number_of_objects(void* data, int* ierr);
static void get_object_list(void *data,
int sizeGID, int sizeLID,
ZOLTAN_ID_PTR global_id,
ZOLTAN_ID_PTR local_id, int wgt_dim,
float* obj_wgts, int* ierr);
static void get_number_edges(void *data,
int num_gid_entries,
int num_lid_entries,
int num_obj, ZOLTAN_ID_PTR global_ids,
ZOLTAN_ID_PTR local_ids, int *num_edges,
int *ierr);
static void get_all_edges(void* data,
int num_gid_entries,
int num_lid_entries, int num_obj,
ZOLTAN_ID_PTR global_ids,
ZOLTAN_ID_PTR local_ids,
int* num_edges,
ZOLTAN_ID_PTR nbor_global_id,
int* nbor_procs, int wgt_dim,
float* ewgts, int* ierr);
static void get_all_geom(void *data,
int num_gid_entries, int num_lid_entries,
int num_obj,
ZOLTAN_ID_PTR global_ids, ZOLTAN_ID_PTR local_ids,
int num_dim, double *geom_vec, int *ierr);
static int get_geom(void* data, int* ierr);
#endif
};
}
#endif
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