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Revision 4955 - (show annotations)
Tue May 20 04:33:15 2014 UTC (6 years, 2 months ago) by caltinay
File MIME type: text/plain
File size: 1530 byte(s)
added pristine copy of cusplibrary (apache license) to be used by ripley.

1 /*
2 * Copyright 2008-2009 NVIDIA Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /*! \file rcm.h
18 * \brief Reverse Cuthill-Mckee of a sparse matrix
19 */
20
21 #pragma once
22
23 #include <cusp/detail/config.h>
24
25 namespace cusp
26 {
27 namespace graph
28 {
29 /*! \addtogroup algorithms Algorithms
30 * \ingroup algorithms
31 * \{
32 */
33
34 /*! \p rcm : Performs a reordering on a graph represented by a symmetric sparse
35 * adjacency matrix in order to decrease the bandwidth. The reordering is computed
36 * using the Cuthill-McKee algorithm and reversing the resulting index numbers.
37 *
38 * \param A symmetric matrix that represents a graph
39 *
40 * \tparam Matrix matrix
41 *
42 * \see http://en.wikipedia.org/wiki/Cuthill-McKee_algorithm
43 */
44 template<typename MatrixType>
45 void symmetric_rcm(MatrixType& G);
46
47 template<typename MatrixType, typename ArrayType>
48 void symmetric_rcm(MatrixType& G, ArrayType& permutation);
49
50 /*! \}
51 */
52
53
54 } // end namespace graph
55 } // end namespace cusp
56
57 #include <cusp/graph/detail/symmetric_rcm.inl>
58

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