1 /*
2 * Copyright (c) 2011, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /* Based on
34 *
35 SUBROUTINE DGEES( JOBVS, SORT, SELECT, N, A, LDA, SDIM, WR, WI,
36 $ VS, LDVS, WORK, LWORK, BWORK, INFO )
37 *
38 * -- LAPACK driver routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 *
43 */
44
45 #ifndef FLENS_LAPACK_EIG_ES_H
46 #define FLENS_LAPACK_EIG_ES_H 1
47
48 #include <cmath>
49 #include <flens/matrixtypes/matrixtypes.h>
50 #include <flens/vectortypes/vectortypes.h>
51
52 namespace flens { namespace lapack {
53
54 //== es ========================================================================
55 template <typename MA>
56 Pair<typename GeMatrix<MA>::IndexType>
57 es_wsq(bool computeSchurVectors,
58 const GeMatrix<MA> &A);
59
60
61 template <typename SelectFunction, typename MA, typename IndexType,
62 typename VWR, typename VWI, typename MVS,
63 typename VWORK, typename BWORK>
64 IndexType
65 es(bool computeSchurVectors,
66 bool sortEigenvalues,
67 SelectFunction select,
68 GeMatrix<MA> &A,
69 IndexType &sDim,
70 DenseVector<VWR> &wr,
71 DenseVector<VWI> &wi,
72 GeMatrix<MVS> &VS,
73 DenseVector<VWORK> &work,
74 DenseVector<BWORK> &bWork);
75
76 //-- forwarding ----------------------------------------------------------------
77 template <typename SelectFunction, typename MA, typename IndexType,
78 typename VWR, typename VWI, typename MVS,
79 typename VWORK, typename BWORK>
80 IndexType
81 es(bool computeSchurVectors,
82 bool sortEigenvalues,
83 SelectFunction select,
84 MA &&A,
85 IndexType &&sDim,
86 VWR &&wr,
87 VWI &&wi,
88 MVS &&VS,
89 VWORK &&work,
90 BWORK &&bWork);
91
92 } } // namespace lapack, flens
93
94 #endif // FLENS_LAPACK_EIG_ES_H
2 * Copyright (c) 2011, Michael Lehn
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1) Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2) Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * 3) Neither the name of the FLENS development group nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 /* Based on
34 *
35 SUBROUTINE DGEES( JOBVS, SORT, SELECT, N, A, LDA, SDIM, WR, WI,
36 $ VS, LDVS, WORK, LWORK, BWORK, INFO )
37 *
38 * -- LAPACK driver routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 *
43 */
44
45 #ifndef FLENS_LAPACK_EIG_ES_H
46 #define FLENS_LAPACK_EIG_ES_H 1
47
48 #include <cmath>
49 #include <flens/matrixtypes/matrixtypes.h>
50 #include <flens/vectortypes/vectortypes.h>
51
52 namespace flens { namespace lapack {
53
54 //== es ========================================================================
55 template <typename MA>
56 Pair<typename GeMatrix<MA>::IndexType>
57 es_wsq(bool computeSchurVectors,
58 const GeMatrix<MA> &A);
59
60
61 template <typename SelectFunction, typename MA, typename IndexType,
62 typename VWR, typename VWI, typename MVS,
63 typename VWORK, typename BWORK>
64 IndexType
65 es(bool computeSchurVectors,
66 bool sortEigenvalues,
67 SelectFunction select,
68 GeMatrix<MA> &A,
69 IndexType &sDim,
70 DenseVector<VWR> &wr,
71 DenseVector<VWI> &wi,
72 GeMatrix<MVS> &VS,
73 DenseVector<VWORK> &work,
74 DenseVector<BWORK> &bWork);
75
76 //-- forwarding ----------------------------------------------------------------
77 template <typename SelectFunction, typename MA, typename IndexType,
78 typename VWR, typename VWI, typename MVS,
79 typename VWORK, typename BWORK>
80 IndexType
81 es(bool computeSchurVectors,
82 bool sortEigenvalues,
83 SelectFunction select,
84 MA &&A,
85 IndexType &&sDim,
86 VWR &&wr,
87 VWI &&wi,
88 MVS &&VS,
89 VWORK &&work,
90 BWORK &&bWork);
91
92 } } // namespace lapack, flens
93
94 #endif // FLENS_LAPACK_EIG_ES_H