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 DTRSEN( JOB, COMPQ, SELECT, N, T, LDT, Q, LDQ, WR, WI,
36 $ M, S, SEP, WORK, LWORK, IWORK, LIWORK, INFO )
37 *
38 * -- LAPACK routine (version 3.3.1) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * -- April 2011 --
42 *
43 */
44
45 #ifndef FLENS_LAPACK_EIG_TRSEN_H
46 #define FLENS_LAPACK_EIG_TRSEN_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 namespace TRSEN {
55
56 enum Job {
57 None = 'N', // = 'N': none;
58 EigenvaluesOnly = 'E', // = 'E': for eigenvalues only (S);
59 InvariantSubspaceOnly = 'V',// = 'V': for invariant subspace only (SEP);
60 Both = 'B' // = 'B': for both eigenvalues and invariant
61 // subspace (S and SEP).
62 };
63
64 }
65
66 //== trsen =====================================================================
67
68 template <typename SELECT, typename MT, typename MQ, typename WR, typename WI,
69 typename IndexType, typename S, typename SEP,
70 typename WORK, typename IWORK>
71 IndexType
72 trsen(TRSEN::Job job,
73 bool computeQ,
74 const DenseVector<SELECT> &select,
75 GeMatrix<MT> &T,
76 GeMatrix<MQ> &Q,
77 DenseVector<WR> &wr,
78 DenseVector<WI> &wi,
79 IndexType &m,
80 S &s,
81 SEP &sep,
82 DenseVector<WORK> &work,
83 DenseVector<IWORK> &iwork);
84
85 //-- forwarding ----------------------------------------------------------------
86
87 template <typename SELECT, typename MT, typename MQ, typename WR, typename WI,
88 typename IndexType, typename S, typename SEP,
89 typename WORK, typename IWORK>
90 IndexType
91 trsen(TRSEN::Job job,
92 bool computeQ,
93 const DenseVector<SELECT> &select,
94 MT &&T,
95 MQ &&Q,
96 WR &&wr,
97 WI &&wi,
98 IndexType &&m,
99 S &&s,
100 SEP &&sep,
101 WORK &&work,
102 IWORK &&iwork);
103
104 } } // namespace lapack, flens
105
106 #endif // FLENS_LAPACK_EIG_TRSEN_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 DTRSEN( JOB, COMPQ, SELECT, N, T, LDT, Q, LDQ, WR, WI,
36 $ M, S, SEP, WORK, LWORK, IWORK, LIWORK, INFO )
37 *
38 * -- LAPACK routine (version 3.3.1) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * -- April 2011 --
42 *
43 */
44
45 #ifndef FLENS_LAPACK_EIG_TRSEN_H
46 #define FLENS_LAPACK_EIG_TRSEN_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 namespace TRSEN {
55
56 enum Job {
57 None = 'N', // = 'N': none;
58 EigenvaluesOnly = 'E', // = 'E': for eigenvalues only (S);
59 InvariantSubspaceOnly = 'V',// = 'V': for invariant subspace only (SEP);
60 Both = 'B' // = 'B': for both eigenvalues and invariant
61 // subspace (S and SEP).
62 };
63
64 }
65
66 //== trsen =====================================================================
67
68 template <typename SELECT, typename MT, typename MQ, typename WR, typename WI,
69 typename IndexType, typename S, typename SEP,
70 typename WORK, typename IWORK>
71 IndexType
72 trsen(TRSEN::Job job,
73 bool computeQ,
74 const DenseVector<SELECT> &select,
75 GeMatrix<MT> &T,
76 GeMatrix<MQ> &Q,
77 DenseVector<WR> &wr,
78 DenseVector<WI> &wi,
79 IndexType &m,
80 S &s,
81 SEP &sep,
82 DenseVector<WORK> &work,
83 DenseVector<IWORK> &iwork);
84
85 //-- forwarding ----------------------------------------------------------------
86
87 template <typename SELECT, typename MT, typename MQ, typename WR, typename WI,
88 typename IndexType, typename S, typename SEP,
89 typename WORK, typename IWORK>
90 IndexType
91 trsen(TRSEN::Job job,
92 bool computeQ,
93 const DenseVector<SELECT> &select,
94 MT &&T,
95 MQ &&Q,
96 WR &&wr,
97 WI &&wi,
98 IndexType &&m,
99 S &&s,
100 SEP &&sep,
101 WORK &&work,
102 IWORK &&iwork);
103
104 } } // namespace lapack, flens
105
106 #endif // FLENS_LAPACK_EIG_TRSEN_H