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 DLAQR4( WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI,
36 $ ILOZ, IHIZ, Z, LDZ, WORK, LWORK, INFO )
37 *
38 * -- LAPACK auxiliary routine (version 3.2) --
39 * Univ. of Tennessee, Univ. of California Berkeley,
40 * Univ. of Colorado Denver and NAG Ltd..
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_EIG_LAQR4_H
45 #define FLENS_LAPACK_EIG_LAQR4_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //== laqr4 =====================================================================
53 template <typename IndexType, typename MH>
54 IndexType
55 laqr4_wsq(bool wantT,
56 bool wantZ,
57 IndexType iLo,
58 IndexType iHi,
59 const GeMatrix<MH> &H);
60
61 template <typename IndexType, typename MH, typename VWR, typename VWI,
62 typename MZ, typename VWORK>
63 IndexType
64 laqr4(bool wantT,
65 bool wantZ,
66 IndexType iLo,
67 IndexType iHi,
68 GeMatrix<MH> &H,
69 DenseVector<VWR> &wr,
70 DenseVector<VWI> &wi,
71 IndexType iLoZ,
72 IndexType iHiZ,
73 GeMatrix<MZ> &Z,
74 DenseVector<VWORK> &work);
75
76 //-- forwarding ----------------------------------------------------------------
77 template <typename IndexType, typename MH>
78 IndexType
79 laqr4_wsq(bool wantT,
80 bool wantZ,
81 IndexType iLo,
82 IndexType iHi,
83 const MH &&H);
84
85 template <typename IndexType, typename MH, typename VWR, typename VWI,
86 typename MZ, typename VWORK>
87 IndexType
88 laqr4(bool wantT,
89 bool wantZ,
90 IndexType iLo,
91 IndexType iHi,
92 MH &&H,
93 VWR &&wr,
94 VWI &&wi,
95 IndexType iLoZ,
96 IndexType iHiZ,
97 MZ &&Z,
98 VWORK &&work);
99
100 } } // namespace lapack, flens
101
102 #endif // FLENS_LAPACK_EIG_LAQR4_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 DLAQR4( WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI,
36 $ ILOZ, IHIZ, Z, LDZ, WORK, LWORK, INFO )
37 *
38 * -- LAPACK auxiliary routine (version 3.2) --
39 * Univ. of Tennessee, Univ. of California Berkeley,
40 * Univ. of Colorado Denver and NAG Ltd..
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_EIG_LAQR4_H
45 #define FLENS_LAPACK_EIG_LAQR4_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //== laqr4 =====================================================================
53 template <typename IndexType, typename MH>
54 IndexType
55 laqr4_wsq(bool wantT,
56 bool wantZ,
57 IndexType iLo,
58 IndexType iHi,
59 const GeMatrix<MH> &H);
60
61 template <typename IndexType, typename MH, typename VWR, typename VWI,
62 typename MZ, typename VWORK>
63 IndexType
64 laqr4(bool wantT,
65 bool wantZ,
66 IndexType iLo,
67 IndexType iHi,
68 GeMatrix<MH> &H,
69 DenseVector<VWR> &wr,
70 DenseVector<VWI> &wi,
71 IndexType iLoZ,
72 IndexType iHiZ,
73 GeMatrix<MZ> &Z,
74 DenseVector<VWORK> &work);
75
76 //-- forwarding ----------------------------------------------------------------
77 template <typename IndexType, typename MH>
78 IndexType
79 laqr4_wsq(bool wantT,
80 bool wantZ,
81 IndexType iLo,
82 IndexType iHi,
83 const MH &&H);
84
85 template <typename IndexType, typename MH, typename VWR, typename VWI,
86 typename MZ, typename VWORK>
87 IndexType
88 laqr4(bool wantT,
89 bool wantZ,
90 IndexType iLo,
91 IndexType iHi,
92 MH &&H,
93 VWR &&wr,
94 VWI &&wi,
95 IndexType iLoZ,
96 IndexType iHiZ,
97 MZ &&Z,
98 VWORK &&work);
99
100 } } // namespace lapack, flens
101
102 #endif // FLENS_LAPACK_EIG_LAQR4_H