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 SUBROUTINE DLAHQR( WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI,
35 $ ILOZ, IHIZ, Z, LDZ, INFO )
36 *
37 * -- LAPACK auxiliary routine (version 3.2) --
38 * Univ. of Tennessee, Univ. of California Berkeley,
39 * Univ. of Colorado Denver and NAG Ltd..
40 * November 2006
41 */
42
43 #ifndef FLENS_LAPACK_EIG_LAHQR_H
44 #define FLENS_LAPACK_EIG_LAHQR_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== lahqr =====================================================================
52 template <typename IndexType, typename MH, typename VWR, typename VWI,
53 typename MZ>
54 IndexType
55 lahqr(bool wantT,
56 bool wantZ,
57 IndexType iLo,
58 IndexType iHi,
59 GeMatrix<MH> &H,
60 DenseVector<VWR> &wr,
61 DenseVector<VWI> &wi,
62 IndexType iLoZ,
63 IndexType iHiZ,
64 GeMatrix<MZ> &Z);
65
66 //-- forwarding ----------------------------------------------------------------
67 template <typename IndexType, typename MH, typename VWR, typename VWI,
68 typename MZ>
69 IndexType
70 lahqr(bool wantT,
71 bool wantZ,
72 IndexType iLo,
73 IndexType iHi,
74 MH &&H,
75 VWR &&wr,
76 VWI &&wi,
77 IndexType iLoZ,
78 IndexType iHiZ,
79 MZ &&Z);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_EIG_LAHQR_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 SUBROUTINE DLAHQR( WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI,
35 $ ILOZ, IHIZ, Z, LDZ, INFO )
36 *
37 * -- LAPACK auxiliary routine (version 3.2) --
38 * Univ. of Tennessee, Univ. of California Berkeley,
39 * Univ. of Colorado Denver and NAG Ltd..
40 * November 2006
41 */
42
43 #ifndef FLENS_LAPACK_EIG_LAHQR_H
44 #define FLENS_LAPACK_EIG_LAHQR_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== lahqr =====================================================================
52 template <typename IndexType, typename MH, typename VWR, typename VWI,
53 typename MZ>
54 IndexType
55 lahqr(bool wantT,
56 bool wantZ,
57 IndexType iLo,
58 IndexType iHi,
59 GeMatrix<MH> &H,
60 DenseVector<VWR> &wr,
61 DenseVector<VWI> &wi,
62 IndexType iLoZ,
63 IndexType iHiZ,
64 GeMatrix<MZ> &Z);
65
66 //-- forwarding ----------------------------------------------------------------
67 template <typename IndexType, typename MH, typename VWR, typename VWI,
68 typename MZ>
69 IndexType
70 lahqr(bool wantT,
71 bool wantZ,
72 IndexType iLo,
73 IndexType iHi,
74 MH &&H,
75 VWR &&wr,
76 VWI &&wi,
77 IndexType iLoZ,
78 IndexType iHiZ,
79 MZ &&Z);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_EIG_LAHQR_H