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 DLAQR0( 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, Univ. of Colorado Denver and NAG Ltd..
40 * November 2006
41 */
42
43 #ifndef FLENS_LAPACK_EIG_LAQR0_H
44 #define FLENS_LAPACK_EIG_LAQR0_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== laqr0 =====================================================================
52 template <typename IndexType, typename MH>
53 IndexType
54 laqr0_wsq(bool wantT,
55 bool wantZ,
56 IndexType iLo,
57 IndexType iHi,
58 const GeMatrix<MH> &H);
59
60 template <typename IndexType, typename MH, typename VWR, typename VWI,
61 typename MZ, typename VWORK>
62 IndexType
63 laqr0(bool wantT,
64 bool wantZ,
65 IndexType iLo,
66 IndexType iHi,
67 GeMatrix<MH> &H,
68 DenseVector<VWR> &wr,
69 DenseVector<VWI> &wi,
70 IndexType iLoZ,
71 IndexType iHiZ,
72 GeMatrix<MZ> &Z,
73 DenseVector<VWORK> &work);
74
75 //-- forwarding ----------------------------------------------------------------
76 template <typename IndexType, typename MH>
77 IndexType
78 laqr0_wsq(bool wantT,
79 bool wantZ,
80 IndexType iLo,
81 IndexType iHi,
82 const MH &&H);
83
84 template <typename IndexType, typename MH, typename VWR, typename VWI,
85 typename MZ, typename VWORK>
86 IndexType
87 laqr0(bool wantT,
88 bool wantZ,
89 IndexType iLo,
90 IndexType iHi,
91 MH &&H,
92 VWR &&wr,
93 VWI &&wi,
94 IndexType iLoZ,
95 IndexType iHiZ,
96 MZ &&Z,
97 VWORK &&work);
98
99 } } // namespace lapack, flens
100
101 #endif // FLENS_LAPACK_EIG_LAQR0_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 DLAQR0( 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, Univ. of Colorado Denver and NAG Ltd..
40 * November 2006
41 */
42
43 #ifndef FLENS_LAPACK_EIG_LAQR0_H
44 #define FLENS_LAPACK_EIG_LAQR0_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== laqr0 =====================================================================
52 template <typename IndexType, typename MH>
53 IndexType
54 laqr0_wsq(bool wantT,
55 bool wantZ,
56 IndexType iLo,
57 IndexType iHi,
58 const GeMatrix<MH> &H);
59
60 template <typename IndexType, typename MH, typename VWR, typename VWI,
61 typename MZ, typename VWORK>
62 IndexType
63 laqr0(bool wantT,
64 bool wantZ,
65 IndexType iLo,
66 IndexType iHi,
67 GeMatrix<MH> &H,
68 DenseVector<VWR> &wr,
69 DenseVector<VWI> &wi,
70 IndexType iLoZ,
71 IndexType iHiZ,
72 GeMatrix<MZ> &Z,
73 DenseVector<VWORK> &work);
74
75 //-- forwarding ----------------------------------------------------------------
76 template <typename IndexType, typename MH>
77 IndexType
78 laqr0_wsq(bool wantT,
79 bool wantZ,
80 IndexType iLo,
81 IndexType iHi,
82 const MH &&H);
83
84 template <typename IndexType, typename MH, typename VWR, typename VWI,
85 typename MZ, typename VWORK>
86 IndexType
87 laqr0(bool wantT,
88 bool wantZ,
89 IndexType iLo,
90 IndexType iHi,
91 MH &&H,
92 VWR &&wr,
93 VWI &&wi,
94 IndexType iLoZ,
95 IndexType iHiZ,
96 MZ &&Z,
97 VWORK &&work);
98
99 } } // namespace lapack, flens
100
101 #endif // FLENS_LAPACK_EIG_LAQR0_H