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 DGEEV( JOBVL, JOBVR, N, A, LDA, WR, WI, VL, LDVL, VR,
36 $ LDVR, WORK, LWORK, INFO )
37 *
38 * -- LAPACK driver 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 #ifndef FLENS_LAPACK_EIG_EV_H
45 #define FLENS_LAPACK_EIG_EV_H 1
46
47 #include <flens/aux/aux.h>
48 #include <flens/matrixtypes/matrixtypes.h>
49 #include <flens/vectortypes/vectortypes.h>
50
51 namespace flens { namespace lapack {
52
53 //== ev_wsq (workspace query) ==================================================
54 template <typename MA>
55 Pair<typename GeMatrix<MA>::IndexType>
56 ev_wsq(bool computeVL, bool computeVR, GeMatrix<MA> &A);
57
58 //== ev ========================================================================
59 template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR,
60 typename VWORK>
61 typename GeMatrix<MA>::IndexType
62 ev(bool computeVL, bool computeVR,
63 GeMatrix<MA> &A,
64 DenseVector<VWR> &wr, DenseVector<VWI> &wi,
65 GeMatrix<MVL> &VL, GeMatrix<MVR> &VR,
66 DenseVector<VWORK> &work);
67
68 //-- forwarding ----------------------------------------------------------------
69 template <typename MA>
70 typename MA::IndexType
71 ev_wsq(bool computeVL, bool computeVR, MA &&A);
72
73 template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR,
74 typename VWORK>
75 typename MA::IndexType
76 ev(bool computeVL, bool computeVR,
77 MA &&A, VWR &&wr, VWI &&wi,
78 MVL &&VL, MVR &&VR,
79 VWORK &&work);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_EIG_EV_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 DGEEV( JOBVL, JOBVR, N, A, LDA, WR, WI, VL, LDVL, VR,
36 $ LDVR, WORK, LWORK, INFO )
37 *
38 * -- LAPACK driver 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 #ifndef FLENS_LAPACK_EIG_EV_H
45 #define FLENS_LAPACK_EIG_EV_H 1
46
47 #include <flens/aux/aux.h>
48 #include <flens/matrixtypes/matrixtypes.h>
49 #include <flens/vectortypes/vectortypes.h>
50
51 namespace flens { namespace lapack {
52
53 //== ev_wsq (workspace query) ==================================================
54 template <typename MA>
55 Pair<typename GeMatrix<MA>::IndexType>
56 ev_wsq(bool computeVL, bool computeVR, GeMatrix<MA> &A);
57
58 //== ev ========================================================================
59 template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR,
60 typename VWORK>
61 typename GeMatrix<MA>::IndexType
62 ev(bool computeVL, bool computeVR,
63 GeMatrix<MA> &A,
64 DenseVector<VWR> &wr, DenseVector<VWI> &wi,
65 GeMatrix<MVL> &VL, GeMatrix<MVR> &VR,
66 DenseVector<VWORK> &work);
67
68 //-- forwarding ----------------------------------------------------------------
69 template <typename MA>
70 typename MA::IndexType
71 ev_wsq(bool computeVL, bool computeVR, MA &&A);
72
73 template <typename MA, typename VWR, typename VWI, typename MVL, typename MVR,
74 typename VWORK>
75 typename MA::IndexType
76 ev(bool computeVL, bool computeVR,
77 MA &&A, VWR &&wr, VWI &&wi,
78 MVL &&VL, MVR &&VR,
79 VWORK &&work);
80
81 } } // namespace lapack, flens
82
83 #endif // FLENS_LAPACK_EIG_EV_H