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 DLAQR1( N, H, LDH, SR1, SI1, SR2, SI2, V )
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_LAQR1_H
44 #define FLENS_LAPACK_EIG_LAQR1_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== laqr1 =====================================================================
52
53 template <typename MH, typename T, typename VV>
54 void
55 laqr1(GeMatrix<MH> &H,
56 const T &sr1,
57 const T &si1,
58 const T &sr2,
59 const T &si2,
60 DenseVector<VV> &v);
61
62 //-- forwarding ----------------------------------------------------------------
63
64 template <typename MH, typename T, typename VV>
65 void
66 laqr1(MH &&H,
67 const T &sr1,
68 const T &si1,
69 const T &sr2,
70 const T &si2,
71 VV &&v);
72
73 } } // namespace lapack, flens
74
75 #endif // FLENS_LAPACK_EIG_LAQR1_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 DLAQR1( N, H, LDH, SR1, SI1, SR2, SI2, V )
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_LAQR1_H
44 #define FLENS_LAPACK_EIG_LAQR1_H 1
45
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48
49 namespace flens { namespace lapack {
50
51 //== laqr1 =====================================================================
52
53 template <typename MH, typename T, typename VV>
54 void
55 laqr1(GeMatrix<MH> &H,
56 const T &sr1,
57 const T &si1,
58 const T &sr2,
59 const T &si2,
60 DenseVector<VV> &v);
61
62 //-- forwarding ----------------------------------------------------------------
63
64 template <typename MH, typename T, typename VV>
65 void
66 laqr1(MH &&H,
67 const T &sr1,
68 const T &si1,
69 const T &sr2,
70 const T &si2,
71 VV &&v);
72
73 } } // namespace lapack, flens
74
75 #endif // FLENS_LAPACK_EIG_LAQR1_H