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 DTREXC( COMPQ, N, T, LDT, Q, LDQ, IFST, ILST, WORK,
36 $ INFO )
37 *
38 * -- LAPACK routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_EIG_TREXC_H
45 #define FLENS_LAPACK_EIG_TREXC_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //== trexc =====================================================================
53 template <typename MT, typename MQ, typename IndexType, typename VWORK>
54 IndexType
55 trexc(bool computeQ,
56 GeMatrix<MT> &T,
57 GeMatrix<MQ> &Q,
58 IndexType &iFirst,
59 IndexType &iLast,
60 DenseVector<VWORK> &work);
61
62 //-- forwarding ----------------------------------------------------------------
63 template <typename MT, typename MQ, typename IndexType, typename VWORK>
64 IndexType
65 trexc(bool computeQ,
66 MT &&T,
67 MQ &&Q,
68 IndexType &iFirst,
69 IndexType &iLast,
70 VWORK &&work);
71
72 } } // namespace lapack, flens
73
74 #endif // FLENS_LAPACK_EIG_TREXC_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 DTREXC( COMPQ, N, T, LDT, Q, LDQ, IFST, ILST, WORK,
36 $ INFO )
37 *
38 * -- LAPACK routine (version 3.2) --
39 * -- LAPACK is a software package provided by Univ. of Tennessee, --
40 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
41 * November 2006
42 */
43
44 #ifndef FLENS_LAPACK_EIG_TREXC_H
45 #define FLENS_LAPACK_EIG_TREXC_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //== trexc =====================================================================
53 template <typename MT, typename MQ, typename IndexType, typename VWORK>
54 IndexType
55 trexc(bool computeQ,
56 GeMatrix<MT> &T,
57 GeMatrix<MQ> &Q,
58 IndexType &iFirst,
59 IndexType &iLast,
60 DenseVector<VWORK> &work);
61
62 //-- forwarding ----------------------------------------------------------------
63 template <typename MT, typename MQ, typename IndexType, typename VWORK>
64 IndexType
65 trexc(bool computeQ,
66 MT &&T,
67 MQ &&Q,
68 IndexType &iFirst,
69 IndexType &iLast,
70 VWORK &&work);
71
72 } } // namespace lapack, flens
73
74 #endif // FLENS_LAPACK_EIG_TREXC_H