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 DGEQRS( M, N, NRHS, A, LDA, TAU, B, LDB, WORK, LWORK,
36 $ INFO )
37 *
38 * -- LAPACK routine (version 3.0) --
39 * Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd.,
40 * Courant Institute, Argonne National Lab, and Rice University
41 * February 29, 1992
42 */
43
44 #ifndef FLENS_LAPACK_QR_QRS_H
45 #define FLENS_LAPACK_QR_QRS_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //TODO: make ref to A const!
53
54 //-- forwarding ----------------------------------------------------------------
55 template <typename MA, typename VTAU, typename MB, typename VWORK>
56 void
57 qrs(MA &&A, const VTAU &tau, MB &&B, VWORK &&work);
58
59 //-- qrs -----------------------------------------------------------------------
60 template <typename MA, typename VTAU, typename MB, typename VWORK>
61 void
62 qrs(GeMatrix<MA> &A, const DenseVector<VTAU> &tau, GeMatrix<MB> &B,
63 DenseVector<VWORK> &work);
64
65 } } // namespace lapack, flens
66
67 #endif // FLENS_LAPACK_QR_QRS_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 DGEQRS( M, N, NRHS, A, LDA, TAU, B, LDB, WORK, LWORK,
36 $ INFO )
37 *
38 * -- LAPACK routine (version 3.0) --
39 * Univ. of Tennessee, Univ. of California Berkeley, NAG Ltd.,
40 * Courant Institute, Argonne National Lab, and Rice University
41 * February 29, 1992
42 */
43
44 #ifndef FLENS_LAPACK_QR_QRS_H
45 #define FLENS_LAPACK_QR_QRS_H 1
46
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49
50 namespace flens { namespace lapack {
51
52 //TODO: make ref to A const!
53
54 //-- forwarding ----------------------------------------------------------------
55 template <typename MA, typename VTAU, typename MB, typename VWORK>
56 void
57 qrs(MA &&A, const VTAU &tau, MB &&B, VWORK &&work);
58
59 //-- qrs -----------------------------------------------------------------------
60 template <typename MA, typename VTAU, typename MB, typename VWORK>
61 void
62 qrs(GeMatrix<MA> &A, const DenseVector<VTAU> &tau, GeMatrix<MB> &B,
63 DenseVector<VWORK> &work);
64
65 } } // namespace lapack, flens
66
67 #endif // FLENS_LAPACK_QR_QRS_H