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 DGEBAK( JOB, SIDE, N, ILO, IHI, SCALE, M, V, LDV,
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_BAK_H
45 #define FLENS_LAPACK_EIG_BAK_H 1
46 
47 #include <flens/matrixtypes/matrixtypes.h>
48 #include <flens/vectortypes/vectortypes.h>
49 
50 namespace flens { namespace lapack {
51 
52 //== bak =======================================================================
53 template <typename IndexType, typename VSCALE, typename MV>
54     void
55     bak(BALANCE::Balance            job,
56         Side                        side,
57         IndexType                   iLo,
58         IndexType                   iHi,
59         const DenseVector<VSCALE>   &scale,
60         GeMatrix<MV>                &V);
61 
62 //-- forwarding ----------------------------------------------------------------
63 template <typename IndexType, typename VSCALE, typename MV>
64     void
65     bak(BALANCE::Balance            job,
66         Side                        side,
67         IndexType                   iLo,
68         IndexType                   iHi,
69         const VSCALE                &scale,
70         MV                          &&V);
71 
72 } } // namespace lapack, flens
73 
74 #endif // FLENS_LAPACK_EIG_BAK_H