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 /*
34        SUBROUTINE DLATRS( UPLO, TRANS, DIAG, NORMIN, N, A, LDA, X, SCALE,
35       $                   CNORM, INFO )
36  *
37  *  -- LAPACK auxiliary routine (version 3.2) --
38  *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
39  *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
40  *     November 2006
41  */
42 
43 #ifndef FLENS_LAPACK_AUX_LATRS_H
44 #define FLENS_LAPACK_AUX_LATRS_H 1
45 
46 #include <flens/matrixtypes/matrixtypes.h>
47 #include <flens/vectortypes/vectortypes.h>
48 
49 namespace flens { namespace lapack {
50 
51 //== latrs =====================================================================
52 template <typename MA, typename VX, typename SCALE, typename CNORM>
53     void
54     latrs(Transpose             trans,
55           bool                  normIn,
56           const TrMatrix<MA>    &A,
57           DenseVector<VX>       &x,
58           SCALE                 &scale,
59           DenseVector<CNORM>    &cNorm);
60 
61 //-- forwarding ----------------------------------------------------------------
62 template <typename MA, typename VX, typename SCALE, typename CNORM>
63     void
64     latrs(Transpose  trans,
65           bool       normIn,
66           const MA   &A,
67           VX         &&x,
68           SCALE      &&scale,
69           CNORM      &&cNorm);
70 
71 } } // namespace lapack, flens
72 
73 #endif // FLENS_LAPACK_AUX_LATRS_H