1 /*
 2  *   Copyright (c) 2010, 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 #ifndef FLENS_BLAS_LEVEL3_SM_TCC
34 #define FLENS_BLAS_LEVEL3_SM_TCC
35 
36 #include <flens/typedefs.h>
37 
38 namespace flens { namespace blas {
39 
40 //-- forwarding ----------------------------------------------------------------
41 template <typename ALPHA, typename MA, typename MB>
42 void
43 sm(Side side, Transpose transA,
44    const ALPHA &alpha, const MA &A, MB &&B)
45 {
46     CHECKPOINT_ENTER;
47     sm(side, transA, alpha, A, B);
48     CHECKPOINT_LEAVE;
49 }
50 
51 //-- common interface ----------------------------------------------------------
52 template <typename ALPHA, typename MA, typename MB>
53 void
54 sm(Side side, Transpose transA,
55    const ALPHA &alpha, const TriangularMatrix<MA> &A, Matrix<MB> &B)
56 {
57     sm(side, transA, alpha, A.impl(), B.impl());
58 }
59 
60 //-- trsm
61 template <typename ALPHA, typename MA, typename MB>
62 void
63 sm(Side side, Transpose transA,
64    const ALPHA &alpha, const TrMatrix<MA> &A, GeMatrix<MB> &B)
65 {
66     ASSERT(MB::order==MA::order);
67     ASSERT(A.dim() == (side==Left) ? B.numRows() : B.numCols());
68 
69 #   ifdef HAVE_CXXBLAS_TRSM
70     cxxblas::trsm(MA::order, side, A.upLo(),
71                   transA, A.diag(),
72                   B.numRows(), B.numCols(),
73                   alpha,
74                   A.data(), A.leadingDimension(),
75                   B.data(), B.leadingDimension());
76 #   else
77     ASSERT(0);
78 #   endif
79 }
80 
81 } } // namespace blas, flens
82 
83 #endif // FLENS_BLAS_LEVEL3_SM_TCC