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_R2K_H
34 #define FLENS_BLAS_LEVEL3_R2K_H
35 
36 #include <cxxblas/cxxblas.h>
37 #include <flens/matrixtypes/matrixtypes.h>
38 #include <flens/typedefs.h>
39 
40 namespace flens { namespace blas {
41 
42 //-- her2k
43 template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
44     void
45     r2k(Transpose trans,
46         const ALPHA &alpha,
47         const GeMatrix<MA> &A, const GeMatrix<MB> &B,
48         const BETA &beta,
49         HeMatrix<MC> &C);
50 
51 //-- syr2k
52 template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
53     void
54     r2k(Transpose trans,
55         const ALPHA &alpha,
56         const GeMatrix<MA> &A, const GeMatrix<MB> &B,
57         const BETA &beta,
58         SyMatrix<MC> &C);
59 
60 } } // namespace blas, flens
61 
62 #endif // FLENS_BLAS_LEVEL3_R2K_H