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_RK_TCC
34 #define FLENS_BLAS_LEVEL3_RK_TCC
35
36 #include <flens/typedefs.h>
37
38 namespace flens { namespace blas {
39
40 //-- herk
41 template <typename ALPHA, typename MA, typename BETA, typename MC>
42 void
43 rk(Transpose trans,
44 const ALPHA &alpha,
45 const GeMatrix<MA> &A,
46 const BETA &beta,
47 HeMatrix<MC> &C)
48 {
49 ASSERT(MC::order==MA::order);
50 typedef typename HeMatrix<MC>::IndexType IndexType;
51
52 IndexType n = (trans==NoTrans) ? A.numRows()
53 : A.numCols();
54 IndexType k = (trans==NoTrans) ? A.numCols()
55 : A.numRows();
56
57 ASSERT((beta==static_cast<BETA>(0)) || (C.dim()==n));
58 if (C.dim()!=n) {
59 C.resize(n, n);
60 }
61
62 ASSERT(C.dim()==((trans==NoTrans) ? A.numRows() : A.numCols()));
63
64 # ifdef HAVE_CXXBLAS_HERK
65 cxxblas::herk(MC::order, C.upLo(),
66 trans, n, k, alpha,
67 A.data(), A.leadingDimension(),
68 beta,
69 C.data(), C.leadingDimension());
70 # else
71 ASSERT(0);
72 # endif
73 }
74
75 //-- syrk
76 template <typename ALPHA, typename MA, typename BETA, typename MC>
77 void
78 rk(Transpose trans,
79 const ALPHA &alpha,
80 const GeMatrix<MA> &A,
81 const BETA &beta,
82 SyMatrix<MC> &C)
83 {
84 ASSERT(MC::order==MA::order);
85
86 typedef typename SyMatrix<MC>::IndexType IndexType;
87
88 IndexType n = (trans==NoTrans) ? A.numRows()
89 : A.numCols();
90 IndexType k = (trans==NoTrans) ? A.numCols()
91 : A.numRows();
92
93 ASSERT((beta==static_cast<BETA>(0)) || (C.dim()==n));
94 if (C.dim()!=n) {
95 C.resize(n, n);
96 }
97
98 ASSERT(C.dim()==((trans==NoTrans) ? A.numRows() : A.numCols()));
99
100 # ifdef HAVE_CXXBLAS_SYRK
101 cxxblas::syrk(MC::order, C.upLo(),
102 trans, n, k, alpha,
103 A.data(), A.leadingDimension(),
104 beta,
105 C.data(), C.leadingDimension());
106 # else
107 ASSERT(0);
108 # endif
109 }
110
111 } } // namespace blas, flens
112
113 #endif // FLENS_BLAS_LEVEL3_RK_TCC
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_RK_TCC
34 #define FLENS_BLAS_LEVEL3_RK_TCC
35
36 #include <flens/typedefs.h>
37
38 namespace flens { namespace blas {
39
40 //-- herk
41 template <typename ALPHA, typename MA, typename BETA, typename MC>
42 void
43 rk(Transpose trans,
44 const ALPHA &alpha,
45 const GeMatrix<MA> &A,
46 const BETA &beta,
47 HeMatrix<MC> &C)
48 {
49 ASSERT(MC::order==MA::order);
50 typedef typename HeMatrix<MC>::IndexType IndexType;
51
52 IndexType n = (trans==NoTrans) ? A.numRows()
53 : A.numCols();
54 IndexType k = (trans==NoTrans) ? A.numCols()
55 : A.numRows();
56
57 ASSERT((beta==static_cast<BETA>(0)) || (C.dim()==n));
58 if (C.dim()!=n) {
59 C.resize(n, n);
60 }
61
62 ASSERT(C.dim()==((trans==NoTrans) ? A.numRows() : A.numCols()));
63
64 # ifdef HAVE_CXXBLAS_HERK
65 cxxblas::herk(MC::order, C.upLo(),
66 trans, n, k, alpha,
67 A.data(), A.leadingDimension(),
68 beta,
69 C.data(), C.leadingDimension());
70 # else
71 ASSERT(0);
72 # endif
73 }
74
75 //-- syrk
76 template <typename ALPHA, typename MA, typename BETA, typename MC>
77 void
78 rk(Transpose trans,
79 const ALPHA &alpha,
80 const GeMatrix<MA> &A,
81 const BETA &beta,
82 SyMatrix<MC> &C)
83 {
84 ASSERT(MC::order==MA::order);
85
86 typedef typename SyMatrix<MC>::IndexType IndexType;
87
88 IndexType n = (trans==NoTrans) ? A.numRows()
89 : A.numCols();
90 IndexType k = (trans==NoTrans) ? A.numCols()
91 : A.numRows();
92
93 ASSERT((beta==static_cast<BETA>(0)) || (C.dim()==n));
94 if (C.dim()!=n) {
95 C.resize(n, n);
96 }
97
98 ASSERT(C.dim()==((trans==NoTrans) ? A.numRows() : A.numCols()));
99
100 # ifdef HAVE_CXXBLAS_SYRK
101 cxxblas::syrk(MC::order, C.upLo(),
102 trans, n, k, alpha,
103 A.data(), A.leadingDimension(),
104 beta,
105 C.data(), C.leadingDimension());
106 # else
107 ASSERT(0);
108 # endif
109 }
110
111 } } // namespace blas, flens
112
113 #endif // FLENS_BLAS_LEVEL3_RK_TCC