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 #ifndef FLENS_BLAS_LEVEL2_R_TCC
34 #define FLENS_BLAS_LEVEL2_R_TCC 1
35
36 #include <cxxblas/cxxblas.h>
37 #include <flens/matrixtypes/matrixtypes.h>
38 #include <flens/vectortypes/vectortypes.h>
39
40 namespace flens { namespace blas {
41
42 //-- forwarding ----------------------------------------------------------------
43 template <typename ALPHA, typename VX, typename VY, typename MA>
44 void
45 r(const ALPHA &alpha, const VX &x, const VY &y, MA &&A)
46 {
47 r(alpha, x, y, A);
48 }
49
50 //-- GeMatrix, DenseVector -----------------------------------------------------
51
52 //-- ger
53 template <typename ALPHA, typename VX, typename VY, typename MA>
54 void
55 r(const ALPHA &alpha,
56 const DenseVector<VX> &x, const DenseVector<VY> &y,
57 GeMatrix<MA> &A)
58 {
59 if ((x.length()!=A.numRows()) || (y.length()!=A.numCols())) {
60 A.resize(x.length(), y.length(), x.firstIndex(), y.firstIndex());
61 }
62 cxxblas::ger(A.order(),
63 A.numRows(), A.numCols(),
64 alpha,
65 x.data(), x.stride(),
66 y.data(), y.stride(),
67 A.data(), A.leadingDimension());
68 }
69
70 } } // namespace blas, flens
71
72 #endif // FLENS_BLAS_LEVEL2_R_TCC
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 #ifndef FLENS_BLAS_LEVEL2_R_TCC
34 #define FLENS_BLAS_LEVEL2_R_TCC 1
35
36 #include <cxxblas/cxxblas.h>
37 #include <flens/matrixtypes/matrixtypes.h>
38 #include <flens/vectortypes/vectortypes.h>
39
40 namespace flens { namespace blas {
41
42 //-- forwarding ----------------------------------------------------------------
43 template <typename ALPHA, typename VX, typename VY, typename MA>
44 void
45 r(const ALPHA &alpha, const VX &x, const VY &y, MA &&A)
46 {
47 r(alpha, x, y, A);
48 }
49
50 //-- GeMatrix, DenseVector -----------------------------------------------------
51
52 //-- ger
53 template <typename ALPHA, typename VX, typename VY, typename MA>
54 void
55 r(const ALPHA &alpha,
56 const DenseVector<VX> &x, const DenseVector<VY> &y,
57 GeMatrix<MA> &A)
58 {
59 if ((x.length()!=A.numRows()) || (y.length()!=A.numCols())) {
60 A.resize(x.length(), y.length(), x.firstIndex(), y.firstIndex());
61 }
62 cxxblas::ger(A.order(),
63 A.numRows(), A.numCols(),
64 alpha,
65 x.data(), x.stride(),
66 y.data(), y.stride(),
67 A.data(), A.leadingDimension());
68 }
69
70 } } // namespace blas, flens
71
72 #endif // FLENS_BLAS_LEVEL2_R_TCC