1 /*
2 * Copyright (c) 2009, 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_LEVEL1_ROTM_TCC
34 #define FLENS_BLAS_LEVEL1_ROTM_TCC 1
35
36 #include <cxxblas/cxxblas.h>
37 #include <flens/aux/macros.h>
38 #include <flens/storage/storage.h>
39 #include <flens/typedefs.h>
40
41 namespace flens { namespace blas {
42
43 //-- rotmg
44 template <typename T, typename VP>
45 void
46 rotmg(T &a, T &b, T &c, T &s, DenseVector<VP> &p)
47 {
48 # ifdef HAVE_CXXBLAS_ROTMG
49 typedef typename DenseVector<VP>::IndexType IndexType;
50
51 ASSERT(p.length()==IndexType(5));
52
53 cxxblas::rotmg(p.length(), a, b, c, s, p.data());
54 # else
55 ASSERT(0);
56 # endif
57 }
58
59 //-- forwarding: rotm ----------------------------------------------------------
60 template <typename VX, typename VY, typename VP>
61 void
62 rotm(VX &&x, VY &&y, const VP &p)
63 {
64 rotm(x, y, p);
65 }
66
67 //-- rotm
68 template <typename VX, typename VY, typename VP>
69 void
70 rotm(DenseVector<VX> &x, DenseVector<VY> &y, const DenseVector<VP> &p)
71 {
72 # ifdef HAVE_CXXBLAS_ROTM
73 typedef typename DenseVector<VX>::IndexType IndexType;
74
75 ASSERT(p.length()==IndexType(5));
76 ASSERT(x.length()==y.length());
77
78 const IndexType n = x.length();
79
80 cxxblas::rotm(n, x.data(), x.stride(), y.data(), y.stride(), p.data());
81
82 # else
83 ASSERT(0);
84 # endif
85 }
86
87 } } // namespace blas, flens
88
89 #endif // FLENS_BLAS_LEVEL1_ROT_TCC
2 * Copyright (c) 2009, 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_LEVEL1_ROTM_TCC
34 #define FLENS_BLAS_LEVEL1_ROTM_TCC 1
35
36 #include <cxxblas/cxxblas.h>
37 #include <flens/aux/macros.h>
38 #include <flens/storage/storage.h>
39 #include <flens/typedefs.h>
40
41 namespace flens { namespace blas {
42
43 //-- rotmg
44 template <typename T, typename VP>
45 void
46 rotmg(T &a, T &b, T &c, T &s, DenseVector<VP> &p)
47 {
48 # ifdef HAVE_CXXBLAS_ROTMG
49 typedef typename DenseVector<VP>::IndexType IndexType;
50
51 ASSERT(p.length()==IndexType(5));
52
53 cxxblas::rotmg(p.length(), a, b, c, s, p.data());
54 # else
55 ASSERT(0);
56 # endif
57 }
58
59 //-- forwarding: rotm ----------------------------------------------------------
60 template <typename VX, typename VY, typename VP>
61 void
62 rotm(VX &&x, VY &&y, const VP &p)
63 {
64 rotm(x, y, p);
65 }
66
67 //-- rotm
68 template <typename VX, typename VY, typename VP>
69 void
70 rotm(DenseVector<VX> &x, DenseVector<VY> &y, const DenseVector<VP> &p)
71 {
72 # ifdef HAVE_CXXBLAS_ROTM
73 typedef typename DenseVector<VX>::IndexType IndexType;
74
75 ASSERT(p.length()==IndexType(5));
76 ASSERT(x.length()==y.length());
77
78 const IndexType n = x.length();
79
80 cxxblas::rotm(n, x.data(), x.stride(), y.data(), y.stride(), p.data());
81
82 # else
83 ASSERT(0);
84 # endif
85 }
86
87 } } // namespace blas, flens
88
89 #endif // FLENS_BLAS_LEVEL1_ROT_TCC