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 #include <cxxblas/cxxblas.h>
34 #include <flens/aux/macros.h>
35 #include <flens/typedefs.h>
36 #include <flens/vectortypes/impl/densevector.h>
37
38 namespace flens { namespace blas {
39
40 //-- rotg
41 template <typename T>
42 void
43 rotg(T &a, T &b, T &c, T &s)
44 {
45 # ifdef HAVE_CXXBLAS_ROTG
46 rotg(a, b, c, s);
47 # else
48 ASSERT(0);
49 # endif
50 }
51
52
53 //-- forwarding: rot -----------------------------------------------------------
54 template <typename VX, typename VY, typename T>
55 void
56 rot(VX &&x, VY &&y, const T &c, const T &s)
57 {
58 rot(x, y, c, s);
59 }
60
61 //-- rot
62 template <typename VX, typename VY, typename T>
63 void
64 rot(DenseVector<VX> &x, DenseVector<VY> &y, const T &c, const T &s)
65 {
66 ASSERT(x.length()==y.length());
67 # ifdef HAVE_CXXBLAS_ROT
68 cxxblas::rot(x.length(), x.data(), x.stride(), y.data(), y.stride(), c, s);
69 # else
70 ASSERT(0);
71 # endif
72 }
73
74
75 } } // namespace blas, flens
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 #include <cxxblas/cxxblas.h>
34 #include <flens/aux/macros.h>
35 #include <flens/typedefs.h>
36 #include <flens/vectortypes/impl/densevector.h>
37
38 namespace flens { namespace blas {
39
40 //-- rotg
41 template <typename T>
42 void
43 rotg(T &a, T &b, T &c, T &s)
44 {
45 # ifdef HAVE_CXXBLAS_ROTG
46 rotg(a, b, c, s);
47 # else
48 ASSERT(0);
49 # endif
50 }
51
52
53 //-- forwarding: rot -----------------------------------------------------------
54 template <typename VX, typename VY, typename T>
55 void
56 rot(VX &&x, VY &&y, const T &c, const T &s)
57 {
58 rot(x, y, c, s);
59 }
60
61 //-- rot
62 template <typename VX, typename VY, typename T>
63 void
64 rot(DenseVector<VX> &x, DenseVector<VY> &y, const T &c, const T &s)
65 {
66 ASSERT(x.length()==y.length());
67 # ifdef HAVE_CXXBLAS_ROT
68 cxxblas::rot(x.length(), x.data(), x.stride(), y.data(), y.stride(), c, s);
69 # else
70 ASSERT(0);
71 # endif
72 }
73
74
75 } } // namespace blas, flens