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_DOT_TCC
34 #define FLENS_BLAS_LEVEL1_DOT_TCC 1
35 
36 #include <flens/aux/macros.h>
37 #include <flens/typedefs.h>
38 
39 namespace flens { namespace blas {
40 
41 template <typename X, typename Y, typename T>
42 void
43 dot(const DenseVector<X> &x, const DenseVector<Y> &y, T &result)
44 {
45     FLENS_BLASLOG_SETTAG("--> ");
46     FLENS_BLASLOG_BEGIN_DOT(x, y);
47 
48     ASSERT(x.length()==y.length());
49 
50 #   ifdef HAVE_CXXBLAS_DOT
51     cxxblas::dot(x.length(),
52                  x.data(), x.stride(),
53                  y.data(), y.stride(), result);
54 #   else
55     ASSERT(0);
56 #   endif
57 
58     FLENS_BLASLOG_END;
59     FLENS_BLASLOG_UNSETTAG;
60 }
61 
62 template <typename X, typename Y, typename T>
63 void
64 dotu(const DenseVector<X> &x, const DenseVector<Y> &y, T &result)
65 {
66     FLENS_BLASLOG_SETTAG("--> ");
67     FLENS_BLASLOG_BEGIN_DOTU(x, y);
68 
69     ASSERT(x.length()==y.length());
70 
71 #   ifdef HAVE_CXXBLAS_DOTU
72     cxxblas::dotu(x.length(),
73                   x.data(), x.stride(),
74                   y.data(), y.stride(), result);
75 #   else
76     ASSERT(0);
77 #   endif
78 
79     FLENS_BLASLOG_END;
80     FLENS_BLASLOG_UNSETTAG;
81 }
82 
83 } } // namespace blas, flens
84 
85 #endif // FLENS_BLAS_LEVEL1_DOT_TCC