dot.hpp
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1 //===========================================================================
2 /*!
3  *
4  *
5  * \brief -
6  *
7  * \author O. Krause
8  * \date 2016
9  *
10  *
11  * \par Copyright 1995-2015 Shark Development Team
12  *
13  * <BR><HR>
14  * This file is part of Shark.
15  * <http://image.diku.dk/shark/>
16  *
17  * Shark is free software: you can redistribute it and/or modify
18  * it under the terms of the GNU Lesser General Public License as published
19  * by the Free Software Foundation, either version 3 of the License, or
20  * (at your option) any later version.
21  *
22  * Shark is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25  * GNU Lesser General Public License for more details.
26  *
27  * You should have received a copy of the GNU Lesser General Public License
28  * along with Shark. If not, see <http://www.gnu.org/licenses/>.
29  *
30  */
31 //===========================================================================
32 #ifndef REMORA_KERNELS_CLBLAS_DOT_HPP
33 #define REMORA_KERNELS_CLBLAS_DOT_HPP
34 
35 #include "../../expression_types.hpp"
36 #include "../../detail/traits.hpp"
37 #include <boost/compute/algorithm/inner_product.hpp>
38 
39 namespace remora{namespace bindings {
40 
41 template <typename VectorX, typename VectorY, class result_type>
42 void dot(
43  vector_expression<VectorX, gpu_tag> const& x,
44  vector_expression<VectorY, gpu_tag> const& y,
45  result_type& result,
46  dense_tag,
47  dense_tag
48 ){
49  result = boost::compute::inner_product(x().begin(),x().end(),y().begin(), typename VectorX::value_type(0), x().queue());
50 }
51 
52 }}
53 #endif