GCC Code Coverage Report


Directory: gridformat/
File: gridformat/common/math.hpp
Date: 2024-11-10 16:24:00
Exec Total Coverage
Lines: 7 7 100.0%
Functions: 2 4 50.0%
Branches: 1 2 50.0%

Line Branch Exec Source
1 // SPDX-FileCopyrightText: 2022-2023 Dennis Gläser <dennis.glaeser@iws.uni-stuttgart.de>
2 // SPDX-License-Identifier: MIT
3 /*!
4 * \file
5 * \ingroup Common
6 * \brief Common mathematical operations
7 */
8 #ifndef GRIDFORMAT_COMMON_MATH_HPP_
9 #define GRIDFORMAT_COMMON_MATH_HPP_
10
11 #include <ranges>
12 #include <type_traits>
13
14 #include <gridformat/common/type_traits.hpp>
15 #include <gridformat/common/concepts.hpp>
16 #include <gridformat/common/ranges.hpp>
17
18 namespace GridFormat {
19
20 template<Concepts::StaticallySizedMDRange<1> V1,
21 Concepts::StaticallySizedMDRange<1> V2>
22 requires(
23 Concepts::Scalar<std::ranges::range_value_t<V1>> and
24 Concepts::Scalar<std::ranges::range_value_t<V2>> and
25 static_size<V1> == static_size<V2>
26 )
27 45968 auto dot_product(V1&& v1, V2&& v2) {
28 std::common_type_t<
29 std::ranges::range_value_t<V1>,
30 std::ranges::range_value_t<V2>
31 45968 > result{0};
32 45968 auto it1 = std::ranges::begin(v1);
33
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174182 std::ranges::for_each(v2, [&] (const Concepts::Scalar auto value) {
34 129950 result += value*(*it1);
35 129950 ++it1;
36 });
37 45968 return result;
38 }
39
40 } // namespace GridFormat
41
42 #endif // GRIDFORMAT_COMMON_MATH_HPP_
43