GCC Code Coverage Report


Directory: ./
File: include/pdcom5/SizeTypeInfo.h
Date: 2024-02-26 09:07:35
Exec Total Coverage
Lines: 20 20 100.0%
Branches: 20 24 83.3%

Line Branch Exec Source
1 /*****************************************************************************
2 *
3 * Copyright (C) 2021 Richard Hacker (lerichi at gmx dot net),
4 * Florian Pose (fp at igh dot de),
5 * Bjarne von Horn (vh at igh dot de).
6 *
7 * This file is part of the PdCom library.
8 *
9 * The PdCom library is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or (at your
12 * option) any later version.
13 *
14 * The PdCom library is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17 * License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with the PdCom library. If not, see <http://www.gnu.org/licenses/>.
21 *
22 *****************************************************************************/
23
24 #ifndef PDCOM5_SIZETYPEINFO_H
25 #define PDCOM5_SIZETYPEINFO_H
26
27 #include <cstddef>
28 #include <vector>
29
30 namespace PdCom {
31
32 /** Type of a Variable */
33 struct TypeInfo
34 {
35 enum DataType {
36 DataTypeBegin = 0,
37 boolean_T = DataTypeBegin,
38 uint8_T,
39 int8_T,
40 uint16_T,
41 int16_T,
42 uint32_T,
43 int32_T,
44 uint64_T,
45 int64_T,
46 double_T,
47 single_T,
48 char_T,
49 DataTypeEnd // keep this as the very last one!
50 };
51
52 DataType type;
53 /** name of the correspondig c type (double, char, ...) */
54 const char *ctype;
55 /** Size of one element in bytes */
56 size_t element_size;
57 constexpr TypeInfo(
58 DataType type,
59 const char *ctype,
60 size_t element_size) noexcept :
61 type(type), ctype(ctype), element_size(element_size)
62 {}
63 };
64
65 /** Size of a Variable */
66 929 class SizeInfo : public std::vector<unsigned int>
67 {
68 public:
69 64 using std::vector<unsigned int>::vector;
70
71
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86 bool isScalar() const { return size() == 1 && (*this)[0] == 1; }
72
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6 bool isVector() const { return size() == 1 && (*this)[0] > 1; }
73 6 bool is2DMatrix() const { return size() == 2; }
74 73 std::size_t dimension() const noexcept
75 {
76
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73 return size() == 1 && (*this)[0] == 1 ? 0 : size();
77 }
78
79 609 std::size_t totalElements() const
80 {
81
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609 if (empty())
82 1 return 0;
83 608 std::size_t ans = 1;
84
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1230 for (auto i : *this)
85 622 ans *= i;
86 608 return ans;
87 }
88
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56 static SizeInfo Scalar() { return {1U}; }
89
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4 static SizeInfo RowVector(unsigned int rows) { return {rows}; }
90 3 static SizeInfo Matrix(unsigned int rows, unsigned int cols)
91 {
92
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3 return {{rows, cols}};
93 }
94 static SizeInfo
95 1 Matrix(unsigned int layers, unsigned int rows, unsigned int cols)
96 {
97
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1 return {{layers, rows, cols}};
98 }
99
100 unsigned int layers() const
101 {
102 if (empty())
103 return 0;
104 return size() >= 3 ? operator[](size() - 3) : 1;
105 }
106
107 unsigned int rows() const
108 {
109 if (empty())
110 return 0;
111 return size() >= 2 ? operator[](size() - 2) : 1;
112 }
113
114 unsigned int columns() const { return empty() ? 0 : back(); }
115 };
116 } // namespace PdCom
117
118
119 #endif // PDCOM5_SIZETYPEINFO_H
120