1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file Object.h
* @brief This file contains Object class
* @ingroup COM_AI_RUNTIME
*/
#ifndef __NNFW_MISC_FEATURE_OBJECT_H__
#define __NNFW_MISC_FEATURE_OBJECT_H__
#include "misc/feature/Shape.h"
#include "misc/feature/Index.h"
#include "misc/feature/Reader.h"
#include <vector>
namespace nnfw
{
namespace misc
{
namespace feature
{
/**
* @brief Class to have information of the operand for feature
*/
template <typename T> class Object final : public Reader<T>
{
public:
using Generator = std::function<T(const Shape &shape, const Index &index)>;
public:
/**
* @brief Construct Object object with Shape of feature and set value used by Generator
* @param[in] shape Reference of Shape for feature
* @param[in] fn A function to set values of operand tensor
*/
Object(const Shape &shape, const Generator &fn) : _shape{shape}
{
_value.resize(_shape.C * _shape.H * _shape.W);
for (int32_t ch = 0; ch < _shape.C; ++ch)
{
for (int32_t row = 0; row < _shape.H; ++row)
{
for (int32_t col = 0; col < _shape.W; ++col)
{
_value.at(offsetOf(ch, row, col)) = fn(_shape, Index{ch, row, col});
}
}
}
}
public:
/**
* @brief Get Shape of feature as the reference
* @return The reference of the width value
*/
const Shape &shape(void) const { return _shape; }
public:
/**
* @brief Get the value used by three indexes
* @param[in] ch The depth index
* @param[in] row The height index
* @param[in] col The width index
* @return The value at the offset
*/
T at(uint32_t ch, uint32_t row, uint32_t col) const override
{
return _value.at(offsetOf(ch, row, col));
}
private:
/**
* @brief Get the offset value at three indexes
* @param[in] ch The depth index
* @param[in] row The height index
* @param[in] col The width index
* @return The offset value
*/
uint32_t offsetOf(uint32_t ch, uint32_t row, uint32_t col) const
{
return ch * _shape.H * _shape.W + row * _shape.W + col;
}
private:
/**
* @brief Shape of operand
*/
Shape _shape;
/**
* @brief The tensor vector of operand
*/
std::vector<T> _value;
};
} // namespace feature
} // namespace misc
} // namespace nnfw
#endif // __NNFW_MISC_FEATURE_OBJECT_H__
|
