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
118
|
/*
* Copyright (c) 2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ARM_COMPUTE_TEST_FFT_H
#define ARM_COMPUTE_TEST_FFT_H
#include "tests/SimpleTensor.h"
#include "tests/validation/Helpers.h"
namespace arm_compute
{
namespace test
{
namespace validation
{
namespace reference
{
enum class FFTDirection
{
Forward,
Inverse
};
/** Performs an one dimensional DFT on a real input.
*
* @param[in] src Source tensor.
*
* @return Complex output of length n/2 + 1 due to symmetry.
*/
template <typename T>
SimpleTensor<T> rdft_1d(const SimpleTensor<T> &src);
/** Performs an one dimensional inverse DFT on a real input.
*
* @param[in] src Source tensor.
* @param[in] is_odd (Optional) Specifies if the output has odd dimensions.
* Is used by the inverse variant to reconstruct odd sequences.
*
* @return Complex output of length n/2 + 1 due to symmetry.
*/
template <typename T>
SimpleTensor<T> ridft_1d(const SimpleTensor<T> &src, bool is_odd = false);
/** Performs an one dimensional DFT on a complex input.
*
* @param[in] src Source tensor.
* @param[in] direction Direction of the DFT.
*
* @return Complex output of same length as input.
*/
template <typename T>
SimpleTensor<T> dft_1d(const SimpleTensor<T> &src, FFTDirection direction);
/** Performs a two dimensional DFT on a real input.
*
* @param[in] src Source tensor.
*
* @return Complex output of length n/2 + 1 across width due to symmetry and height of same size as the input.
*/
template <typename T>
SimpleTensor<T> rdft_2d(const SimpleTensor<T> &src);
/** Performs a two dimensional inverse DFT on a real input.
*
* @param[in] src Source tensor.
* @param[in] is_odd (Optional) Specifies if the output has odd dimensions across width.
* Is used by the inverse variant to reconstruct odd sequences.
*
* @return Complex output of length n/2 + 1 across width due to symmetry and height of same size as the input.
*/
template <typename T>
SimpleTensor<T> ridft_2d(const SimpleTensor<T> &src, bool is_odd = false);
/** Performs a two dimensional DFT on a complex input.
*
* @param[in] src Source tensor.
* @param[in] direction Direction of the DFT.
*
* @return Complex output of same length as input.
*/
template <typename T>
SimpleTensor<T> dft_2d(const SimpleTensor<T> &src, FFTDirection direction);
/** Performs and DFT based convolution on a real input.
*
* @param[in] src Source tensor.
* @param[in] w Weights tensor.
* @param[in] conv_info Convolution related metadata.
*
* @return The output tensor.
*/
template <typename T>
SimpleTensor<T> conv2d_dft(const SimpleTensor<T> &src, const SimpleTensor<T> &w, const PadStrideInfo &conv_info);
} // namespace reference
} // namespace validation
} // namespace test
} // namespace arm_compute
#endif /* ARM_COMPUTE_TEST_FFT_H */
|
