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
|
/*
* Copyright (c) 2018 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_UTILS_HELPERS_TENSOR_TRANSFORM_H__
#define __ARM_COMPUTE_UTILS_HELPERS_TENSOR_TRANSFORM_H__
#include "arm_compute/core/Types.h"
namespace arm_compute
{
namespace helpers
{
namespace tensor_transform
{
/** Returns the absolute start coordinates of strided slice
*
* @param[in] input_shape Input tensor shape
* @param[in] starts Start coordinates
* @param[in] strides Slice strides
* @param[in] begin_mask (Optional) If the ith bit of begin_mask is set, begin[i] is ignored and
* the fullest possible range in that dimension is used instead.
*
* @return Absolute start coordinates
*/
Coordinates strided_slice_absolute_start_coords(TensorShape input_shape, Coordinates starts, Coordinates strides, int32_t begin_mask = 0);
/** Returns the absolute ends coordinates of strided slice
*
* @param[in] input_shape Input tensor shape
* @param[in] starts_abs Absolute start coordinates
* @param[in] ends End coordinates
* @param[in] strides Slice strides
* @param[in] end_mask (Optional) If the ith bit of end_mask is set, end[i] is ignored and
* the fullest possible range in that dimension is used instead.
* @param[in] shrink_axis_mask (Optional) If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1.
* A slice of size 1 starting from begin[i] in the dimension must be preserved.
*
* @return Absolute end coordinates
*/
Coordinates strided_slice_absolute_end_coords(TensorShape input_shape, Coordinates starts_abs, Coordinates ends, Coordinates strides,
int32_t end_mask = 0, int32_t shrink_axis_mask = 0);
/** Returns the final strides of strided slice
*
* @param[in] input_shape Input tensor shape
* @param[in] strides Slice strides
*
* @return The final strides need by strided slice
*/
Coordinates strided_slice_strides(TensorShape input_shape, Coordinates strides);
/** Computes output shape of a strided slice
*
* @param[in] input_shape Input tensor shape
* @param[in] starts_abs Absolute start coordinates
* @param[in] ends_abs Absolute end coordinates
* @param[in] final_strides Slice strides
*
* @return The output tensor shape
*/
TensorShape compute_strided_slice_output_shape(TensorShape input_shape, Coordinates starts_abs, Coordinates ends_abs, Coordinates final_strides);
} // namespace tensor_tranform
} // namespace helpers
} // namespace arm_compute
#endif /* __ARM_COMPUTE_UTILS_HELPERS_TENSOR_TRANSFORM_H__ */
|
