xref: /aosp_15_r20/external/armnn/include/armnnUtils/TensorUtils.hpp (revision 89c4ff92f2867872bb9e2354d150bf0c8c502810)
1*89c4ff92SAndroid Build Coastguard Worker //
2*89c4ff92SAndroid Build Coastguard Worker // Copyright © 2018-2023 Arm Ltd and Contributors. All rights reserved.
3*89c4ff92SAndroid Build Coastguard Worker // SPDX-License-Identifier: MIT
4*89c4ff92SAndroid Build Coastguard Worker //
5*89c4ff92SAndroid Build Coastguard Worker 
6*89c4ff92SAndroid Build Coastguard Worker #pragma once
7*89c4ff92SAndroid Build Coastguard Worker 
8*89c4ff92SAndroid Build Coastguard Worker #include <armnn/TypesUtils.hpp>
9*89c4ff92SAndroid Build Coastguard Worker #include <armnn/Tensor.hpp>
10*89c4ff92SAndroid Build Coastguard Worker #include <armnn/Types.hpp>
11*89c4ff92SAndroid Build Coastguard Worker #include <armnnUtils/TensorUtils.hpp>
12*89c4ff92SAndroid Build Coastguard Worker #include <utility>
13*89c4ff92SAndroid Build Coastguard Worker #include <vector>
14*89c4ff92SAndroid Build Coastguard Worker 
15*89c4ff92SAndroid Build Coastguard Worker namespace armnn
16*89c4ff92SAndroid Build Coastguard Worker {
17*89c4ff92SAndroid Build Coastguard Worker class ITensorHandle;
18*89c4ff92SAndroid Build Coastguard Worker }  // namespace armnn
19*89c4ff92SAndroid Build Coastguard Worker 
20*89c4ff92SAndroid Build Coastguard Worker namespace armnnUtils
21*89c4ff92SAndroid Build Coastguard Worker {
22*89c4ff92SAndroid Build Coastguard Worker armnn::TensorShape GetTensorShape(unsigned int numberOfBatches,
23*89c4ff92SAndroid Build Coastguard Worker                                   unsigned int numberOfChannels,
24*89c4ff92SAndroid Build Coastguard Worker                                   unsigned int height,
25*89c4ff92SAndroid Build Coastguard Worker                                   unsigned int width,
26*89c4ff92SAndroid Build Coastguard Worker                                   const armnn::DataLayout dataLayout);
27*89c4ff92SAndroid Build Coastguard Worker 
28*89c4ff92SAndroid Build Coastguard Worker armnn::TensorInfo GetTensorInfo(unsigned int numberOfBatches,
29*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int numberOfChannels,
30*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int height,
31*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int width,
32*89c4ff92SAndroid Build Coastguard Worker                                 const armnn::DataLayout dataLayout,
33*89c4ff92SAndroid Build Coastguard Worker                                 const armnn::DataType dataType);
34*89c4ff92SAndroid Build Coastguard Worker 
35*89c4ff92SAndroid Build Coastguard Worker armnn::TensorInfo GetTensorInfo(unsigned int numberOfBatches,
36*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int numberOfChannels,
37*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int depth,
38*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int height,
39*89c4ff92SAndroid Build Coastguard Worker                                 unsigned int width,
40*89c4ff92SAndroid Build Coastguard Worker                                 const armnn::DataLayout dataLayout,
41*89c4ff92SAndroid Build Coastguard Worker                                 const armnn::DataType dataType);
42*89c4ff92SAndroid Build Coastguard Worker 
43*89c4ff92SAndroid Build Coastguard Worker std::pair<float, float> FindMinMax(armnn::ITensorHandle* tensorHandle);
44*89c4ff92SAndroid Build Coastguard Worker 
45*89c4ff92SAndroid Build Coastguard Worker armnn::TensorShape ReduceDims(const armnn::TensorShape& tensorInfo, unsigned int dimensions);
46*89c4ff92SAndroid Build Coastguard Worker 
47*89c4ff92SAndroid Build Coastguard Worker armnn::TensorInfo ReduceDims(const armnn::TensorInfo& tensorInfo, unsigned int dimensions);
48*89c4ff92SAndroid Build Coastguard Worker 
49*89c4ff92SAndroid Build Coastguard Worker armnn::TensorShape ExpandDims(const armnn::TensorShape& tensorShape, int axis);
50*89c4ff92SAndroid Build Coastguard Worker 
51*89c4ff92SAndroid Build Coastguard Worker armnn::TensorShape ExpandDimsToRank(const armnn::TensorShape& tensorShape, unsigned int rank);
52*89c4ff92SAndroid Build Coastguard Worker 
53*89c4ff92SAndroid Build Coastguard Worker std::vector<unsigned int> SqueezeDims(const armnn::TensorShape& tensorShape);
54*89c4ff92SAndroid Build Coastguard Worker 
55*89c4ff92SAndroid Build Coastguard Worker unsigned int GetNumElementsBetween(const armnn::TensorShape& shape,
56*89c4ff92SAndroid Build Coastguard Worker                                    unsigned int firstAxisInclusive,
57*89c4ff92SAndroid Build Coastguard Worker                                    unsigned int lastAxisExclusive);
58*89c4ff92SAndroid Build Coastguard Worker 
59*89c4ff92SAndroid Build Coastguard Worker unsigned int GetUnsignedAxis(const unsigned int inputDimension, const int axis);
60*89c4ff92SAndroid Build Coastguard Worker 
61*89c4ff92SAndroid Build Coastguard Worker unsigned int GetNumElementsAfter(const armnn::TensorShape& shape, unsigned int axis);
62*89c4ff92SAndroid Build Coastguard Worker 
63*89c4ff92SAndroid Build Coastguard Worker std::pair<unsigned int, std::vector<float>> GetPerAxisParams(const armnn::TensorInfo& info);
64*89c4ff92SAndroid Build Coastguard Worker 
65*89c4ff92SAndroid Build Coastguard Worker template<typename PrimitiveType>
66*89c4ff92SAndroid Build Coastguard Worker std::unique_ptr<float[]> ToFloatArray(const std::vector<PrimitiveType>& data, const armnn::TensorInfo& tensorInfo);
67*89c4ff92SAndroid Build Coastguard Worker 
68*89c4ff92SAndroid Build Coastguard Worker std::unique_ptr<float[]> ToFloatArray(const std::vector<uint8_t>& data, const armnn::TensorInfo& tensorInfo);
69*89c4ff92SAndroid Build Coastguard Worker 
70*89c4ff92SAndroid Build Coastguard Worker } // namespace armnnUtils
71