Compute Library
 20.02.1
Col2Im.cpp
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24 #include "Col2Im.h"
25 
28 
29 namespace arm_compute
30 {
31 namespace test
32 {
33 namespace validation
34 {
35 namespace reference
36 {
37 template <typename T>
39 {
40  SimpleTensor<T> dst{ dst_shape, src.data_type(), 1 };
41 
42  // Compute reference
43  const size_t batches = dst_shape.total_size() / (dst_shape.x() * dst_shape.y() * dst_shape.z());
44  const size_t src_width = src.shape().x();
45  const size_t src_height = src.shape().y();
46 
47  if(num_groups == 1)
48  {
49  // Batches are on the 3rd dimension of the input tensor
50  int dst_idx = 0;
51  for(size_t b = 0; b < batches; ++b)
52  {
53  for(size_t x = 0; x < src_width; ++x)
54  {
55  for(size_t y = 0; y < src_height; ++y)
56  {
57  dst[dst_idx++] = src[coord2index(src.shape(), Coordinates(x, y, b))];
58  }
59  }
60  }
61  }
62  else
63  {
64  int dst_idx = 0;
65  for(size_t b = 0; b < batches; ++b)
66  {
67  for(size_t g = 0; g < num_groups; ++g)
68  {
69  for(size_t x = 0; x < src_width; ++x)
70  {
71  for(size_t y = 0; y < src_height; ++y)
72  {
73  dst[dst_idx++] = src[coord2index(src.shape(), Coordinates(x, y, g, b))];
74  }
75  }
76  }
77  }
78  }
79  return dst;
80 }
81 
83 template SimpleTensor<half> col2im(const SimpleTensor<half> &src, const TensorShape &dst_shape, unsigned int num_groups);
85 } // namespace reference
86 } // namespace validation
87 } // namespace test
88 } // namespace arm_compute
Shape of a tensor.
Definition: TensorShape.h:39
SimpleTensor< float > b
Definition: DFT.cpp:157
Copyright (c) 2017-2020 ARM Limited.
int coord2index(const TensorShape &shape, const Coordinates &coord)
Linearise the given coordinate.
Definition: Utils.h:485
T x() const
Alias to access the size of the first dimension.
Definition: Dimensions.h:81
T z() const
Alias to access the size of the third dimension.
Definition: Dimensions.h:91
const unsigned int num_groups
Definition: Im2Col.cpp:148
Coordinates of an item.
Definition: Coordinates.h:37
size_t total_size() const
Collapses all dimensions to a single linear total size.
Definition: TensorShape.h:171
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:59
T y() const
Alias to access the size of the second dimension.
Definition: Dimensions.h:86
SimpleTensor< T > col2im(const SimpleTensor< T > &src, const TensorShape &dst_shape, unsigned int num_groups)
Definition: Col2Im.cpp:38
cast configure & src
Definition: Cast.cpp:169