Compute Library
 21.08
DepthToSpaceLayer.cpp
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24 #include "DepthToSpaceLayer.h"
25 
27 
28 namespace arm_compute
29 {
30 namespace test
31 {
32 namespace validation
33 {
34 namespace reference
35 {
36 // Batch to Space
37 template <typename T>
39 {
40  ARM_COMPUTE_ERROR_ON(block_shape <= 0);
41  SimpleTensor<T> result(dst_shape, src.data_type());
42 
43  const auto width_in = static_cast<int>(src.shape()[0]);
44  const auto height_in = static_cast<int>(src.shape()[1]);
45  const auto channel_in = static_cast<int>(src.shape()[2]);
46  const auto batch_in = static_cast<int>(src.shape()[3]);
47  const int r = channel_in / (block_shape * block_shape);
48 #if defined(_OPENMP)
49  #pragma omp parallel for collapse(4)
50 #endif /* _OPENMP */
51  for(int b = 0; b < batch_in; ++b)
52  {
53  for(int z = 0; z < channel_in; ++z)
54  {
55  for(int y = 0; y < height_in; ++y)
56  {
57  for(int x = 0; x < width_in; ++x)
58  {
59  const int out_x = (block_shape * x + (z / r) % block_shape);
60  const int out_y = (block_shape * y + (z / r) / block_shape);
61  const int out_pos = out_x + dst_shape[0] * out_y + (z % r) * dst_shape[0] * dst_shape[1] + b * dst_shape[0] * dst_shape[1] * dst_shape[2];
62  const int in_pos = x + width_in * y + z * width_in * height_in + b * width_in * height_in * channel_in;
63  result[out_pos] = src[in_pos];
64  }
65  }
66  }
67  }
68 
69  return result;
70 }
71 template SimpleTensor<float> depth_to_space(const SimpleTensor<float> &src, const TensorShape &dst_shape, int32_t block_shape);
72 template SimpleTensor<half> depth_to_space(const SimpleTensor<half> &src, const TensorShape &dst_shape, int32_t block_shape);
73 } // namespace reference
74 } // namespace validation
75 } // namespace test
76 } // namespace arm_compute
Shape of a tensor.
Definition: TensorShape.h:39
SimpleTensor< T > depth_to_space(const SimpleTensor< T > &src, const TensorShape &dst_shape, int32_t block_shape)
SimpleTensor< float > b
Definition: DFT.cpp:157
DataType data_type() const override
Data type of the tensor.
Definition: SimpleTensor.h:357
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58