Compute Library
 20.05
ResizeLayerNode.cpp
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25 
29 
30 namespace arm_compute
31 {
32 namespace graph
33 {
34 ResizeLayerNode::ResizeLayerNode(InterpolationPolicy policy, float scale_width, float scale_height)
35  : _policy(policy), _scale_width(scale_width), _scale_height(scale_height)
36 {
37  _input_edges.resize(1, EmptyEdgeID);
38  _outputs.resize(1, NullTensorID);
39 }
40 
42 {
43  return _policy;
44 }
45 
46 std::pair<float, float> ResizeLayerNode::scaling_factor() const
47 {
48  return std::make_pair(_scale_width, _scale_height);
49 }
50 
52 {
53  if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
54  {
55  Tensor *dst = output(0);
56  ARM_COMPUTE_ERROR_ON(dst == nullptr);
57  dst->desc() = configure_output(0);
58  return true;
59  }
60  return false;
61 }
62 
64 {
65  ARM_COMPUTE_UNUSED(idx);
66  ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
67 
68  const Tensor *src = input(0);
69  ARM_COMPUTE_ERROR_ON(src == nullptr);
70 
71  const DataLayout data_layout = src->desc().layout;
72  TensorDescriptor output_desc = src->desc();
75  output_desc.shape.set(width_idx, static_cast<int>(output_desc.shape[width_idx] * _scale_width));
76  output_desc.shape.set(height_idx, static_cast<int>(output_desc.shape[height_idx] * _scale_height));
77 
78  return output_desc;
79 }
80 
82 {
83  return NodeType::ResizeLayer;
84 }
85 
87 {
88  v.visit(*this);
89 }
90 } // namespace graph
91 } // namespace arm_compute
InterpolationPolicy
Interpolation method.
Definition: Types.h:369
const DataLayout data_layout
Definition: Im2Col.cpp:146
#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
Copyright (c) 2017-2020 ARM Limited.
std::pair< float, float > scaling_factor() const
Scaling factor accessors.
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
virtual void visit(INode &n)=0
Visit INode.
Tensor * output(size_t idx) const
Returns the tensor of a given output of the node.
Definition: INode.cpp:158
bool forward_descriptors() override
Forwards descriptor information to outputs if possible.
TensorID input_id(size_t idx) const
Returns the tensor ID of a given input of the node.
Definition: INode.cpp:137
ResizeLayerNode(InterpolationPolicy policy, float scale_width, float scale_height)
Default Constructor.
NodeType
Supported nodes.
Definition: Types.h:134
constexpr EdgeID EmptyEdgeID
Definition: Types.h:75
NodeType type() const override
Returns node's type.
void accept(INodeVisitor &v) override
Accepts a node visitor.
TensorID output_id(size_t idx) const
Returns the tensor ID of a given output of the node.
Definition: INode.cpp:144
TensorShape & set(size_t dimension, size_t value, bool apply_dim_correction=true)
Accessor to set the value of one of the dimensions.
Definition: TensorShape.h:78
constexpr TensorID NullTensorID
Constant NodeID specifying an equivalent of null node.
Definition: Types.h:71
Node visitor interface.
Definition: INodeVisitor.h:34
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
Tensor * input(size_t idx) const
Returns the tensor of a given input of the node.
Definition: INode.cpp:150
DataLayout
[DataLayout enum definition]
Definition: Types.h:120
size_t get_dimension_idx(DataLayout data_layout, const DataLayoutDimension data_layout_dimension)
Get index of a tensor's given dimension depending on its layout.
Definition: Utils.cpp:129
cast configure & src
Definition: Cast.cpp:169
Tensor object.
Definition: Tensor.h:41
InterpolationPolicy policy() const
Interpolation policy accessor.