Compute Library
 20.05
FlattenLayerNode.cpp
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1 /*
2  * Copyright (c) 2018 ARM Limited.
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25 
28 
29 namespace arm_compute
30 {
31 namespace graph
32 {
34 {
35  _input_edges.resize(1, EmptyEdgeID);
36  _outputs.resize(1, NullTensorID);
37 }
38 
40 {
41  if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
42  {
43  Tensor *dst = output(0);
44  ARM_COMPUTE_ERROR_ON(dst == nullptr);
45  dst->desc() = configure_output(0);
46  return true;
47  }
48  return false;
49 }
50 
52 {
53  ARM_COMPUTE_UNUSED(idx);
54  ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
55 
56  const Tensor *src = input(0);
57  ARM_COMPUTE_ERROR_ON(src == nullptr);
58 
59  TensorDescriptor output_desc = src->desc();
60  output_desc.shape.collapse(3);
61 
62  return output_desc;
63 }
64 
66 {
68 }
69 
71 {
72  v.visit(*this);
73 }
74 } // namespace graph
75 } // namespace arm_compute
#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.
#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
NodeType
Supported nodes.
Definition: Types.h:134
constexpr EdgeID EmptyEdgeID
Definition: Types.h:75
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
NodeType type() const override
Returns node's type.
constexpr TensorID NullTensorID
Constant NodeID specifying an equivalent of null node.
Definition: Types.h:71
Node visitor interface.
Definition: INodeVisitor.h:34
Tensor * input(size_t idx) const
Returns the tensor of a given input of the node.
Definition: INode.cpp:150
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
void collapse(size_t n, size_t first=0)
Collapse the first n dimensions.
Definition: TensorShape.h:132
cast configure & src
Definition: Cast.cpp:169
Tensor object.
Definition: Tensor.h:41