Compute Library
 21.02
QuantizationLayerNode.cpp
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25 
28 
29 namespace arm_compute
30 {
31 namespace graph
32 {
34  : QuantizationLayerNode(out_quant_info, DataType::QASYMM8)
35 {
36 }
37 
39  : _out_quant_info(std::move(out_quant_info)), _out_data_type(out_data_type)
40 {
42 
43  _input_edges.resize(1, EmptyEdgeID);
44  _outputs.resize(1, NullTensorID);
45 }
46 
48 {
49  if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
50  {
51  Tensor *dst = output(0);
52  ARM_COMPUTE_ERROR_ON(dst == nullptr);
53  dst->desc() = configure_output(0);
54  return true;
55  }
56  return false;
57 }
58 
60 {
61  ARM_COMPUTE_UNUSED(idx);
62  ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
63 
64  const Tensor *src = input(0);
65  ARM_COMPUTE_ERROR_ON(src == nullptr);
66 
67  TensorDescriptor output_info = src->desc();
68  output_info.data_type = _out_data_type;
69  output_info.quant_info = _out_quant_info;
70 
71  return output_info;
72 }
73 
75 {
77 }
78 
80 {
81  v.visit(*this);
82 }
83 } // namespace graph
84 } // namespace arm_compute
bool is_data_type_quantized(DataType dt)
Check if a given data type is of quantized type.
Definition: Utils.h:1168
bool forward_descriptors() override
Forwards descriptor information to outputs if possible.
NodeType type() const override
Returns node's type.
#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
void accept(INodeVisitor &v) override
Accepts a node visitor.
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
TensorDescriptor & desc()
TensorInfo metadata accessor.
Definition: Tensor.cpp:40
Quantization information.
QuantizationInfo quant_info
Quantization info.
#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
quantized, asymmetric fixed-point 8-bit number unsigned
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:142
constexpr EdgeID EmptyEdgeID
Definition: Types.h:75
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
QuantizationLayerNode(QuantizationInfo out_quant_info)
Constructor.
TensorID output_id(size_t idx) const
Returns the tensor ID of a given output of the node.
Definition: INode.cpp:144
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
DataType
Available data types.
Definition: Types.h:77
Tensor object.
Definition: Tensor.h:41