Compute Library
 20.05
PadLayerNode.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2018-2020 ARM Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
25 
28 
30 
31 namespace arm_compute
32 {
33 namespace graph
34 {
36  : _padding(padding), _pad_value(pad_value)
37 {
38  _input_edges.resize(1, EmptyEdgeID);
39  _outputs.resize(1, NullTensorID);
40 }
41 
43 {
44  return _padding;
45 }
46 
48 {
49  return _pad_value;
50 }
51 
53 {
54  if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
55  {
56  Tensor *dst = output(0);
57  ARM_COMPUTE_ERROR_ON(dst == nullptr);
58  dst->desc() = configure_output(0);
59  return true;
60  }
61  return false;
62 }
63 
65 {
66  ARM_COMPUTE_UNUSED(idx);
67  ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
68 
69  const Tensor *src = input(0);
70  ARM_COMPUTE_ERROR_ON(src == nullptr);
71 
72  TensorDescriptor output_desc = src->desc();
73  const TensorShape input_shape = src->desc().shape;
74  for(size_t dim = 0; dim < _padding.size(); ++dim)
75  {
76  output_desc.shape.set(dim, _padding[dim].first + input_shape[dim] + _padding[dim].second);
77  }
78 
79  return output_desc;
80 }
81 
83 {
84  return NodeType::PadLayer;
85 }
86 
88 {
89  v.visit(*this);
90 }
91 } // namespace graph
92 } // namespace arm_compute
Class describing the value of a pixel for any image format.
Definition: PixelValue.h:34
Shape of a tensor.
Definition: TensorShape.h:39
bool forward_descriptors() override
Forwards descriptor information to outputs if possible.
std::vector< PaddingInfo > PaddingList
List of padding information.
Definition: Types.h:458
void accept(INodeVisitor &v) override
Accepts a node visitor.
PixelValue pad_value() const
Padding value accessor.
#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.
NodeType type() const override
Returns node's type.
const PaddingList & padding() const
Padding list accessor.
#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
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
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
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
PadLayerNode(const PaddingList &padding, PixelValue pad_value=PixelValue())
Constructor.
Tensor * input(size_t idx) const
Returns the tensor of a given input of the node.
Definition: INode.cpp:150
cast configure & src
Definition: Cast.cpp:169
Tensor object.
Definition: Tensor.h:41