Compute Library
 21.08
InputNode.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2018 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 
29 namespace arm_compute
30 {
31 namespace graph
32 {
34  : _desc(std::move(desc))
35 {
36  _outputs.resize(1, NullTensorID);
37 }
38 
40 {
41  if(output_id(0) != NullTensorID)
42  {
43  Tensor *t = output(0);
44  ARM_COMPUTE_ERROR_ON(t == nullptr);
45  t->desc() = configure_output(0);
46  return true;
47  }
48  return false;
49 }
50 
52 {
53  ARM_COMPUTE_UNUSED(idx);
54  return _desc;
55 }
56 
58 {
59  return NodeType::Input;
60 }
61 
63 {
64  v.visit(*this);
65 }
66 } // namespace graph
67 } // 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) 2017-2021 Arm Limited.
TensorDescriptor & desc()
TensorInfo metadata accessor.
Definition: Tensor.cpp:40
bool forward_descriptors() override
Forwards descriptor information to outputs if possible.
Definition: InputNode.cpp:39
#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
NodeType
Supported nodes.
Definition: Types.h:149
NodeType type() const override
Returns node's type.
Definition: InputNode.cpp:57
InputNode(TensorDescriptor desc)
Constructor.
Definition: InputNode.cpp:33
TensorID output_id(size_t idx) const
Returns the tensor ID of a given output of the node.
Definition: INode.cpp:144
TensorDescriptor configure_output(size_t idx) const override
Calculates output configuration.
Definition: InputNode.cpp:51
constexpr TensorID NullTensorID
Constant NodeID specifying an equivalent of null node.
Definition: Types.h:73
Node visitor interface.
Definition: INodeVisitor.h:34
void accept(INodeVisitor &v) override
Accepts a node visitor.
Definition: InputNode.cpp:62
Tensor object.
Definition: Tensor.h:41