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/*
* Copyright (c) 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/graph/SubGraph.h"
#include "arm_compute/graph/Graph.h"
#include "arm_compute/graph/INode.h"
#include "arm_compute/graph/Tensor.h"
using namespace arm_compute::graph;
SubGraph::SubGraph()
: _nodes(), _input(nullptr), _output(nullptr)
{
}
void SubGraph::add_node(std::unique_ptr<INode> node)
{
_nodes.push_back(std::move(node));
}
void SubGraph::add_tensor_object(std::unique_ptr<ITensorObject> tensor)
{
// If it's the first Tensor added then it will be the input of the Graph.
if(_input == nullptr)
{
_input = std::move(tensor);
}
else
{
_output = std::move(tensor);
}
}
std::unique_ptr<Graph> SubGraph::construct(TargetHint hint, std::unique_ptr<ITensorObject> input, std::unique_ptr<ITensorObject> output)
{
auto graph = arm_compute::support::cpp14::make_unique<Graph>();
// Set hint
// TODO(geopin01): store hints of sub-graph
graph->hints().set_target_hint(hint);
// Configure input
if(_input == nullptr)
{
_input = std::move(input);
}
graph->add_tensor_object(std::move(_input));
// Construct nodes
for(auto &node : _nodes)
{
graph->add_node(std::move(node));
}
// Configure output
if(_output == nullptr)
{
_output = std::move(output);
}
graph->add_tensor_object(std::move(_output));
return graph;
}
bool SubGraph::has_input() const
{
return _input != nullptr;
}
bool SubGraph::has_output() const
{
return _output != nullptr;
}
SubGraph &arm_compute::graph::operator<<(SubGraph &graph, Tensor &&tensor)
{
graph.add_tensor_object(arm_compute::support::cpp14::make_unique<Tensor>(std::move(tensor)));
return graph;
}
SubGraph &arm_compute::graph::operator<<(SubGraph &graph, SubTensor &&sub_tensor)
{
graph.add_tensor_object(arm_compute::support::cpp14::make_unique<SubTensor>(std::move(sub_tensor)));
return graph;
}
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