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/********************************************************************************
* Copyright (c) 2023 CEA-List
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*
********************************************************************************/
#ifndef AIDGE_CORE_OPERATOR_CONVERT_H_
#define AIDGE_CORE_OPERATOR_CONVERT_H_
#include <cassert>
#include <memory>
#include <vector>
#include "aidge/utils/Registrar.hpp"
#include "aidge/operator/OperatorTensor.hpp"
#include "aidge/backend/OperatorImpl.hpp"
#include "aidge/data/Tensor.hpp"
#include "aidge/graph/Node.hpp"
#include "aidge/utils/Types.h"
namespace Aidge {
class Convert_Op : public OperatorTensor,
public Registrable<Convert_Op, std::tuple<std::string, std::string>, std::unique_ptr<OperatorImpl>(const Convert_Op&)> {
public:
static constexpr const char* Type = "Convert";
Convert_Op() : OperatorTensor(Type, 1, 0, 1) {}
/**
* @brief Copy-constructor. Copy the operator attributes and its output tensor(s), but not its input tensors (the new operator has no input associated).
* @param op Operator to copy.
*/
Convert_Op(const Convert_Op& op)
: OperatorTensor(op)
{
mImpl = op.mImpl ? Registrar<Convert_Op>::create({mInputs[0]->getImpl()->backend(), mOutputs[0]->getImpl()->backend()})(*this) : nullptr;
}
/**
* @brief Clone the operator using its copy-constructor.
* @see Operator::Convert_Op
*/
std::shared_ptr<Operator> clone() const override {
return std::make_shared<Convert_Op>(*this);
}
void setBackend(const std::string& name, int device = 0) override {
if (mInputs[0]->getImpl() && Registrar<Convert_Op>::exists({mInputs[0]->getImpl()->backend(), name})) {
mImpl = Registrar<Convert_Op>::create({mInputs[0]->getImpl()->backend(), name})(*this);
}
mOutputs[0]->setBackend(name, device);
}
void forward() override;
static const std::vector<std::string> getInputsName(){
return {"data_input"};
}
static const std::vector<std::string> getOutputsName(){
return {"data_output"};
}
private:
/// @brief Store the input data to the output device, before type conversion.
/// Used only when there is both a change of device AND of data type.
/// Otherwise, data is either directly copied from the other device or
/// casted on the same device (requiring a single copy).
std::shared_ptr<Tensor> mMovedInput;
};
inline std::shared_ptr<Node> Convert(const std::string& name = "") {
return std::make_shared<Node>(std::make_shared<Convert_Op>(), name);
}
}
#endif /* AIDGE_CORE_OPERATOR_CONVERT_H_ */