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// Copyright (c) 2023, ARM Limited.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "custom_op_interface.h"
#include "custom_registry.h"
#include <vector>
using namespace tosa;
namespace TosaReference
{
class CustomOpExample : public CustomOpInterface
{
public:
CustomOpExample() = default;
CustomOpExample(std::string& domain_name, std::string& operator_name, std::string& version)
: _domain_name(domain_name)
, _operator_name(operator_name)
, _version(version)
{}
int eval(std::vector<TosaReference::Tensor*>& input_tensors,
std::vector<TosaReference::Tensor*>& output_tensors,
const std::string& implementation_attrs) override
{
auto input_tensor_ptr = input_tensors[0];
auto output_tensor_ptr = output_tensors[0];
// down_cast to EigenTensor
using TIn = Eigen::Tensor<float, 1>;
using TOut = Eigen::Tensor<float, 1>;
auto eigenInputTensor = reinterpret_cast<TosaReference::TensorTemplate<TIn>*>(input_tensor_ptr);
auto eigenOutputTensor = reinterpret_cast<TosaReference::TensorTemplate<TIn>*>(output_tensor_ptr);
// Assign the input to output as an example
// This is plug-in implementation specific
auto fcn = [](float a) -> float { return a; };
eigenOutputTensor->getTensor() = eigenInputTensor->getTensor().unaryExpr(fcn);
return 0;
};
std::string getDomainName() const override
{
return this->_domain_name;
}
std::string getOperatorName() const override
{
return this->_operator_name;
}
std::string getVersion() const override
{
return this->_version;
}
~CustomOpExample(){};
private:
std::string _domain_name;
std::string _operator_name;
std::string _version;
};
CustomOpInterface* customOpExample()
{
std::string domain_name = "ExampleDomain";
std::string operator_name = "ExampleOp";
std::string version = "1.0";
CustomOpInterface* customOp_ptr = new CustomOpExample(domain_name, operator_name, version);
return customOp_ptr;
}
extern "C" int getCustomOpCreationFuncs(registration_callback_t registration_func)
{
std::string domain_name = "ExampleDomain";
std::string operator_name = "ExampleOp";
return registration_func(domain_name, operator_name, &customOpExample);
}
} // namespace TosaReference
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