MinLogLH.hpp

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// Copyright (c) 2013, 2015, 2017 The ComPWA Team.
// This file is part of the ComPWA framework, check
// https://github.com/ComPWA/ComPWA/license.txt for details.

#ifndef COMPWA_ESTIMATOR_MINLOGLH_HPP_
#define COMPWA_ESTIMATOR_MINLOGLH_HPP_

#include <memory>
#include <vector>

#include "Core/FitParameter.hpp"
#include "Core/FunctionTree/FunctionTreeEstimator.hpp"
#include "Core/FunctionTree/FunctionTreeIntensity.hpp"
#include "Estimator/Estimator.hpp"

namespace ComPWA {
namespace Data {
struct DataSet;
}

namespace Estimator {

class MinLogLH : public ComPWA::Estimator::Estimator<double> {

public:
  MinLogLH(ComPWA::Intensity &intensity, const Data::DataSet &datasample,
           const Data::DataSet &phspdatasample);

  double evaluate() noexcept final;

  void updateParametersFrom(const std::vector<double> &params) final;

  std::vector<ComPWA::Parameter> getParameters() const final;

private:
  ComPWA::Intensity &Intensity;

  const Data::DataSet &DataSample;
  const Data::DataSet &PhspDataSample;
};

std::pair<ComPWA::FunctionTree::FunctionTreeEstimator, FitParameterList>
createMinLogLHFunctionTreeEstimator(
    ComPWA::FunctionTree::FunctionTreeIntensity &Intensity,
    const ComPWA::Data::DataSet &DataSample);

} // namespace Estimator
} // namespace ComPWA

#endif