LinearResampling.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
/***********************************************************************************/
/*  Copyright 2013 WSL Institute for Snow and Avalanche Research    SLF-DAVOS      */
/***********************************************************************************/
/* This file is part of MeteoIO.
    MeteoIO is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    MeteoIO is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with MeteoIO.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LINEARRESAMPLING_H
#define LINEARRESAMPLING_H
 
#include <meteoio/meteoResampling/ResamplingAlgorithms.h>
 
namespace mio {
 
class LinearResampling : public ResamplingAlgorithms {
        public:
                LinearResampling(const std::string& i_algoname, const std::string& i_parname, const double& dflt_max_gap_size, const std::vector< std::pair<std::string, std::string> >& vecArgs);
 
                bool resample(const std::string& stationHash, const size_t& index, const ResamplingPosition& position, const size_t& paramindex,
                              const std::vector<MeteoData>& vecM, MeteoData& md, const gap_info& gap, const bool& exactMatch) override;
                std::string toString() const override;
        private:
        static double interpolate(const size_t& paramindex, const std::vector<MeteoData>& vecM, const Date& resampling_date, const size_t& indexP1, const size_t& indexP2);
        double extrapolate(const size_t& paramindex, const std::vector<MeteoData>& vecM, const Date& resampling_date, size_t indexP1, size_t indexP2, const gap_info& gap) const;
};
 
} //end namespace mio
 
#endif