RPASusceptibility.h

/* Copyright 2018 Kristofer Björnson
 *
 * 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.
 */


#ifndef COM_DAFER45_TBTK_PROPERTY_EXTRACTOR_RPA_SUSCEPTIBILITY
#define COM_DAFER45_TBTK_PROPERTY_EXTRACTOR_RPA_SUSCEPTIBILITY

#include "TBTK/Solver/RPASusceptibility.h"
#include "TBTK/Property/Susceptibility.h"
#include "TBTK/PropertyExtractor/PropertyExtractor.h"

#include <complex>

namespace TBTK{
namespace PropertyExtractor{

class RPASusceptibility : public PropertyExtractor{
public:
    RPASusceptibility(Solver::RPASusceptibility &solver);

    virtual void setEnergyWindow(
        double lowerBound,
        double upperBound,
        int resolution
    );

    virtual void setEnergyWindow(
        int lowerFermionicMatsubaraEnergyIndex,
        int upperFermionicMatsubaraEnergyIndex,
        int lowerBosonicMatsubaraEnergyIndex,
        int upperBosonicEnergyIndex
    );

    virtual Property::Susceptibility calculateRPASusceptibility(
        std::vector<Index> patterns
    );

/*  virtual Property::Susceptibility calculateChargeSusceptibility(
        std::vector<Index> patterns
    );*/

/*  virtual Property::Susceptibility calculateSpinSusceptibility(
        std::vector<Index> patterns
    );*/
private:
    static void calculateRPASusceptibilityCallback(
        PropertyExtractor *cb_this,
        Property::Property &property,
        const Index &index,
        int offset,
        Information &information
    );

/*  static void calculateChargeSusceptibilityCallback(
        PropertyExtractor *cb_this,
        Property::Property &property,
        const Index &index,
        int offset,
        Information &information
    );*/

/*  static void calculateSpinSusceptibilityCallback(
        PropertyExtractor *cb_this,
        Property::Property &property,
        const Index &index,
        int offset,
        Information &information
    );*/

    Solver::RPASusceptibility *solver;

    IndexedDataTree<
        std::vector<std::complex<double>>
    > rpaSusceptibilityTree;

    virtual const Solver::Solver& getSolver() const;

/*  IndexedDataTree<
        std::vector<std::complex<double>>
    > chargeSusceptibilityTree;*/

/*  IndexedDataTree<
        std::vector<std::complex<double>>
    > spinSusceptibilityTree;*/
};

inline const Solver::Solver& RPASusceptibility::getSolver() const{
    return *solver;
}

};  //End of namespace PropertyExtractor
};  //End of namespace TBTK

#endif