MomentumSpaceContext.h

/* Copyright 2017 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_MOMENTUM_SPACE_CONTEXT
#define COM_DAFER45_TBTK_MOMENTUM_SPACE_CONTEXT

#include "TBTK/BrillouinZone.h"

#include <vector>

namespace TBTK{

class MomentumSpaceContext{
public:
    MomentumSpaceContext(
        const BrillouinZone &brillouinZone,
        const std::vector<unsigned int> &numMeshPoints
    );

    const BrillouinZone& getBrillouinZone() const;

    const std::vector<unsigned int>& getNumMeshPoints() const;

    const std::vector<std::vector<double>>& getMesh() const;

    Index getKIndex(const std::vector<double> &k) const;
private:
    const BrillouinZone *brillouinZone;

    std::vector<unsigned int> numMeshPoints;

    std::vector<std::vector<double>> mesh;
};

inline const BrillouinZone& MomentumSpaceContext::getBrillouinZone() const{
    return *brillouinZone;
}

inline const std::vector<unsigned int>& MomentumSpaceContext::getNumMeshPoints(
) const{
    return numMeshPoints;
}

inline const std::vector<std::vector<double>>& MomentumSpaceContext::getMesh(
) const{
    return mesh;
}

inline Index MomentumSpaceContext::getKIndex(
    const std::vector<double> &k
) const{
    return brillouinZone->getMinorCellIndex(
        k,
        numMeshPoints
    );
}

};  //End of namespace TBTK

#endif