SpacePartition.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_SPACE_PARTITION
#define COM_DAFER45_TBTK_SPACE_PARTITION

#include "TBTK/Index.h"
#include "TBTK/Vector3d.h"

#include <vector>

namespace TBTK{

class SpacePartition{
public:
    enum class MeshType {Nodal, Interior};

    SpacePartition();

    SpacePartition(
        const std::vector<std::vector<double>> &basisVectors,
        MeshType meshType
    );

    virtual ~SpacePartition();

    unsigned int getNumDimensions() const;

    virtual Index getMajorCellIndex(
        const std::vector<double> &coordinate
    ) const = 0;

    virtual Index getMinorCellIndex(
        const std::vector<double> &coordinate,
        const std::vector<unsigned int> &numMeshPoints
    ) const = 0;

    virtual std::vector<std::vector<double>> getMajorMesh(
        const std::vector<unsigned int> &numMeshPoints
    ) const = 0;

    virtual std::vector<std::vector<double>> getMinorMesh(
        const std::vector<unsigned int> &numMeshPoints
    ) const = 0;

    virtual std::vector<double> getMinorMeshPoint(
        const std::vector<unsigned int> &meshPoint,
        const std::vector<unsigned int> &numMeshPoints
    ) const = 0;
protected:
    const std::vector<Vector3d>& getBasisVectors() const;

    MeshType getMeshType() const;
private:
    unsigned dimensions;

    std::vector<Vector3d> basisVectors;

    MeshType meshType;
};

inline unsigned int SpacePartition::getNumDimensions() const{
    return dimensions;
}

inline const std::vector<Vector3d>& SpacePartition::getBasisVectors() const{
    return basisVectors;
}

inline SpacePartition::MeshType SpacePartition::getMeshType() const{
    return meshType;
}

};  //End namespace TBTK

#endif