HALinkedList.h

/* Copyright 2016 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_HA_LINKED_LIST
#define COM_DAFER45_TBTK_HA_LINKED_LIST

#include "TBTK/HoppingAmplitudeSet.h"
#include <complex>

namespace TBTK{

class HALink{
public:
    int from;
    int to;
    std::complex<double> amplitude;

    HALink *next1;
    HALink *next2;
};

class HALinkedList{
public:
    HALinkedList(const HoppingAmplitudeSet &as);
    ~HALinkedList();

    void addLinkedList(int from);
    HALink* getFirstMainLink();
    HALink* getLinkArray();
    int getLinkArraySize();
    void rescaleAmplitudes(double scaleFactor);
private:
    int linkArraySize;

    HALink *linkArray;
    HALink **linkList;
    HALink *mainListFirst;
    HALink *mainListLast;

    bool *inMainList;
};

inline HALink* HALinkedList::getFirstMainLink(){
    return mainListFirst;
}

inline HALink* HALinkedList::getLinkArray(){
    return linkArray;
}

inline int HALinkedList::getLinkArraySize(){
    return linkArraySize;
}

inline void HALinkedList::rescaleAmplitudes(double scaleFactor){
    for(int n = 0; n < linkArraySize; n++){
        linkArray[n].amplitude /= scaleFactor;
    }
}

};  //End of namespace TBTK

#endif