DTGrid1D.hpp

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#ifndef DTGRID1D_HPP_
#define DTGRID1D_HPP_
 
template<typename T, typename K>
class DTGrid1D {
 
    ~DTGrid1D();
 
protected:
    ArrayPrs <K> *Value_List_1D;
    ArrayPrs <K> *Xcoord_List;
    ArrayPtr <T, K> *Ptr_List_1D;
 
    int Length_of_Value_List_1D;
    int Length_of_Xcoord_List;
    int Length_of_Ptr_List_1D;
 
    /* 
     * WARNING!!! definining the variables below in here instead of in functions is not parallel-safe!
     * Private members for use inside accessx! Do not use outside this function!
     */
    
    /*ArrayMix <typename ArrayPrs <K>::PairArray,K> *Rarray;
    typename ArrayPrs <K>::PairArray ** ptt1;
    typename ArrayPrs <K>::PairArray * coo1;
 
    T ** ptt3;
    typename ArrayPrs <K>::PairArray * coo3;
 
    bool key1;
    short skey1;
    int countdown_1;
 
    K checkpoint_11;
    K checkpoint_12;
    */
    
    int set_countdown_1;
 
    template <class M, class H>
    friend class DTGrid2D;
    template <class M, class H>
    friend class DTGrid3D;
    friend class DTGrid3Dex;
 
    void set_value_list_1D(K*,int);
    void set_xcoord_list(K*,int);
    void set_ptr_list_1D(K*,int);
 
    //ArrayMix <typename ArrayPrs <K>::PairArray,K> * accessx(int);
    typename ArrayPrs <K>::PairArray * accessx(int);
    typename ArrayPrs <K>::PairArray * accessx2(int);
    T * getVoxelxyz(T*, int, int, int);
 
    void Reset_pointers_1D(void);
};

template <typename T, typename K>
DTGrid1D<T,K>::~DTGrid1D(){
    delete Value_List_1D;
    delete Xcoord_List;
    delete Ptr_List_1D;
}


template <typename T, typename K>
void DTGrid1D<T,K>::set_value_list_1D(K* values, int length){
    Value_List_1D = new (std::nothrow) ArrayPrs <K>;
    Value_List_1D->Set_Pair_Array_Values(values,length);
    Length_of_Value_List_1D = length;
}


template <typename T, typename K>
void DTGrid1D<T,K>::set_xcoord_list(K* values, int length){
    Xcoord_List = new (std::nothrow) ArrayPrs <K>;
    Xcoord_List->Set_Pair_Array_Values(values,length);
    Length_of_Xcoord_List = length;
    set_countdown_1 = length -1;
}


template <typename T, typename K>
void DTGrid1D<T,K>::set_ptr_list_1D(K* values, int length){
    Ptr_List_1D = new (std::nothrow) ArrayPtr <T,K>;
    Ptr_List_1D->Set_Pointer_Array_Values(Value_List_1D->PArray,values,Length_of_Value_List_1D,length);
    Length_of_Ptr_List_1D = length;
}


/*template <typename T, typename K>
void DTGrid1D<T,K>::Reset_pointers_1D(void){
    Value_List_1D->Reset_Set_Pair_Array_Values();
    Xcoord_List->Reset_Set_Pair_Array_Values();
    Ptr_List_1D->Reset_Set_Pointer_Array_Values();
}*/


template <typename T, typename K>
typename ArrayPrs <K>::PairArray * DTGrid1D<T,K>::accessx(int a){
 
    bool key1 = false; // a local logical operation variable.
    int countdown_1 = set_countdown_1; // Use the predetermined number of connected components in the 1D tubular grid.
 
    typename ArrayPrs <K>::PairArray ** ptt1 = Ptr_List_1D->PtrArray; // a temporary pointer to store an acc array member.
    typename ArrayPrs <K>::PairArray * coo1 = Xcoord_List->PArray; // a temporary pointer to store an xCoord array pair.
 
    // iterate over the connected components in DTGrid1D
    for (;countdown_1>0;countdown_1--){
        // check whether index a is inside one of the connected components using the xCoord index array.
        key1 = a>=coo1->v1 ? (a<=coo1->v2 ? true : false) : false;
        if (key1 == true){
            return *(ptt1) + a - coo1->v1;
        }
        else {
            // increment the pointer for the next connected component.
            ++ptt1;
            ++coo1;
            continue;
        }
    }
    return NULL;
}


template <typename T, typename K>
typename ArrayPrs <K>::PairArray * DTGrid1D<T,K>::accessx2(int a){
 
    // Same as that of accessx
    bool key1 = false;
    typename ArrayPrs <K>::PairArray ** ptt1 = Ptr_List_1D->PtrArray;
    typename ArrayPrs <K>::PairArray * coo1 = Xcoord_List->PArray;


    key1 = a>=coo1->v1 ? (a<=coo1->v2 ? true : false) : false;
    if (key1 == true){
        return *(ptt1) + a - coo1->v1;
    }
    else
        return NULL;
}
 
/*template <typename T, typename K>
T * DTGrid1D<T,K>::getVoxelxyz(T * Voxel, int a, int b, int c){
 
    int ainc = a+1;
    short skey1 = 0;
    int countdown_1 = Length_of_Xcoord_List-1;
 
    typename ArrayPrs <K>::PairArray ** ptt1 = Ptr_List_1D->PtrArray;
    typename ArrayPrs <K>::PairArray * coo1 = Xcoord_List->PArray;
 
    for (;countdown_1>0;countdown_1--){
        skey1 = a>=coo1->v1 ? (ainc<=coo1->v2 ? 1 : 2 ) : (ainc>=coo1->v1 ? 3 : 0);
        //key1 = a>=coo1->v1 ? (a<=coo1->v2 ? true : false) : false;
        switch (skey1)
        {
        case 0:
            ++ptt1;
            ++coo1;
            break;
        case 1:
            getVoxelyz(Voxel, 0,b,c, *(ptt1) + a - coo1->v1);
            getVoxelyz(Voxel, 1,b,c, *(ptt1) + ainc - coo1->v1);
            return Voxel;
        case 2:
            getVoxelyz(Voxel, 0,b,c, *(ptt1) + a - coo1->v1);
            return Voxel;
        case 3:
            getVoxelyz(Voxel, 1,b,c, *(ptt1) + ainc - coo1->v1);
            return Voxel;
        }
    }
    return Voxel;
}*/
 
#endif /* DTGRID1D_HPP_ */