graphPart.h

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/* PIPS-NLP                                                             *
 * Authors: Nai-Yuan Chiang                             *
 * (C) 2015 Argonne National Laboratory         */

#ifndef graphPart_H
#define graphPart_H

//#include "metis.h"

//typedef int idxtype;


class graphPart{

  public:
    int npartsReq;  // number of partition asked for 
    int actparts;   // actrual number of partitions
    int ncut_line;  // number of line cuts

    int *vtxdist;   // how to seperate the points in parmetis
    int *xadj;      // see Metis manual
    int *adjncy;    // see Metis manual
    int *id_part;   // part that each node should belong to
    
    int num_node;
    int num_line;
    int num_balCon; // number of balancing constraints. It should be at least 1. See Metis manual

    // weight of lines/nodes
    int *vwgt;
    int *adjwgt;
    
    int *vsize;
    double *ubvec;
    double *tpwgts;

  
    char *gname;
    char *dataname;

    int *line_status;    // part that each line should belong to: -1, cut by metis; others: local line and part ID
    int *line_start;             
    int *line_end;  
    char **line_name;   
    int *bus_name;  
    int *line_ID;       // corresponding line ID in oops, convert the line order in Metis graph file to the one used in mps file


    int *gen_status;    // part that each generator should belong to
    int *gen_bus;       // connected bus
    int num_gen;        // number of generators


    int DefineBlkFlag; 


    int local_gvnTxs;
    int local_numTxs;
    int *local_xadj;
    int *local_adjncy;

    int *local_adjwgt;

    int *local_vwgt;
    int *local_vsize;

    int* local_id_part;
    
        /*---------------------------------------------------------------------------
      Methods
    ---------------------------------------------------------------------------*/
    
    /* ------------------- constructors and destructors ---------------------- */
    graphPart();
    ~graphPart();

    
    /* ---------------------------------- methods ------------------------------ */

  public:
    void computeGPfromGraphFile(const char gfilename[]);

  private:

    void _ReadGraph(const char gfilename[]); 
    void distributeLocalAndGlobalVar();



};


#endif