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snl_fei_PointBlockMap.hpp
00001 /*
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00004 //             FEI: Finite Element Interface to Linear Solvers
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00014 // 1. Redistributions of source code must retain the above copyright
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00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
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00041 */
00042 
00043 
00044 #ifndef _snl_fei_PointBlockMap_hpp_
00045 #define _snl_fei_PointBlockMap_hpp_
00046 
00047 #include <fei_macros.hpp>
00048 
00049 #include <map>
00050 
00051 namespace snl_fei {
00058   class PointBlockMap {
00059   public:
00061     PointBlockMap();
00062 
00064     virtual ~PointBlockMap();
00065 
00071    void setPtEqualBlk();
00072 
00075    bool ptEqualBlk() { return( ptEqualBlk_ ); }
00076 
00082    int setEqn(int ptEqn, int blkEqn);
00083 
00090    int setEqn(int ptEqn, int blkEqn, int blkSize);
00091 
00096    int setBlkEqnSize(int blkEqn, int size);
00097 
00099    int getBlkEqnSize(int blkEqn);
00100 
00103    int getMaxBlkEqnSize() { return( maxSize_ ); }
00104 
00107    void setMaxBlkEqnSize(int sz) { maxSize_ = sz; }
00108 
00114    int eqnToBlkEqn(int eqn) const;
00115 
00121    int blkEqnToPtEqn(int blkEqn) const;
00122 
00128    int getBlkEqnInfo(int blkEqn, int& ptEqn, int& blkSize);
00129 
00134    int getPtEqnInfo(int ptEqn, int& blkEqn, int& blkOffset);
00135 
00141    int getBlkEqnOffset(int blkEqn, int ptEqn);
00142 
00146    bool isExactlyBlkEqn(int ptEqn);
00147 
00150    std::map<int,int>* getPtEqns()
00151      {
00152        return( ptEqns_ );
00153      }
00154 
00157    std::map<int,std::pair<int,int> >* getBlkEqns()
00158      {
00159        return( blkEqns_ );
00160      }
00161 
00162   private:
00164    PointBlockMap(const PointBlockMap& src);
00165 
00166    PointBlockMap& operator=(const PointBlockMap& src);
00167 
00168    std::map<int,int>* ptEqns_; //ptEqns_ maps point-equations to block-equations
00169 
00170    std::map<int,std::pair<int,int> >* blkEqns_;
00171    //blkEqns_ maps block-equations to point-equations and block-sizes
00172    //(the point-equation stored is the first or smallest point-equation that is
00173    //associated with the block-equation)
00174 
00175    int maxSize_;
00176 
00177    bool ptEqualBlk_; //if this is true, then all blkSizes are 1
00178   };//class PointBlockMap
00179 }//namespace snl_fei
00180 #endif // _snl_fei_PointBlockMap_hpp_
00181 
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