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	Debugged cshift case
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		@@ -52,7 +52,7 @@ public:
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    // Physics Grid information.
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					    // Physics Grid information.
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    std::vector<int> _simd_layout;// Which dimensions get relayed out over simd lanes.
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					    std::vector<int> _simd_layout;// Which dimensions get relayed out over simd lanes.
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    std::vector<int> _fdimensions;// Global dimensions of array prior to cb removal
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					    std::vector<int> _fdimensions;// (full) Global dimensions of array prior to cb removal
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    std::vector<int> _gdimensions;// Global dimensions of array after cb removal
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					    std::vector<int> _gdimensions;// Global dimensions of array after cb removal
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    std::vector<int> _ldimensions;// local dimensions of array with processor images removed
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					    std::vector<int> _ldimensions;// local dimensions of array with processor images removed
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    std::vector<int> _rdimensions;// Reduced local dimensions with simd lane images and processor images removed 
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					    std::vector<int> _rdimensions;// Reduced local dimensions with simd lane images and processor images removed 
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@@ -121,7 +121,6 @@ public:
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      Lexicographic::CoorFromIndex(coor,Oindex,_rdimensions);
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					      Lexicographic::CoorFromIndex(coor,Oindex,_rdimensions);
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    }
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					    }
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    //////////////////////////////////////////////////////////
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					    //////////////////////////////////////////////////////////
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    // SIMD lane addressing
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					    // SIMD lane addressing
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    //////////////////////////////////////////////////////////
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					    //////////////////////////////////////////////////////////
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@@ -207,16 +206,16 @@ public:
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      std::vector<int> lcoor;
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					      std::vector<int> lcoor;
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      GlobalCoorToProcessorCoorLocalCoor(pcoor,lcoor,gcoor);
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					      GlobalCoorToProcessorCoorLocalCoor(pcoor,lcoor,gcoor);
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      rank = RankFromProcessorCoor(pcoor);
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					      rank = RankFromProcessorCoor(pcoor);
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					      /*
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      std::vector<int> cblcoor(lcoor);
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					      std::vector<int> cblcoor(lcoor);
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      for(int d=0;d<cblcoor.size();d++){
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					      for(int d=0;d<cblcoor.size();d++){
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	if( this->CheckerBoarded(d) ) {
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						if( this->CheckerBoarded(d) ) {
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	  cblcoor[d] = lcoor[d]/2;
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						  cblcoor[d] = lcoor[d]/2;
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	}
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						}
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      }
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					      }
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					      */
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      i_idx= iIndex(cblcoor);// this does not imply divide by 2 on checker dim
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					      i_idx= iIndex(lcoor);
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      o_idx= oIndex(lcoor);  // this implies divide by 2 on checkerdim
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					      o_idx= oIndex(lcoor);
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    }
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					    }
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    void RankIndexToGlobalCoor(int rank, int o_idx, int i_idx , std::vector<int> &gcoor)
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					    void RankIndexToGlobalCoor(int rank, int o_idx, int i_idx , std::vector<int> &gcoor)
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