remove some useless variables

Author: goodchong

source/module_cell/module_neighbor/sltk_grid.h

@@ -90,13 +90,17 @@ class Grid
 	}
 	bool init_cell_flag;
     //LiuXh add 2019-07-15
-    const double& getD_minX(void) const {return d_minX;}
-    const double& getD_minY(void) const {return d_minY;}
-    const double& getD_minZ(void) const {return d_minZ;}
+    double getD_minX() const {return d_minX;}
+    double getD_minY() const {return d_minY;}
+    double getD_minZ() const {return d_minZ;}
 
-    const int& getCellX(void) const {return cell_nx;}
-    const int& getCellY(void) const {return cell_ny;}
-    const int& getCellZ(void) const {return cell_nz;}
+
+    int getCellX() const {return cell_nx;}
+    int getCellY() const {return cell_ny;}
+    int getCellZ() const {return cell_nz;}
+	int getTrueCellX() const {return true_cell_x;}
+    int getTrueCellY() const {return true_cell_y;}
+    int getTrueCellZ() const {return true_cell_z;}
 
 private:
 

source/module_hamilt_lcao/hamilt_lcaodft/spar_dh.cpp

@@ -67,9 +67,9 @@ void sparse_format::cal_dH(const Parallel_Orbitals& pv,
 
 void sparse_format::set_R_range(std::set<Abfs::Vector3_Order<int>>& all_R_coor, Grid_Driver& grid)
 {
-    const int RminX = int(grid.getD_minX());
-    const int RminY = int(grid.getD_minY());
-    const int RminZ = int(grid.getD_minZ());
+    const int RminX = int(-grid.getTrueCellX());
+    const int RminY = int(-grid.getTrueCellY());
+    const int RminZ = int(-grid.getTrueCellZ());
 
     const int Rx = grid.getCellX();
     const int Ry = grid.getCellY();

source/module_io/cal_r_overlap_R.cpp

@@ -244,9 +244,9 @@ void cal_r_overlap_R::out_rR(const int& istep)
 
     int step = istep;
     // set R coor range
-    int R_minX = int(GlobalC::GridD.getD_minX());
-    int R_minY = int(GlobalC::GridD.getD_minY());
-    int R_minZ = int(GlobalC::GridD.getD_minZ());
+    int R_minX = int(-GlobalC::GridD.getTrueCellX());
+    int R_minY = int(-GlobalC::GridD.getTrueCellY());
+    int R_minZ = int(-GlobalC::GridD.getTrueCellZ());
 
     int R_x = GlobalC::GridD.getCellX();
     int R_y = GlobalC::GridD.getCellY();

source/module_io/to_wannier90_lcao.cpp

@@ -304,9 +304,9 @@ void toWannier90_LCAO::initialize_orb_table()
 
 void toWannier90_LCAO::set_R_coor()
 {
-    int R_minX = int(GlobalC::GridD.getD_minX());
-    int R_minY = int(GlobalC::GridD.getD_minY());
-    int R_minZ = int(GlobalC::GridD.getD_minZ());
+    int R_minX = int(-GlobalC::GridD.getTrueCellX());
+    int R_minY = int(-GlobalC::GridD.getTrueCellY());
+    int R_minZ = int(-GlobalC::GridD.getTrueCellZ());
 
     int R_x = GlobalC::GridD.getCellX();
     int R_y = GlobalC::GridD.getCellY();