Add override to avoid compile warning.

Author: ErjieWu

source/module_esolver/esolver_gets.cpp

@@ -143,4 +143,9 @@ void ESolver_GetS::runner(UnitCell& ucell, const int istep)
     ModuleBase::timer::tick("ESolver_GetS", "runner");
 }
 
+void ESolver_GetS::after_all_runners(UnitCell& ucell) {};
+double ESolver_GetS::cal_energy() {};
+void ESolver_GetS::cal_force(UnitCell& ucell, ModuleBase::matrix& force) {};
+void ESolver_GetS::cal_stress(UnitCell& ucell, ModuleBase::matrix& stress) {};
+
 } // namespace ModuleESolver

source/module_esolver/esolver_gets.h

@@ -18,18 +18,18 @@ class ESolver_GetS : public ESolver_KS<std::complex<double>>
 
     void before_all_runners(UnitCell& ucell, const Input_para& inp) override;
 
-    void after_all_runners(UnitCell& ucell){};
+    void after_all_runners(UnitCell& ucell) override;
 
     void runner(UnitCell& ucell, const int istep) override;
 
     //! calculate total energy of a given system
-    double cal_energy() {};
+    double cal_energy() override;
 
     //! calcualte forces for the atoms in the given cell
-    void cal_force(UnitCell& ucell, ModuleBase::matrix& force) {};
+    void cal_force(UnitCell& ucell, ModuleBase::matrix& force) override;
 
     //! calcualte stress of given cell
-    void cal_stress(UnitCell& ucell, ModuleBase::matrix& stress) {};
+    void cal_stress(UnitCell& ucell, ModuleBase::matrix& stress) override;
 
   protected:
     // 2d block - cyclic distribution info

source/module_esolver/esolver_ks.cpp

@@ -475,6 +475,15 @@ void ESolver_KS<T, Device>::runner(UnitCell& ucell, const int istep)
     return;
 };
 
+template <typename T, typename Device>
+void ESolver_KS<T, Device>::before_scf(UnitCell& ucell, const int istep)
+{
+    ModuleBase::TITLE("ESolver_KS", "before_scf");
+
+    //! 1) call before_scf() of ESolver_FP
+    ESolver_FP::before_scf(ucell, istep);
+}
+
 template <typename T, typename Device>
 void ESolver_KS<T, Device>::iter_init(UnitCell& ucell, const int istep, const int iter)
 {

source/module_esolver/esolver_ks.h

@@ -37,7 +37,7 @@ class ESolver_KS : public ESolver_FP
 
   protected:
     //! Something to do before SCF iterations.
-    virtual void before_scf(UnitCell& ucell, const int istep) {};
+    virtual void before_scf(UnitCell& ucell, const int istep) override;
 
     //! Something to do before hamilt2density function in each iter loop.
     virtual void iter_init(UnitCell& ucell, const int istep, const int iter);

source/module_esolver/esolver_ks_pw.cpp

@@ -243,8 +243,8 @@ void ESolver_KS_PW<T, Device>::before_scf(UnitCell& ucell, const int istep)
 {
     ModuleBase::TITLE("ESolver_KS_PW", "before_scf");
 
-    //! 1) call before_scf() of ESolver_FP
-    ESolver_FP::before_scf(ucell, istep);
+    //! 1) call before_scf() of ESolver_KS
+    ESolver_KS<T, Device>::before_scf(ucell, istep);
 
     if (ucell.cell_parameter_updated)
     {

source/module_esolver/lcao_before_scf.cpp

@@ -44,8 +44,8 @@ void ESolver_KS_LCAO<TK, TR>::before_scf(UnitCell& ucell, const int istep)
 {
     ModuleBase::TITLE("ESolver_KS_LCAO", "before_scf");
 
-    //! 1) call before_scf() of ESolver_FP
-    ESolver_FP::before_scf(ucell, istep);
+    //! 1) call before_scf() of ESolver_KS
+    ESolver_KS<TK>::before_scf(ucell, istep);
 
     if (ucell.ionic_position_updated)
     {