Update docs

Author: Cstandardlib

source/module_hsolver/diago_bpcg.h

@@ -56,9 +56,9 @@ class DiagoBPCG
     void init_iter(const psi::Psi<T, Device> &psi_in);
 
     /**
-     * @brief Diagonalize the Hamiltonian using the CG method.
+     * @brief Diagonalize the Hamiltonian using the BPCG method.
      *
-     * This function is an override function for the CG method. It is called by the HsolverPW::solve() function.
+     * This function is called by the HsolverPW::solve() function.
      *
      * @param phm_in A pointer to the hamilt::Hamilt object representing the Hamiltonian operator.
      * @param psi The input wavefunction psi matrix with [dim: n_basis x n_band, column major].

source/module_hsolver/diago_cg.h

@@ -40,7 +40,7 @@ class DiagoCG final
 
     // virtual void init(){};
     // refactor hpsi_info
-    // this is the override function diag() for CG method
+    // this is the diag() function for CG method
     void diag(const Func& hpsi_func, const Func& spsi_func, ct::Tensor& psi, ct::Tensor& eigen, const ct::Tensor& prec = {});
 
   private:

source/module_hsolver/hsolver_pw.cpp

@@ -228,7 +228,7 @@ void HSolverPW<T, Device>::solve(hamilt::Hamilt<T, Device>* pHamilt,
     const std::initializer_list<std::string> _methods = {"cg", "dav", "dav_subspace", "bpcg"};
     if (std::find(std::begin(_methods), std::end(_methods), this->method) == std::end(_methods))
     {
-        ModuleBase::WARNING_QUIT("HSolverPW::solve", "This method of DiagH is not supported!");
+        ModuleBase::WARNING_QUIT("HSolverPW::solve", "This type of eigensolver is not supported!");
     }
 
     // prepare for the precondition of diagonalization