inverse_matrix.h

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#ifndef INVERSE_MATRIX_H
#define INVERSE_MATRIX_H
 
#include "global_function.h"
#include "global_variable.h"
#include "complexmatrix.h"
namespace ModuleBase
{
 
class Inverse_Matrix_Complex
{
    public:
 
    Inverse_Matrix_Complex();
    ~Inverse_Matrix_Complex();
    
    ModuleBase::ComplexMatrix A;
 
    void using_zheev(const ModuleBase::ComplexMatrix &in, ModuleBase::ComplexMatrix &out);
    void init( const int &dim_in);
 
    private:
    int dim=0;
    double *e=nullptr;
    int lwork=0;
    std::complex<double> *work2=nullptr;
    double* rwork=nullptr;
    int info=0;
    bool allocate=false; //mohan add 2012-04-02
 
    ModuleBase::ComplexMatrix EA;
};
 
void Inverse_Matrix_Real(const int dim, const double* in, double* out);
}
#endif