SymEigsSolver.h

// Copyright (C) 2016-2025 Yixuan Qiu <yixuan.qiu@cos.name>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
#ifndef SPECTRA_SYM_EIGS_SOLVER_H
#define SPECTRA_SYM_EIGS_SOLVER_H
 
#include <Eigen/Core>
 
#include "HermEigsBase.h"
#include "Util/SelectionRule.h"
#include "MatOp/DenseSymMatProd.h"
 
namespace Spectra {

template <typename OpType = DenseSymMatProd<double>>
class SymEigsSolver : public HermEigsBase<OpType, IdentityBOp>
{
private:
    using Index = Eigen::Index;
 
public:
    SymEigsSolver(OpType& op, Index nev, Index ncv) :
        HermEigsBase<OpType, IdentityBOp>(op, IdentityBOp(), nev, ncv)
    {}
};
 
}  // namespace Spectra
 
#endif  // SPECTRA_SYM_EIGS_SOLVER_H