#ifndef FESA_SOLVERS_LINEAR_MKL_PARDISO_SOLVER_H_
#define FESA_SOLVERS_LINEAR_MKL_PARDISO_SOLVER_H_

#include <memory>

#include "fesa/solvers/linear/linear_solver.h"

namespace fesa {

/// @brief Adapts retained oneMKL PARDISO state behind LinearSolver.
class MklPardisoSolver final : public LinearSolver {
 public:
  /// @brief Constructs an empty, unfactorized PARDISO adapter.
  MklPardisoSolver();

  /// @brief Releases retained PARDISO backend state.
  ~MklPardisoSolver() override;

  /// @brief Validates and factorizes a symmetric free-equation matrix.
  Status Factorize(const SparseMatrix& matrix) override;

  /// @brief Substitutes one right-hand side without refactorization.
  Status Solve(const Vector& rhs, Vector& solution) const override;

 private:
  class Impl;
  std::unique_ptr<Impl> impl_;
};

}  // namespace fesa

#endif  // FESA_SOLVERS_LINEAR_MKL_PARDISO_SOLVER_H_