enum_eigen_solver_type.h

一个用来实现偏微分方程中网格的计算库

// $Id: enum_eigen_solver_type.h 2501 2007-11-20 02:33:29Z benkirk $

// The Next Great Finite Element Library.
// Copyright (C) 2002-2007  Benjamin S. Kirk, John W. Peterson
  
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
  
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef __enum_eigensolver_type_h__
#define __enum_eigensolver_type_h__

/*
 * The \p libMeshEnums namespace is the namespace all \p enum definitions
 * should be put into.
 */

// ------------------------------------------------------------
// enum SolverType definition
namespace libMeshEnums {
  
  /**
   * Defines an \p enum for iterative eigenproblem solver types
   */
  enum EigenSolverType {POWER=0,
			LAPACK,
			SUBSPACE,
			ARNOLDI,
			LANCZOS,
			// SLEPc optional packages
			// EPSARPACK,
			// EPSLAPACK,
			// EPSBLZPACK,
			// EPSPLANSO,
			// EPSTRLAN,
		   
			INVALID_EIGENSOLVER};

  /**
   * Defines an \p enum for  eigenproblem  types.
   * This can be Hermitian (HEP), generalized Hermitian (GHEP), 
   * non-Hermitian (NHEP), and generalized non-Hermitian (GNHEP)
   */
  enum EigenProblemType {NHEP=0,
			 HEP,
			 GNHEP,
			 GHEP,
		   
			 INVALID_EIGENPROBLEMTYPE};



  /**
   * Defines an \p enum for the position of
   * the spectrum, i.e. the eigenvalues to be computed.
   */
  enum PositionOfSpectrum {LARGEST_MAGNITUDE=0,
			   SMALLEST_MAGNITUDE,
			   LARGEST_REAL,
			   SMALLEST_REAL,
			   LARGEST_IMAGINARY,
			   SMALLEST_IMAGINARY,
			
			   INVALID_Postion_of_Spectrum};
}

using namespace libMeshEnums;

#endif // #define __enum_eigensolver_type_h__