/*
 * Copyright (c) 2014-2015:  G-CSC, Goethe University Frankfurt
 * Author: Arne Nägel
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program 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.
 */

#ifndef __H__UG__LIB_DISC__OPERATOR__LINEAR_OPERATOR__SCHUR__
#define __H__UG__LIB_DISC__OPERATOR__LINEAR_OPERATOR__SCHUR__


#ifdef UG_PARALLEL

#include "common/profiler/profiler.h"
#include "common/log.h"

#define PROFILE_SCHUR
#ifdef PROFILE_SCHUR
	#define SCHUR_PROFILE_FUNC()			PROFILE_FUNC_GROUP("algebra schur")
	#define SCHUR_PROFILE_BEGIN(name)	PROFILE_BEGIN_GROUP(name, "algebra schur")
	#define SCHUR_PROFILE_END_(name)			PROFILE_END_(name)
#else
	#define SCHUR_PROFILE_FUNC()
	#define SCHUR_PROFILE_BEGIN(name)
	#define SCHUR_PROFILE_END_(name)
#endif

namespace ug{

extern DebugID SchurDebug;

} // end namespace ug


#include "lib_algebra/adapter/slicing.h"

namespace ug{
enum schur_slice_desc_type {SD_INNER=0, SD_SKELETON, SLICE_DESC_SIZE};

typedef std::vector<schur_slice_desc_type> SchurSliceDescVector;
typedef SlicingData<SchurSliceDescVector, 2> SchurSlicingData;

}

//#include "schur_complement_operator.h"
//#include "schur_precond.h"

#endif /* UG_PARALLEL */

#endif /* __H__UG__LIB_DISC__OPERATOR__LINEAR_OPERATOR__SCHUR__ */
