spoolessolver.h

Go to the documentation of this file.

/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  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 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.
 *
 *  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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef spoolessolver_h
#define spoolessolver_h
 
#include "sparselinsystemnm.h"
#include "sparsemtrx.h"
#include "convergedreason.h"
#include "floatarray.h"
extern "C" {
#include <spooles/misc.h>
#include <spooles/FrontMtx.h>
#include <spooles/SymbFac.h>
};
 


#define _IFT_SpoolesSolver_Name "spooles"
#define _IFT_SpoolesSolver_msglvl "msglvl"
#define _IFT_SpoolesSolver_msgfile "msgfile"
 
namespace oofem {
class Domain;
class EngngModel;
class FloatMatrix;

class OOFEM_EXPORT SpoolesSolver : public SparseLinearSystemNM
{
private:
    SparseMtrx *Lhs;
    SparseMtrx :: SparseMtrxVersionType lhsVersion;
    int msglvl;
    FILE *msgFile;
    int msgFileCloseFlag;
 
    FrontMtx *frontmtx;
    IV *oldToNewIV, *newToOldIV;
    ETree *frontETree;
    IVL *adjIVL, *symbfacIVL;
    SubMtxManager *mtxmanager;
    Graph *graph;
 
public:
    SpoolesSolver(Domain * d, EngngModel * m);

    virtual ~SpoolesSolver();

    ConvergedReason solve(SparseMtrx &A, FloatArray &b, FloatArray &x) override;

    void initializeFrom(InputRecord &ir) override;
 
    // identification
    const char *giveClassName() const override { return "SpoolesSolver"; }
    LinSystSolverType giveLinSystSolverType() const override { return ST_Spooles; }
    SparseMtrxType giveRecommendedMatrix(bool symmetric) const override { return SMT_SpoolesMtrx; }
};
} // end namespace oofem
#endif // spoolessolver_h