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linearSystem.h
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Christophe Geuzaine authoredChristophe Geuzaine authored
linearSystem.h 1.38 KiB
// Gmsh - Copyright (C) 1997-2010 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to <gmsh@geuz.org>.
#ifndef _LINEAR_SYSTEM_H_
#define _LINEAR_SYSTEM_H_
#include <map>
#include <string>
// A class that encapsulates a linear system solver interface :
// building a sparse matrix, solving a linear system
class binding;
class linearSystemBase {
protected:
std::map<std::string, std::string> _parameters;
public :
virtual bool isAllocated() const = 0;
virtual void allocate(int nbRows) = 0;
virtual void clear() = 0;
virtual void zeroMatrix() = 0;
virtual void zeroRightHandSide() = 0;
virtual int systemSolve() = 0;
void setParameter (std::string key, std::string value);
virtual void insertInSparsityPattern(int _row, int _col){};
};
template <class scalar>
class linearSystem : public linearSystemBase {
public :
linearSystem (){}
virtual ~linearSystem (){}
virtual void addToMatrix(int _row, int _col, const scalar &val) = 0;
virtual void getFromMatrix(int _row, int _col, scalar &val) const = 0;
virtual void addToRightHandSide(int _row, const scalar &val) = 0;
virtual void getFromRightHandSide(int _row, scalar &val) const = 0;
virtual void getFromSolution(int _row, scalar &val) const = 0;
static void registerBindings (binding*);
virtual double normInfRightHandSide() const = 0;
};
#endif