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lammps/lib/poems/virtualmatrix.h
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virtualmatrix.h
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/*
*_________________________________________________________________________*
* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
* DESCRIPTION: SEE READ-ME *
* FILE NAME: virtualmatrix.h *
* AUTHORS: See Author List *
* GRANTS: See Grants List *
* COPYRIGHT: (C) 2005 by Authors as listed in Author's List *
* LICENSE: Please see License Agreement *
* DOWNLOAD: Free at www.rpi.edu/~anderk5 *
* ADMINISTRATOR: Prof. Kurt Anderson *
* Computational Dynamics Lab *
* Rensselaer Polytechnic Institute *
* 110 8th St. Troy NY 12180 *
* CONTACT: anderk5@rpi.edu *
*_________________________________________________________________________*/
#ifndef VIRTUALMATRIX_H
#define VIRTUALMATRIX_H
#include <iostream>
enum MatrixType {
MATRIX = 0,
COLMATRIX = 1,
ROWMATRIX = 2,
MAT3X3 = 3,
VECT3 = 4,
MAT6X6 = 5,
VECT6 = 6,
COLMATMAP = 7,
VECT4 = 8,
MAT4X4 = 9
};
class VirtualMatrix {
protected:
int numrows, numcols;
public:
VirtualMatrix();
virtual ~VirtualMatrix();
int GetNumRows() const;
int GetNumCols() const;
double& operator() (int i, int j); // array access
double Get(int i, int j) const;
void Set(int i, int j, double value);
double BasicGet(int i, int j) const;
void BasicSet(int i, int j, double value);
void BasicIncrement(int i, int j, double value);
double& operator() (int i); // array access
double Get(int i) const;
void Set(int i, double value);
double BasicGet(int i) const;
void BasicSet(int i, double value);
void BasicIncrement(int i, double value);
virtual void Const(double value) = 0;
virtual MatrixType GetType() const = 0;
virtual void AssignVM(const VirtualMatrix& A) = 0;
void Zeros();
void Ones();
virtual std::ostream& WriteData(std::ostream& c) const;
virtual std::istream& ReadData(std::istream& c);
protected:
virtual double& operator_2int(int i, int j) = 0;
virtual double& operator_1int(int i);
virtual double Get_2int(int i, int j) const = 0;
virtual double Get_1int(int i) const ;
virtual void Set_2int(int i, int j, double value) = 0;
virtual void Set_1int(int i, double value);
virtual double BasicGet_2int(int i, int j) const = 0;
virtual double BasicGet_1int(int i) const ;
virtual void BasicSet_2int(int i, int j, double value) = 0;
virtual void BasicSet_1int(int i, double value);
virtual void BasicIncrement_2int(int i, int j, double value) = 0;
virtual void BasicIncrement_1int(int i, double value);
};
// overloaded operators
std::ostream& operator<< (std::ostream& c, const VirtualMatrix& A); // output
std::istream& operator>> (std::istream& c, VirtualMatrix& A); // input
#endif
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