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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/***************************************************************************
* Matrix22.h
*
* Thu Jun 29 22:26:17 2006
* Copyright 2006 N. Sharjith
* sharjith@gmail.com
****************************************************************************/
#ifndef _MATRIX22_H
#define _MATRIX22_H
#include "VKGeom.h"
#include "Geometry2D.h"
class CPoint2D;
class CVector2D;
class VKGEOM_API CMatrix22
{
public:
CMatrix22();
CMatrix22(double r1[2],double r2[2]);
~CMatrix22();
CMatrix22 operator*(const CMatrix22&);
CVector2D operator*(const CVector2D&);
CMatrix22 operator*(const double Value);
void operator*=(const CMatrix22&);
void operator*=(const double Value);
CMatrix22 operator/(const double Value);
void operator/=(const double Value);
CMatrix22 operator+(const CMatrix22&);
void operator+=(const CMatrix22&);
CMatrix22 operator-(const CMatrix22&);
void operator-=(const CMatrix22&);
double Determinant();
void Invert();
CMatrix22 Inverted() const;
void Transpose();
void Value() const;
bool IsNull() const;
bool IsDiagonal() const;
bool IsSymmetrical() const;
bool IsScalar() const;
bool IsIdentity() const;
bool IsEqual(const CMatrix22&) const;
inline double operator()(int row, int col) const { return Row[row][col]; }
inline double &operator()(int row, int col) { return Row[row][col]; }
void SetIdentity();
void SetRotation(double ang);
void SetScale(const CPoint2D&);
CPoint2D GetDiagonal() const;
private:
double Row[2][2];
CMatrix22 Adjoint();
};
#endif /* _MATRIX22_H */
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Sharjith is a Mechanical Engineer with strong passion for Automobiles, Aircrafts and Software development.