Matrix.h

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#ifndef MATRIX_H
#define MATRIX_H

#include <cmath>
#include <sstream>
#include "Vector.h"

class Matrix3D
{
public:
    Mdouble XX, XY, XZ, YX, YY, YZ, ZX, ZY, ZZ;

    Matrix3D();

    Matrix3D(const Mdouble xx, const Mdouble xy, const Mdouble xz, const Mdouble yx, const Mdouble yy, const Mdouble yz, const Mdouble zx, const Mdouble zy, const Mdouble zz);
    
    void setZero();
    
    double trace() const;
    
    Matrix3D operator +(const Matrix3D& A) const;
    
    Matrix3D operator -(const Matrix3D& A) const;
    
    Matrix3D operator +(const Mdouble a) const;
    
    Matrix3D operator -(const Mdouble a) const;
    
    Matrix3D operator *(const Mdouble a) const;
    
    Vec3D operator *(const Vec3D& a) const;
    
    Matrix3D operator *(const Matrix3D& a) const;
    
    Matrix3D operator /(const Mdouble a) const;
    
    friend std::ostream& operator<<(std::ostream& os, const Matrix3D &A);
    
    friend std::istream& operator>>(std::istream& is, Matrix3D &A);
    
    Matrix3D& operator+=(const Matrix3D &A);
    
    Matrix3D& operator-=(const Matrix3D &A);
    
    Matrix3D& operator/=(const Mdouble a);
    
    static Matrix3D square(const Matrix3D &A);
    
    static Matrix3D sqrt(const Matrix3D &A);
    
    static Matrix3D dyadic(const Vec3D& a, const Vec3D& b);

    static Matrix3D cross(const Vec3D& a, const Matrix3D& b);
    
};



#endif