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geant4/source/geometry/solids/BREPS/include/G4ThreeMat.hh
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// This code implementation is the intellectual property of
// the GEANT4 collaboration.
//
// By copying, distributing or modifying the Program (or any work
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4ThreeMat.hh,v 1.1.10.1 1999/12/07 20:48:20 gunter Exp $
// GEANT4 tag $Name: geant4-01-00 $
//
/* G4ThreeMat.h,v 1.7 1993/12/30 02:15:55 rensing Exp */
// File: G4ThreeMat.h
// Author: Alan Breakstone
// Contents ---------------------------------------------------------------
//
// G4ThreeMat
//
// Description
//
// Defines the class G4ThreeMat for three by three matrices
//
//
// End --------------------------------------------------------------------
// Interface Dependencies -------------------------------------------------
#ifndef __THREEMAT_H
#define __THREEMAT_H
#include "G4Vector3D.hh"
// End Interface Dependencies -------------------------------------------
// Class //
class G4ThreeMat
{
// The elements exist individually and are also aggregated into
// rows and columns to use operations already written for the G4Vector3Dc
// class.
G4double element[3][3];
G4Vector3D row[3], column[3];
public:
// default constructor
G4ThreeMat();
// Normal constructors with a 3 x 3 arG4Ray argument
G4ThreeMat( G4double a[3][3] );
// destructor
virtual ~G4ThreeMat() {};
// copy constructor
G4ThreeMat( const G4ThreeMat& m );
// function to return class name
virtual char *NameOf() const { return "G4ThreeMat"; }
// printing functions (derived classes do not need to overwrite operator <<)
friend ostream& operator<<( ostream& os, const G4ThreeMat& m );
virtual void PrintOn( ostream& os = G4cout ) const;
// equality operator
int operator==( const G4ThreeMat& m );
//
// overload operators =, +, -, +=, -=, *
//
void operator=( const G4ThreeMat& m );
G4ThreeMat operator+() const { return *this; };
G4ThreeMat operator-();
G4ThreeMat operator+=( const G4ThreeMat& m2 );
G4ThreeMat operator-=( const G4ThreeMat& m2 );
friend G4ThreeMat operator+( const G4ThreeMat& m1, const G4ThreeMat& m2 );
friend G4ThreeMat operator-( const G4ThreeMat& m1, const G4ThreeMat& m2 );
friend G4ThreeMat operator*( G4double x, const G4ThreeMat& m );
friend G4Vector3D operator*( const G4ThreeMat& m, const G4Vector3D& v );
friend G4ThreeMat operator*( const G4ThreeMat& m1, const G4ThreeMat& m2 );
//
// Determinant of matrix
G4double Determinant();
};
#endif