Gabriele Cosmo
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4ThreeMat.hh,v 1.7 2000/11/08 14:22:05 gcosmo Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// ----------------------------------------------------------------------
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// Class G4ThreeMat
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//
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// Class description:
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//
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// Defines the class G4ThreeMat for three by three matrices.
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// Author: Alan Breakstone
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// Adaptation by: J.Sulkimo, P.Urban.
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// Revisions by: L.Broglia, G.Cosmo.
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// ----------------------------------------------------------------------
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#ifndef __THREEMAT_H
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#define __THREEMAT_H
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#include "G4Vector3D.hh"
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class G4ThreeMat
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{
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public: // with description
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G4ThreeMat();
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// Default constructor.
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G4ThreeMat( G4double a[3][3] );
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// Normal constructors with a 3 x 3 array argument.
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virtual ~G4ThreeMat();
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// Destructor.
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G4ThreeMat( const G4ThreeMat& m );
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G4ThreeMat& operator=( const G4ThreeMat& m );
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// Copy constructor and assignment operator.
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G4int operator==( const G4ThreeMat& m ) const;
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// Equality operator.
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friend G4std::ostream& operator<<( G4std::ostream& os, const G4ThreeMat& m );
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virtual const char* NameOf() const;
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// Returns the class name.
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virtual void PrintOn( G4std::ostream& os = G4cout ) const;
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// Printing functions (derived classes do not need to overwrite operator <<).
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G4double Determinant() const;
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// Determinant of matrix.
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private:
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G4double element[3][3];
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G4Vector3D row[3], column[3];
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// The elements exist individually and are also aggregated into rows and
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// columns to use operations already written for the G4Vector3Dc class.
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};
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#endif
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