Gabriele Cosmo
86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id$
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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 std::ostream& operator<<( std::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( std::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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