| [831] | 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4ThreeMat.hh,v 1.10 2006/06/29 18:40:58 gunter Exp $
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| [1337] | 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $
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| [831] | 29 | //
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| 30 | // ----------------------------------------------------------------------
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| 31 | // Class G4ThreeMat
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // Defines the class G4ThreeMat for three by three matrices.
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| 36 |
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| 37 | // Author: Alan Breakstone
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| 38 | // Adaptation by: J.Sulkimo, P.Urban.
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| 39 | // Revisions by: L.Broglia, G.Cosmo.
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| 40 | // ----------------------------------------------------------------------
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| 41 | #ifndef __THREEMAT_H
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| 42 | #define __THREEMAT_H
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| 43 |
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| 44 | #include "G4Vector3D.hh"
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| 45 |
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| 46 | class G4ThreeMat
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| 47 | {
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| 48 |
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| 49 | public: // with description
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| 50 |
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| 51 | G4ThreeMat();
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| 52 | // Default constructor.
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| 53 |
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| 54 | G4ThreeMat( G4double a[3][3] );
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| 55 | // Normal constructors with a 3 x 3 array argument.
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| 56 |
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| 57 | virtual ~G4ThreeMat();
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| 58 | // Destructor.
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| 59 |
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| 60 | G4ThreeMat( const G4ThreeMat& m );
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| 61 | G4ThreeMat& operator=( const G4ThreeMat& m );
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| 62 | // Copy constructor and assignment operator.
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| 63 |
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| 64 | G4int operator==( const G4ThreeMat& m ) const;
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| 65 | // Equality operator.
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| 66 |
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| 67 | friend std::ostream& operator<<( std::ostream& os, const G4ThreeMat& m );
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| 68 |
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| 69 | virtual const char* NameOf() const;
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| 70 | // Returns the class name.
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| 71 |
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| 72 | virtual void PrintOn( std::ostream& os = G4cout ) const;
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| 73 | // Printing functions (derived classes do not need to overwrite operator <<).
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| 74 |
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| 75 | G4double Determinant() const;
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| 76 | // Determinant of matrix.
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| 77 |
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| 78 | private:
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| 79 |
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| 80 | G4double element[3][3];
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| 81 | G4Vector3D row[3], column[3];
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| 82 | // The elements exist individually and are also aggregated into rows and
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| 83 | // columns to use operations already written for the G4Vector3Dc class.
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| 84 | };
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| 85 |
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| 86 | #endif
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