| 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 and of QinetiQ Ltd, * |
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| 20 | // * subject to DEFCON 705 IPR conditions. * |
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| 21 | // * By using, copying, modifying or distributing the software (or * |
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| 22 | // * any work based on the software) you agree to acknowledge its * |
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| 23 | // * use in resulting scientific publications, and indicate your * |
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| 24 | // * acceptance of all terms of the Geant4 Software license. * |
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| 25 | // ******************************************************************** |
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| 26 | // |
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| 27 | // $Id: |
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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| 29 | // |
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| 30 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 31 | // |
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| 32 | // MODULE: G4TessellatedGeometryAlgorithms.icc |
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| 33 | // |
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| 34 | // Date: 07/08/2005 |
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| 35 | // Author: Rickard Holmberg & Pete Truscott |
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| 36 | // Organisation: QinetiQ Ltd, UK (PT) |
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| 37 | // Customer: ESA-ESTEC / TEC-EES |
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| 38 | // Contract: |
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| 39 | // |
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| 40 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 41 | // |
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| 42 | // CHANGE HISTORY |
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| 43 | // -------------- |
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| 44 | // |
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| 45 | // 07 August 2007, P R Truscott, QinetiQ Ltd, UK - Created, with member |
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| 46 | // functions based on the work of Rickard Holmberg. |
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| 47 | // |
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| 48 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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| 49 | // |
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| 50 | |
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| 51 | /////////////////////////////////////////////////////////////////////////////// |
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| 52 | // |
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| 53 | // CrossProduct |
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| 54 | // |
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| 55 | // This is just a ficticious "cross-product" function for two 2D vectors... |
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| 56 | // "ficticious" because such an operation is not relevant to 2D space compared |
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| 57 | // with 3D space. |
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| 58 | // |
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| 59 | inline G4double |
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| 60 | G4TessellatedGeometryAlgorithms::cross(const G4TwoVector v1, |
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| 61 | const G4TwoVector v2) const |
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| 62 | { |
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| 63 | return v1.x()*v2.y() - v1.y()*v2.x(); |
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| 64 | } |
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