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 | // * 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 | // $Id: |
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27 | // GEANT4 tag $Name: HEAD $ |
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28 | // |
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29 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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30 | // |
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31 | // MODULE: G4TessellatedGeometryAlgorithms.icc |
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32 | // |
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33 | // Date: 07/08/2005 |
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34 | // Author: Rickard Holmberg & Pete Truscott |
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35 | // Organisation: QinetiQ Ltd, UK (PT) |
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36 | // Customer: ESA-ESTEC / TEC-EES |
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37 | // Contract: |
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38 | // |
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39 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
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40 | // |
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41 | // CHANGE HISTORY |
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42 | // -------------- |
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43 | // |
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44 | // 07 August 2007, P R Truscott, QinetiQ Ltd, UK - Created, with member |
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45 | // functions based on the work of Rickard Holmberg. |
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46 | // |
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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 | // CrossProduct |
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53 | // |
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54 | // This is just a ficticious "cross-product" function for two 2D vectors... |
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55 | // "ficticious" because such an operation is not relevant to 2D space compared |
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56 | // with 3D space. |
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57 | // |
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58 | inline G4double |
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59 | G4TessellatedGeometryAlgorithms::cross(const G4TwoVector v1, |
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60 | const G4TwoVector v2) const |
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61 | { |
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62 | return v1.x()*v2.y() - v1.y()*v2.x(); |
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63 | } |
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