| 1 | // |
|---|
| 2 | // ******************************************************************** |
|---|
| 3 | // * License and Disclaimer * |
|---|
| 4 | // * * |
|---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
|---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
|---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
|---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
|---|
| 9 | // * include a list of copyright holders. * |
|---|
| 10 | // * * |
|---|
| 11 | // * Neither the authors of this software system, nor their employing * |
|---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
|---|
| 13 | // * work make any representation or warranty, express or implied, * |
|---|
| 14 | // * regarding this software system or assume any liability for its * |
|---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
|---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
|---|
| 17 | // * * |
|---|
| 18 | // * This code implementation is the result of the scientific and * |
|---|
| 19 | // * technical work of the GEANT4 collaboration and of QinetiQ Ltd, * |
|---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
|---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
|---|
| 22 | // * use in resulting scientific publications, and indicate your * |
|---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
|---|
| 24 | // ******************************************************************** |
|---|
| 25 | // |
|---|
| 26 | // $Id: |
|---|
| 27 | // GEANT4 tag $Name: $ |
|---|
| 28 | // |
|---|
| 29 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|---|
| 30 | // |
|---|
| 31 | // MODULE: G4TessellatedGeometryAlgorithms.icc |
|---|
| 32 | // |
|---|
| 33 | // Date: 07/08/2005 |
|---|
| 34 | // Author: Rickard Holmberg & Pete Truscott |
|---|
| 35 | // Organisation: QinetiQ Ltd, UK (PT) |
|---|
| 36 | // Customer: ESA-ESTEC / TEC-EES |
|---|
| 37 | // Contract: |
|---|
| 38 | // |
|---|
| 39 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|---|
| 40 | // |
|---|
| 41 | // CHANGE HISTORY |
|---|
| 42 | // -------------- |
|---|
| 43 | // |
|---|
| 44 | // 07 August 2007, P R Truscott, QinetiQ Ltd, UK - Created, with member |
|---|
| 45 | // functions based on the work of Rickard Holmberg. |
|---|
| 46 | // |
|---|
| 47 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
|---|
| 48 | // |
|---|
| 49 | |
|---|
| 50 | /////////////////////////////////////////////////////////////////////////////// |
|---|
| 51 | // |
|---|
| 52 | // CrossProduct |
|---|
| 53 | // |
|---|
| 54 | // This is just a ficticious "cross-product" function for two 2D vectors... |
|---|
| 55 | // "ficticious" because such an operation is not relevant to 2D space compared |
|---|
| 56 | // with 3D space. |
|---|
| 57 | // |
|---|
| 58 | inline G4double |
|---|
| 59 | G4TessellatedGeometryAlgorithms::cross(const G4TwoVector v1, |
|---|
| 60 | const G4TwoVector v2) const |
|---|
| 61 | { |
|---|
| 62 | return v1.x()*v2.y() - v1.y()*v2.x(); |
|---|
| 63 | } |
|---|
