Import Geant4 9.1.0 source tree

2016-06-09 15:37:50 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration and of QinetiQ Ltd,   *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// $Id:
+// GEANT4 tag $Name: geant4-09-01 $
+//
+// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//
+// MODULE:              G4TessellatedGeometryAlgorithms.icc
+//
+// Date:                07/08/2005
+// Author:              Rickard Holmberg & Pete Truscott
+// Organisation:        QinetiQ Ltd, UK (PT)
+// Customer:            ESA-ESTEC / TEC-EES
+// Contract:            
+//
+// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//
+// CHANGE HISTORY
+// --------------
+//
+// 07 August 2007, P R Truscott, QinetiQ Ltd, UK - Created, with member
+//                 functions based on the work of Rickard Holmberg.
+//
+// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+//
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// CrossProduct
+//
+// This is just a ficticious "cross-product" function for two 2D vectors...
+// "ficticious" because such an operation is not relevant to 2D space compared
+// with 3D space.
+//
+inline G4double
+G4TessellatedGeometryAlgorithms::cross(const G4TwoVector v1,
+                                       const G4TwoVector v2) const
+{
+  return v1.x()*v2.y() - v1.y()*v2.x();
+}