Import Geant4 9.0.0 source tree

2016-06-09 15:16:48 +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.                      *
+// * 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: G4GeometryTolerance.cc,v 1.2 2007/06/18 13:26:40 gcosmo Exp $
+// GEANT4 tag $Name: geant4-09-00 $
+//
+// class G4GeometryTolerance
+//
+// Implementation
+//
+// Author:
+// 30.10.06 - G.Cosmo, first implementation
+// --------------------------------------------------------------------
+
+#include "G4GeometryTolerance.hh"
+#include "globals.hh"
+
+// ***************************************************************************
+// Static class data
+// ***************************************************************************
+//
+G4GeometryTolerance* G4GeometryTolerance::fInstance = 0;
+G4bool G4GeometryTolerance::fInitialised = false;
+G4double G4GeometryTolerance::fCarTolerance = 1E-9*mm;
+G4double G4GeometryTolerance::fAngTolerance = 1E-9*rad;
+G4double G4GeometryTolerance::fRadTolerance = 1E-9*mm;
+
+// ***************************************************************************
+// Constructor.
+// ***************************************************************************
+//
+G4GeometryTolerance::G4GeometryTolerance()
+{
+}
+
+// ***************************************************************************
+// Empty destructor.
+// ***************************************************************************
+//
+G4GeometryTolerance::~G4GeometryTolerance()
+{
+}
+
+// ***************************************************************************
+// Returns the instance of the singleton.
+// Creates it in case it's called for the first time.
+// ***************************************************************************
+//
+G4GeometryTolerance* G4GeometryTolerance::GetInstance()
+{
+  static G4GeometryTolerance theToleranceManager;
+  if (!fInstance)
+  {
+    fInstance = &theToleranceManager;
+  }
+  return fInstance;    
+}
+
+// ***************************************************************************
+// Accessors.
+// ***************************************************************************
+//
+G4double G4GeometryTolerance::GetSurfaceTolerance() const
+{
+  return fCarTolerance;
+}
+
+G4double G4GeometryTolerance::GetAngularTolerance() const
+{
+  return fAngTolerance;
+}
+
+G4double G4GeometryTolerance::GetRadialTolerance() const
+{
+  return fRadTolerance;
+}
+
+// ***************************************************************************
+// Sets the tolerance to a value computed on the basis of the world volume
+// extent provided as argument. The method can be called only once.
+// ***************************************************************************
+//
+void G4GeometryTolerance::SetSurfaceTolerance(G4double worldExtent)
+{
+  if (!fInitialised)
+  {
+    fCarTolerance = worldExtent*1E-11*mm;
+    fInitialised = true;
+  }
+  else
+  {
+    G4cout << "WARNING - G4GeometryTolerance::SetSurfaceTolerance()" << G4endl
+           << "          Tolerance can only be set once. Currently set to: "
+           << fCarTolerance/mm << " mm." << G4endl;
+    G4Exception("G4GeometryTolerance::SetSurfaceTolerance()",
+                "NotApplicable", JustWarning,
+                "The tolerance has been already set!");
+  }
+}