| 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. *
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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 | //
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| 27 | // $Id: ApproxEqual.hh,v 1.4 2006/06/29 18:37:15 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $
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| 29 | //
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| 30 |
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| 31 | // ApproxEqual Functions for geometry test programs
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| 32 | //
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| 33 | // History:
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| 34 | // 20.07.95 P.Kent Translated from old code
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| 35 |
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| 36 | #ifndef APPROXEQUAL_HH
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| 37 | #define APPROXEQUAL_HH
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| 38 |
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| 39 | #include "globals.hh"
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| 40 | #include "geomdefs.hh"
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| 41 |
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| 42 | #include "G4ThreeVector.hh"
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| 43 | #include "G4AffineTransform.hh"
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| 44 | #include "G4Navigator.hh"
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| 45 |
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| 46 | const G4double kApproxEqualTolerance = 1E-9;
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| 47 |
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| 48 | // Derived navigator class
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| 49 |
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| 50 | class MyNavigator : public G4Navigator
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| 51 | {
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| 52 | public:
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| 53 |
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| 54 | MyNavigator() : G4Navigator() {}
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| 55 | ~MyNavigator(){}
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| 56 |
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| 57 | G4ThreeVector CurrentLocalCoordinate() const
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| 58 | {
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| 59 | return GetCurrentLocalCoordinate();
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| 60 | }
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| 61 | G4ThreeVector GetNetTranslation() const
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| 62 | {
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| 63 | return NetTranslation();
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| 64 | }
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| 65 | G4RotationMatrix GetNetRotation() const
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| 66 | {
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| 67 | return NetRotation();
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| 68 | }
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| 69 | };
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| 70 |
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| 71 | // Return true if the double check is approximately equal to target
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| 72 | //
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| 73 | // Process:
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| 74 | //
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| 75 | // Return true is check if less than kApproxEqualTolerance from target
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| 76 |
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| 77 | G4bool ApproxEqual(const G4double check,const G4double target)
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| 78 | {
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| 79 | return (std::fabs(check-target)<kApproxEqualTolerance) ?true:false;
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| 80 | }
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| 81 |
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| 82 | // Return true if the 3vector check is approximately equal to target
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| 83 | G4bool ApproxEqual(const G4ThreeVector& check, const G4ThreeVector& target)
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| 84 | {
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| 85 | return (ApproxEqual(check.x(),target.x())&&
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| 86 | ApproxEqual(check.y(),target.y())&&
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| 87 | ApproxEqual(check.z(),target.z())) ? true : false;
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| 88 | }
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| 89 |
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| 90 |
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| 91 | G4bool ApproxEqual(const G4AffineTransform &tf1,
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| 92 | const G4AffineTransform &tf2)
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| 93 | {
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| 94 | for (G4int i=0;i<15;i++)
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| 95 | {
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| 96 | if (!ApproxEqual(tf1[i],tf2[i])) return false;
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| 97 | }
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| 98 | return true;
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| 99 | }
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| 100 |
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| 101 | #endif
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