| 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: testG4PolynomialSolver.cc,v 1.6 2006/06/29 19:00:35 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $
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| 29 | //
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| 30 | #include "G4PolynomialSolver.hh"
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| 31 |
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| 32 | class MyFunctionClass
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| 33 | {
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| 34 | public:
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| 35 | MyFunctionClass (G4double param)
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| 36 | {
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| 37 | Parameter = param;
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| 38 | }
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| 39 |
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| 40 | ~MyFunctionClass () {;}
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| 41 |
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| 42 | void setParam(G4double param)
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| 43 | {
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| 44 | Parameter = param;
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| 45 | }
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| 46 |
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| 47 |
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| 48 | G4double Function(G4double value)
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| 49 | {
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| 50 | G4double result;
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| 51 |
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| 52 | result = value * value - Parameter;
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| 53 |
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| 54 | return result ;
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| 55 | }
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| 56 |
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| 57 | G4double Derivative(G4double value)
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| 58 | {
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| 59 | G4double result;
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| 60 |
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| 61 | result = 2 * value ;
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| 62 |
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| 63 | return result;
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| 64 | }
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| 65 |
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| 66 | private:
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| 67 |
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| 68 | G4double Parameter;
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| 69 |
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| 70 | } ;
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| 71 |
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| 72 |
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| 73 | int main (void)
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| 74 | {
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| 75 | MyFunctionClass MyFunction(1.0);
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| 76 |
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| 77 | G4PolynomialSolver<MyFunctionClass,G4double(MyFunctionClass::*)(G4double)>
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| 78 | PolySolver(&MyFunction,
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| 79 | &MyFunctionClass::Function,
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| 80 | &MyFunctionClass::Derivative,
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| 81 | 1e-6) ;
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| 82 |
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| 83 |
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| 84 | G4double val;
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| 85 |
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| 86 | val = PolySolver.solve(0.0,2.0);
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| 87 |
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| 88 | G4cout << "val = " << val << G4endl;
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| 89 |
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| 90 | MyFunction.setParam(3.0);
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| 91 |
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| 92 | val = PolySolver.solve(0.0,2.0);
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| 93 |
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| 94 | G4cout << "val = " << val << G4endl;
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| 95 |
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| 96 |
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| 97 | return 0;
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| 98 | }
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