[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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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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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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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: G4NeutronHPPolynomExpansion.hh,v 1.11 2007/06/06 12:45:13 ahoward Exp $ |
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[962] | 28 | // GEANT4 tag $Name: geant4-09-02-ref-02 $ |
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[819] | 29 | // |
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| 30 | #ifndef G4NeutronHPPolynomExpansion_h |
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| 31 | #define G4NeutronHPPolynomExpansion_h 1 |
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| 32 | |
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| 33 | #include "globals.hh" |
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| 34 | #include "G4ios.hh" |
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| 35 | #include <fstream> |
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| 36 | |
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| 37 | class G4NeutronHPPolynomExpansion |
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| 38 | { |
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| 39 | public: |
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| 40 | G4NeutronHPPolynomExpansion() |
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| 41 | { |
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| 42 | theCoeff = 0; |
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| 43 | nPoly=0; |
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| 44 | } |
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| 45 | ~G4NeutronHPPolynomExpansion() |
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| 46 | { |
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| 47 | if(theCoeff!=0) delete [] theCoeff; |
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| 48 | } |
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| 49 | |
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| 50 | inline void Init(std::ifstream & theData) |
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| 51 | { |
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| 52 | theData >> nPoly; |
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| 53 | theCoeff = new G4double[nPoly]; |
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| 54 | G4int i; |
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| 55 | for(i=0;i<nPoly;i++) |
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| 56 | { |
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| 57 | theData >> theCoeff[i]; |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | inline G4double GetValue(G4double anEnergy) |
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| 62 | { |
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| 63 | G4int i; |
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| 64 | G4double result=0; |
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| 65 | G4double base = anEnergy/eV; |
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| 66 | G4double running = 1; |
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| 67 | for(i=0; i<nPoly; i++) |
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| 68 | { |
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| 69 | result+=theCoeff[i]*running; |
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| 70 | running *= base; |
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| 71 | } |
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| 72 | return result; |
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| 73 | } |
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| 74 | private: |
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| 75 | |
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| 76 | G4int nPoly; |
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| 77 | G4double * theCoeff; |
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| 78 | }; |
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| 79 | |
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| 80 | #endif |
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