Gabriele Cosmo
64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
// This code implementation is the intellectual property of
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// neutron_hp -- header file
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// J.P. Wellisch, Nov-1996
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// A prototype of the low energy neutron transport model.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4NeutronHPPolynomExpansion.hh,v 1.4 1999/12/15 14:53:13 gunter Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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#ifndef G4NeutronHPPolynomExpansion_h
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#define G4NeutronHPPolynomExpansion_h 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include "g4std/fstream"
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class G4NeutronHPPolynomExpansion
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{
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public:
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G4NeutronHPPolynomExpansion()
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{
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theCoeff = NULL;
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nPoly=0;
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}
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~G4NeutronHPPolynomExpansion()
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{
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if(theCoeff!=NULL) delete [] theCoeff;
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}
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inline void Init(G4std::ifstream & theData)
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{
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theData >> nPoly;
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theCoeff = new G4double[nPoly];
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G4int i;
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for(i=0;i<nPoly;i++)
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{
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theData >> theCoeff[i];
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}
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}
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inline G4double GetValue(G4double anEnergy)
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{
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G4int i;
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G4double result=0;
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G4double base = anEnergy/eV;
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G4double running = 1;
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for(i=0; i<nPoly; i++)
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{
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result+=theCoeff[i]*running;
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running *= base;
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}
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return result;
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}
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private:
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G4int nPoly;
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G4double * theCoeff;
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};
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#endif
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