Gabriele Cosmo
68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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//
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// --------------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// G4ApproxPolySolver
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//
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// Class description:
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//
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// Polynomial solver for equations of the type:
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// c0 + c1 x + c2 x^2 + c3 x^3 + c4 x^4
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// Author:
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// Oliver Link (Oliver.Link@cern.ch)
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//
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// --------------------------------------------------------------------
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#ifndef __G4APPROXPOLYSOLVER__
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#define __G4APPROXPOLYSOLVER__
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#include "G4Types.hh"
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#include "G4String.hh"
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#include "geomdefs.hh"
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class G4ApproxPolySolver
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{
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// c0 + c1 x + c2 x^2 + c3 x^3 + c4 x^4
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public:
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G4ApproxPolySolver(){}
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~G4ApproxPolySolver(){}
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public:
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G4int SolveBiQuadratic( G4double c[], G4double s[] ) const ;
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G4int SolveCubic( G4double c[], G4double s[] ) const ;
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G4int SolveBiQuadraticNew( G4double c[], G4double s[] ) const ;
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G4int SolveCubicNew( G4double c[], G4double s[],
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G4double& cubic_discr ) const ;
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G4int SolveQuadratic( G4double c[], G4double s[] ) const ;
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};
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#endif
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