53 lines
2.5 KiB
C++
53 lines
2.5 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4MagIntegratorStepper implementation
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//
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// Author: J.Apostolakis, CERN - 15.01.1997
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// --------------------------------------------------------------------
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#include <cassert>
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#include "G4MagIntegratorStepper.hh"
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// Constructor for stepper abstract base class.
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//
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//
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G4MagIntegratorStepper::
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G4MagIntegratorStepper( G4EquationOfMotion* Equation,
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G4int num_integration_vars,
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G4int num_state_vars,
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G4bool isFSAL )
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: fEquation_Rhs(Equation),
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fNoIntegrationVariables(num_integration_vars),
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fNoStateVariables(std::max(num_state_vars,8)),
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fIsFSAL(isFSAL)
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{
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if( Equation == nullptr ) {
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G4Exception( "G4MagIntegratorStepper::G4MagIntegratorStepper", "GeomField0003",
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FatalErrorInArgument, "Must have non-null equation." );
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}
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assert( Equation != nullptr );
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}
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