FEApp_SourceFunctionFactoryImpl.hpp

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// $Id: FEApp_SourceFunctionFactoryImpl.hpp,v 1.2.2.3 2007/08/14 00:19:05 etphipp Exp $ 
// $Source: /space/CVS/Trilinos/packages/sacado/example/FEApp/FEApp_SourceFunctionFactoryImpl.hpp,v $ 
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// 
//                           Sacado Package
//                 Copyright (2006) Sandia Corporation
// 
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// (etphipp@sandia.gov).
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#include "Teuchos_TestForException.hpp"
#include "FEApp_QuadraticSourceFunction.hpp"
#include "FEApp_CubicSourceFunction.hpp"

template <typename ScalarT>
FEApp::SourceFunctionFactory<ScalarT>::SourceFunctionFactory(
      const Teuchos::RCP<Teuchos::ParameterList>& funcParams_,
      const Teuchos::RCP<Sacado::ScalarParameterLibrary>& paramLib_) :
  funcParams(funcParams_), paramLib(paramLib_)
{
}

template <typename ScalarT>
Teuchos::RCP< FEApp::AbstractSourceFunction<ScalarT> >
FEApp::SourceFunctionFactory<ScalarT>::create()
{
  Teuchos::RCP< FEApp::AbstractSourceFunction<ScalarT> > strategy;

  std::string& method = funcParams->get("Name", "Quadratic");
  if (method == "Quadratic") {
    double factor = funcParams->get("Nonlinear Factor", 1.0);
    strategy = 
      Teuchos::rcp(new FEApp::QuadraticSourceFunction<ScalarT>(factor,
                     paramLib));
  }
  else if (method == "Cubic") {
    double factor = funcParams->get("Nonlinear Factor", 1.0);
    strategy = 
      Teuchos::rcp(new FEApp::CubicSourceFunction<ScalarT>(factor,
                 paramLib));
  }
  else {
    TEST_FOR_EXCEPTION(true, Teuchos::Exceptions::InvalidParameter,
           std::endl << 
           "Error!  Unknown source function " << method << 
           "!" << std::endl << "Supplied parameter list is " << 
           std::endl << *funcParams);
  }

  return strategy;
}

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