ParsedOptimizationFunction.h

Go to the documentation of this file.

//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "OptimizationFunction.h"
#include "ReporterInterface.h"
 
#include "libmesh/fparser_ad.hh"
 
class ParsedOptimizationFunction : public OptimizationFunction, public ReporterInterface
{
public:
  static InputParameters validParams();
 
  ParsedOptimizationFunction(const InputParameters & parameters);
 
  using Function::value;
  virtual Real value(Real t, const Point & p) const override;
  virtual RealGradient gradient(Real t, const Point & p) const override;
  virtual Real timeDerivative(Real t, const Point & p) const override;
  virtual std::vector<Real> parameterGradient(Real t, const Point & p) const override;
 
protected:
  Real evaluateExpression(FunctionParserADBase<Real> & parser,
                          Real t,
                          const Point & p,
                          std::string name = "") const;
 
  const std::string & _expression;
 
  const std::vector<std::string> & _param_names;
 
  const std::vector<Real> & _params;
 
  const std::vector<std::string> & _symbol_names;
 
  const std::vector<Real> & _symbol_values;
 
  std::unique_ptr<FunctionParserADBase<Real>> _parser;
 
  std::vector<std::unique_ptr<FunctionParserADBase<Real>>> _derivative_parsers;
};