Reference documentation for deal.II version Git 0096380e24 2020-08-06 21:03:09 -0400
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parsed_function.h
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2 //
3 // Copyright (C) 2007 - 2019 by the deal.II authors
4 //
5 // This file is part of the deal.II library.
6 //
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8 // it, and/or modify it under the terms of the GNU Lesser General
9 // Public License as published by the Free Software Foundation; either
10 // version 2.1 of the License, or (at your option) any later version.
11 // The full text of the license can be found in the file LICENSE.md at
12 // the top level directory of deal.II.
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15 
16 
17 #ifndef dealii_parsed_function_h
18 #define dealii_parsed_function_h
19 
20 #include <deal.II/base/config.h>
21 
25 
27 
28 namespace Functions
29 {
79  template <int dim>
81  {
82  public:
89  ParsedFunction(const unsigned int n_components = 1, const double h = 1e-8);
90 
108  static void
110  const unsigned int n_components = 1);
111 
181  void
183 
188  virtual void
189  vector_value(const Point<dim> &p, Vector<double> &values) const override;
190 
197  virtual double
198  value(const Point<dim> &p, const unsigned int component = 0) const override;
199 
206  virtual void
207  set_time(const double newtime) override;
208 
209  private:
214  };
215 } // namespace Functions
216 
218 
219 #endif
const unsigned int n_components
Definition: function.h:164
SymmetricTensor< 2, dim, Number > e(const Tensor< 2, dim, Number > &F)
virtual void vector_value(const Point< dim > &p, Vector< double > &values) const override
virtual void set_time(const double newtime) override
static void declare_parameters(ParameterHandler &prm, const unsigned int n_components=1)
void parse_parameters(ParameterHandler &prm)
#define DEAL_II_NAMESPACE_CLOSE
Definition: config.h:363
ParsedFunction(const unsigned int n_components=1, const double h=1e-8)
FunctionParser< dim > function_object
#define DEAL_II_NAMESPACE_OPEN
Definition: config.h:362
virtual double value(const Point< dim > &p, const unsigned int component=0) const override