ExplicitEuler.hxx

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 * Copyright (c) 2025, Davide Stocco and Enrico Bertolazzi.                                      *
 *                                                                                               *
 * The Sandals project is distributed under the BSD 2-Clause License.                            *
 *                                                                                               *
 * Davide Stocco                                                               Enrico Bertolazzi *
 * University of Trento                                                     University of Trento *
 * e-mail: davide.stocco@unitn.it                             e-mail: enrico.bertolazzi@unitn.it *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
#pragma once
 
#ifndef SANDALS_EXPLICITEULER_HXX
#define SANDALS_EXPLICITEULER_HXX
 
namespace Sandals
{
  class ExplicitEulerTableau : public Tableau<1>
  {
  public:
    using Tableau<1>::Type;
    using Tableau<1>::Vector;
    using Tableau<1>::Matrix;

    ExplicitEulerTableau() {
      this->name  = "ExplicitEuler";
      this->type  = Type::ERK;
      this->order = 1;
      this->A << 0.0;
      this->b << 1.0;
      this->c << 0.0;
    }
  }; // class ExplicitEulerTableau

  template <Integer N, Integer M = 0>
  class ExplicitEuler : public RungeKutta<1, N, M>
  {
  public:
    using System = typename Implicit<N, M>::Pointer; 

    ExplicitEuler() : RungeKutta<1, N, M>(ExplicitEulerTableau()) {}

    ExplicitEuler(System t_system) : RungeKutta<1, N, M>(ExplicitEulerTableau(), t_system) {}
 
  }; // class ExplicitEuler
 
} // namespace Sandals
 
#endif // SANDALS_EXPLICITEULER_HXX