SSPRK22star.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_SSPRK22STAR_HXX
#define SANDALS_SSPRK22STAR_HXX
 
namespace Sandals
{
  class SSPRK22starTableau : public Tableau<2>
  {
  public:
    using Tableau<2>::Type;
    using Tableau<2>::Vector;
    using Tableau<2>::Matrix;

    SSPRK22starTableau() {
      this->name  = "SSPRK22star";
      this->type  = Type::ERK;
      this->order = 2;
      this->A << 0.0, 0.0,
                 0.822875655532364, 0.0;
      this->b << 0.392374781489287, 0.607625218510713;
      this->c << 0.0, 0.822875655532364;
    }
  }; // class SSPRK22starTableau

  template <Integer N, Integer M = 0>
  class SSPRK22star : public RungeKutta<2, N, M>
  {
  public:
    using System = typename Implicit<N, M>::Pointer; 

    SSPRK22star() : RungeKutta<2, N, M>(SSPRK22starTableau()) {}

    SSPRK22star(System t_system) : RungeKutta<2, N, M>(SSPRK22starTableau(), t_system) {}
 
  }; // class SSPRK22star
 
} // namespace Sandals
 
#endif // SANDALS_SSPRK22STAR_HXX