levelset.h (Latest change: Author:Lakshman Anumolu <acrlakshman@yahoo.co.in>, 2019-07-21 16:12:22 -0500, [commit: d791c50])

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// Copyright 2019 Lakshman Anumolu, Raunak Bardia.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#pragma once

#include <string>
#include <vector>

#include "gals/utilities/array.h"
#include "gals/utilities/grid.h"
#include "gals/utilities/vec_n.h"

namespace GALS
{
namespace CPU
{
template <class T_VECTOR>
struct InterpolatedFields {
  using T = typename T_VECTOR::value_type;

  T phi_interpolated;
  T_VECTOR psi_interpolated;

  InterpolatedFields()
  {
    phi_interpolated = T();
    psi_interpolated = T_VECTOR();
  };

  ~InterpolatedFields(){};
};

template <typename T_GRID, typename T = double>
class Levelset
{
 public:
  Levelset(const T_GRID& grid);

  Levelset() = delete;

  ~Levelset();

  const T_GRID& grid() const { return m_grid; }

  Array<T_GRID, T>& phi() { return m_phi; }

  const Array<T_GRID, T>& phi() const { return m_phi; }

  Array<T_GRID, Vec3<T>>& psi() { return m_psi; }

  const Array<T_GRID, Vec3<T>>& psi() const { return m_psi; }

  Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>>& phiMixedDerivatives() { return m_phi_mixed_derivatives; }

  const Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>>& phiMixedDerivatives() const
  {
    return m_phi_mixed_derivatives;
  }

  Array<T_GRID, T>& phiPrev() { return m_phi_prev; }

  const Array<T_GRID, T>& phiPrev() const { return m_phi_prev; }

  Array<T_GRID, Vec3<T>>& psiPrev() { return m_psi_prev; }

  const Array<T_GRID, Vec3<T>>& psiPrev() const { return m_psi_prev; }

  Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>>& phiMixedDerivativesPrev()
  {
    return m_phi_mixed_derivatives_prev;
  }

  const Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>>& phiMixedDerivativesPrev() const
  {
    return m_phi_mixed_derivatives_prev;
  }

  Array<T_GRID, T>& phiInterpPrev() { return m_phi_interp_prev; }

  const Array<T_GRID, T>& phiInterpPrev() const { return m_phi_interp_prev; }

  Array<T_GRID, Vec3<T>>& psiInterpPrev() { return m_psi_interp_prev; }

  const Array<T_GRID, Vec3<T>>& psiInterpPrev() const { return m_psi_interp_prev; }

  void print();

 private:
  const T_GRID& m_grid;
  Array<T_GRID, T> m_phi;                                                         
  Array<T_GRID, Vec3<T>> m_psi;                                                   
  Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>> m_phi_mixed_derivatives;  
  Array<T_GRID, T> m_phi_prev;        
  Array<T_GRID, Vec3<T>> m_psi_prev;  
  Array<T_GRID, VecN<T, T_GRID::num_mixed_derivatives>>
      m_phi_mixed_derivatives_prev;          
  Array<T_GRID, T> m_phi_interp_prev;        
  Array<T_GRID, Vec3<T>> m_psi_interp_prev;  
};

}  // namespace CPU
}  // namespace GALS