linear.h (Latest change: Author:Lakshman Anumolu <acrlakshman@yahoo.co.in>, 2019-06-25 17:58:32 -0500, [commit: 0bbc8db])

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// Copyright 2019 Lakshman Anumolu, Raunak Bardia.
//
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// modification, are permitted provided that the following conditions are
// met:
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// 1. Redistributions of source code must retain the above copyright notice,
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#pragma once

#include "gals/cpu/levelset.h"
#include "gals/utilities/array.h"
#include "gals/utilities/grid.h"
#include "gals/utilities/mat3.h"
#include "gals/utilities/vec3.h"

namespace GALS
{
namespace INTERPOLATION
{
template <typename T, typename T_GRID>
class Linear;

// Template specialized for 1D
template <typename T>
class Linear<T, GALS::CPU::Grid<T, 1>>
{
 public:
  using value_type = T;
  using T_GRID = GALS::CPU::Grid<T, 1>;

  Linear(){};

  ~Linear(){};

  T linearInterpolation(const GALS::CPU::Grid<typename GALS::CPU::Grid<T, 1>::value_type, T_GRID::dim> &grid,
                        const typename GALS::CPU::Grid<T, 1>::position_type &x_interp,
                        const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, T> &alpha);

  void compute(const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, typename GALS::CPU::Grid<T, 1>::position_type> &x_interp,
               const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, T> &alpha,
               GALS::CPU::Array<GALS::CPU::Grid<T, 1>, T> &alpha_interpolated);

  void operator()(
      const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, typename GALS::CPU::Grid<T, 1>::position_type> &x_interp,
      const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, T> &alpha,
      GALS::CPU::Array<GALS::CPU::Grid<T, 1>, T> &alpha_interpolated)
  {
    compute(x_interp, alpha, alpha_interpolated);
  }

  void compute(const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, typename GALS::CPU::Grid<T, 1>::position_type> &x_interp,
               CPU::Levelset<GALS::CPU::Grid<T, 1>, T> &levelset);

  void operator()(
      const GALS::CPU::Array<GALS::CPU::Grid<T, 1>, typename GALS::CPU::Grid<T, 1>::position_type> &x_interp,
      CPU::Levelset<GALS::CPU::Grid<T, 1>, T> &levelset)
  {
    compute(x_interp, levelset);
  }
};

}  // namespace INTERPOLATION
}  // namespace GALS