rangeproxy.hh

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#pragma once
 
#include <cstddef>
 
namespace Dune::Vtk::Impl {
 
template <class Function, class Domain>
struct RangeProxy
{
  using size_type = std::size_t;
  using value_type = double;
  using field_type = double;
 
  size_type size () const
  {
    return f_->components().size();
  }
 
  value_type operator[] (size_type i) const
  {
    return f_->evaluate(i, x_);
  }
 
  Function const* f_;
  Domain x_;
};
 
} // end namespace Dune::Vtk::Impl