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Use AdditionalData and fix headers inclusion
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,105 @@ | ||
| // --------------------------------------------------------------------- | ||
| // | ||
| // Copyright (C) 2022 by the deal.II authors | ||
| // | ||
| // This file is part of the deal.II library. | ||
| // | ||
| // The deal.II library is free software; you can use it, redistribute | ||
| // it, and/or modify it under the terms of the GNU Lesser General | ||
| // Public License as published by the Free Software Foundation; either | ||
| // version 2.1 of the License, or (at your option) any later version. | ||
| // The full text of the license can be found in the file LICENSE.md at | ||
| // the top level directory of deal.II. | ||
| // | ||
| // --------------------------------------------------------------------- | ||
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| #ifndef dealii_cgal_point_conversion_h | ||
| #define dealii_cgal_point_conversion_h | ||
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| #include <deal.II/base/config.h> | ||
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| #include <deal.II/base/point.h> | ||
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| #ifdef DEAL_II_WITH_CGAL | ||
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| # include <CGAL/Cartesian.h> | ||
| # include <CGAL/Exact_predicates_exact_constructions_kernel.h> | ||
| # include <CGAL/Exact_predicates_inexact_constructions_kernel.h> | ||
| # include <CGAL/Simple_cartesian.h> | ||
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| DEAL_II_NAMESPACE_OPEN | ||
| namespace CGALWrappers | ||
| { | ||
| /** | ||
| * Convert from a deal.II Point to any compatible CGAL point. | ||
| * | ||
| * @tparam CGALPointType Any of the CGAL point types | ||
| * @tparam dim Dimension of the point | ||
| * @param [in] p An input deal.II Point<dim> | ||
| * @return CGALPointType A CGAL point | ||
| */ | ||
| template <typename CGALPointType, int dim> | ||
| inline CGALPointType | ||
| dealii_point_to_cgal_point(const dealii::Point<dim> &p); | ||
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| /** | ||
| * Convert from various CGAL point types to deal.II Point. | ||
| * | ||
| * @tparam dim Dimension of the point | ||
| * @tparam CGALPointType Any of the CGAL point types | ||
| * @param p An input CGAL point type | ||
| * @return dealii::Point<dim> The corresponding deal.II point. | ||
| */ | ||
| template <int dim, typename CGALPointType> | ||
| inline dealii::Point<dim> | ||
| cgal_point_to_dealii_point(const CGALPointType &p); | ||
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| # ifndef DOXYGEN | ||
| // Template implementations | ||
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| template <typename CGALPointType, int dim> | ||
| inline CGALPointType | ||
| dealii_point_to_cgal_point(const dealii::Point<dim> &p) | ||
| { | ||
| constexpr int cdim = CGALPointType::Ambient_dimension::value; | ||
| static_assert(dim <= cdim, "Only dim <= cdim supported"); | ||
| if constexpr (cdim == 1) | ||
| return CGALPointType(p[0]); | ||
| else if constexpr (cdim == 2) | ||
| return CGALPointType(p[0], dim > 1 ? p[1] : 0); | ||
| else if constexpr (cdim == 3) | ||
| return CGALPointType(p[0], dim > 1 ? p[1] : 0, dim > 2 ? p[2] : 0); | ||
| else | ||
| Assert(false, dealii::ExcNotImplemented()); | ||
| return CGALPointType(); | ||
| } | ||
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| template <int dim, typename CGALPointType> | ||
| inline dealii::Point<dim> | ||
| cgal_point_to_dealii_point(const CGALPointType &p) | ||
| { | ||
| constexpr int cdim = CGALPointType::Ambient_dimension::value; | ||
| if constexpr (dim == 1) | ||
| return dealii::Point<dim>(CGAL::to_double(p.x())); | ||
| else if constexpr (dim == 2) | ||
| return dealii::Point<dim>(CGAL::to_double(p.x()), | ||
| cdim > 1 ? CGAL::to_double(p.y()) : 0); | ||
| else if constexpr (dim == 3) | ||
| return dealii::Point<dim>(CGAL::to_double(p.x()), | ||
| cdim > 1 ? CGAL::to_double(p.y()) : 0, | ||
| cdim > 2 ? CGAL::to_double(p.z()) : 0); | ||
| else | ||
| Assert(false, dealii::ExcNotImplemented()); | ||
| } | ||
| } // namespace CGALWrappers | ||
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| # endif | ||
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| DEAL_II_NAMESPACE_CLOSE | ||
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| #endif | ||
| #endif |
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