Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/geometry/algorithms/difference.hpp @ 16:2665513ce2d3
Add boost headers
author | Chris Cannam |
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date | Tue, 05 Aug 2014 11:11:38 +0100 |
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children | c530137014c0 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/generic/include/boost/geometry/algorithms/difference.hpp Tue Aug 05 11:11:38 2014 +0100 @@ -0,0 +1,152 @@ +// Boost.Geometry (aka GGL, Generic Geometry Library) + +// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. + +// Use, modification and distribution is subject to the Boost Software License, +// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#ifndef BOOST_GEOMETRY_ALGORITHMS_DIFFERENCE_HPP +#define BOOST_GEOMETRY_ALGORITHMS_DIFFERENCE_HPP + +#include <algorithm> + +#include <boost/geometry/algorithms/detail/overlay/intersection_insert.hpp> + +namespace boost { namespace geometry +{ + +#ifndef DOXYGEN_NO_DETAIL +namespace detail { namespace difference +{ + +/*! +\brief_calc2{difference} \brief_strategy +\ingroup difference +\details \details_calc2{difference_insert, spatial set theoretic difference} + \brief_strategy. \details_inserter{difference} +\tparam GeometryOut output geometry type, must be specified +\tparam Geometry1 \tparam_geometry +\tparam Geometry2 \tparam_geometry +\tparam OutputIterator output iterator +\tparam Strategy \tparam_strategy_overlay +\param geometry1 \param_geometry +\param geometry2 \param_geometry +\param out \param_out{difference} +\param strategy \param_strategy{difference} +\return \return_out + +\qbk{distinguish,with strategy} +*/ +template +< + typename GeometryOut, + typename Geometry1, + typename Geometry2, + typename OutputIterator, + typename Strategy +> +inline OutputIterator difference_insert(Geometry1 const& geometry1, + Geometry2 const& geometry2, OutputIterator out, + Strategy const& strategy) +{ + concept::check<Geometry1 const>(); + concept::check<Geometry2 const>(); + concept::check<GeometryOut>(); + + return geometry::dispatch::intersection_insert + < + Geometry1, Geometry2, + GeometryOut, + overlay_difference, + geometry::detail::overlay::do_reverse<geometry::point_order<Geometry1>::value>::value, + geometry::detail::overlay::do_reverse<geometry::point_order<Geometry2>::value, true>::value + >::apply(geometry1, geometry2, out, strategy); +} + +/*! +\brief_calc2{difference} +\ingroup difference +\details \details_calc2{difference_insert, spatial set theoretic difference}. + \details_insert{difference} +\tparam GeometryOut output geometry type, must be specified +\tparam Geometry1 \tparam_geometry +\tparam Geometry2 \tparam_geometry +\tparam OutputIterator output iterator +\param geometry1 \param_geometry +\param geometry2 \param_geometry +\param out \param_out{difference} +\return \return_out + +\qbk{[include reference/algorithms/difference_insert.qbk]} +*/ +template +< + typename GeometryOut, + typename Geometry1, + typename Geometry2, + typename OutputIterator +> +inline OutputIterator difference_insert(Geometry1 const& geometry1, + Geometry2 const& geometry2, OutputIterator out) +{ + concept::check<Geometry1 const>(); + concept::check<Geometry2 const>(); + concept::check<GeometryOut>(); + + typedef strategy_intersection + < + typename cs_tag<GeometryOut>::type, + Geometry1, + Geometry2, + typename geometry::point_type<GeometryOut>::type + > strategy; + + return difference_insert<GeometryOut>(geometry1, geometry2, + out, strategy()); +} + + +}} // namespace detail::difference +#endif // DOXYGEN_NO_DETAIL + + + +/*! +\brief_calc2{difference} +\ingroup difference +\details \details_calc2{difference, spatial set theoretic difference}. +\tparam Geometry1 \tparam_geometry +\tparam Geometry2 \tparam_geometry +\tparam Collection \tparam_output_collection +\param geometry1 \param_geometry +\param geometry2 \param_geometry +\param output_collection the output collection + +\qbk{[include reference/algorithms/difference.qbk]} +*/ +template +< + typename Geometry1, + typename Geometry2, + typename Collection +> +inline void difference(Geometry1 const& geometry1, + Geometry2 const& geometry2, Collection& output_collection) +{ + concept::check<Geometry1 const>(); + concept::check<Geometry2 const>(); + + typedef typename boost::range_value<Collection>::type geometry_out; + concept::check<geometry_out>(); + + detail::difference::difference_insert<geometry_out>( + geometry1, geometry2, + std::back_inserter(output_collection)); +} + + +}} // namespace boost::geometry + + +#endif // BOOST_GEOMETRY_ALGORITHMS_DIFFERENCE_HPP