FM / util

/usr/include/boost/geometry/util

Name	Size	Mode	Actions
add_const_if_c.hpp	1677	0644	edit dl rm
bare_type.hpp	1330	0644	edit dl rm
calculation_type.hpp	4873	0644	edit dl rm
closure_as_bool.hpp	1080	0644	edit dl rm
combine_if.hpp	2927	0644	edit dl rm
compress_variant.hpp	3098	0644	edit dl rm
condition.hpp	1346	0644	edit dl rm
coordinate_cast.hpp	1530	0644	edit dl rm
for_each_coordinate.hpp	2627	0644	edit dl rm
has_infinite_coordinate.hpp	1376	0644	edit dl rm
has_nan_coordinate.hpp	2375	0644	edit dl rm
has_non_finite_coordinate.hpp	1405	0644	edit dl rm
is_inverse_spheroidal_coordinates.hpp	1553	0644	edit dl rm
math.hpp	21972	0644	edit dl rm
normalize_spheroidal_box_coordinates.hpp	7317	0644	edit dl rm
normalize_spheroidal_coordinates.hpp	14416	0644	edit dl rm
order_as_direction.hpp	1211	0644	edit dl rm
parameter_type_of.hpp	2156	0644	edit dl rm
promote_floating_point.hpp	1356	0644	edit dl rm
promote_integral.hpp	9775	0644	edit dl rm
range.hpp	12445	0644	edit dl rm
rational.hpp	4580	0644	edit dl rm
select_calculation_type.hpp	2532	0644	edit dl rm
select_coordinate_type.hpp	2003	0644	edit dl rm
select_most_precise.hpp	5459	0644	edit dl rm
select_sequence_element.hpp	2052	0644	edit dl rm
series_expansion.hpp	25670	0644	edit dl rm
transform_variant.hpp	2735	0644	edit dl rm
tuples.hpp	8819	0644	edit dl rm

Edit: /usr/include/boost/geometry/util/combine_if.hpp (2927B)

// Boost.Geometry (aka GGL, Generic Geometry Library)

// This file was modified by Oracle on 2015, 2018.
// Modifications copyright (c) 2015-2018, Oracle and/or its affiliates.

// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_UTIL_COMBINE_IF_HPP
#define BOOST_GEOMETRY_UTIL_COMBINE_IF_HPP

#include <boost/mpl/bind.hpp>
#include <boost/mpl/fold.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/insert.hpp>
#include <boost/mpl/pair.hpp>
#include <boost/mpl/placeholders.hpp>
#include <boost/mpl/set.hpp>

namespace boost { namespace geometry
{

namespace util
{

/*!
    \brief Meta-function to generate all the combination of pairs of types
        from a given sequence Sequence except those that does not satisfy the
        predicate Pred
    \ingroup utility
    \par Example
    \code
        typedef boost::mpl::vector<boost::mpl::int_<0>, boost::mpl::int_<1> > types;
        typedef combine_if<types, types, always<true_> >::type combinations;
        typedef boost::mpl::vector<
            pair<boost::mpl::int_<1>, boost::mpl::int_<1> >,
            pair<boost::mpl::int_<1>, boost::mpl::int_<0> >,
            pair<boost::mpl::int_<0>, boost::mpl::int_<1> >,
            pair<boost::mpl::int_<0>, boost::mpl::int_<0> >        
        > result_types;
        
        BOOST_MPL_ASSERT(( boost::mpl::equal<combinations, result_types> ));
    \endcode
*/
template <typename Sequence1, typename Sequence2, typename Pred>
struct combine_if
{
    struct combine
    {
        template <typename Result, typename T>
        struct apply
        {
            typedef typename boost::mpl::fold<Sequence2, Result,
                boost::mpl::if_
                <
                    boost::mpl::bind
                        <
                            typename boost::mpl::lambda<Pred>::type,
                            T,
                            boost::mpl::_2
                        >,
                    boost::mpl::insert
                        <
                            boost::mpl::_1, boost::mpl::pair<T, boost::mpl::_2>
                        >,
                    boost::mpl::_1
                >
            >::type type;
        };
    };

typedef typename boost::mpl::fold
        <
            Sequence1, boost::mpl::set0<>, combine
        >::type type;
};

} // namespace util

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_UTIL_COMBINE_IF_HPP

cmd: