comparison DEPENDENCIES/generic/include/boost/geometry/policies/relate/tupled.hpp @ 16:2665513ce2d3

Add boost headers

+// 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_GEOMETRY_POLICIES_RELATE_TUPLED_HPP
+#define BOOST_GEOMETRY_GEOMETRY_POLICIES_RELATE_TUPLED_HPP
+
+
+#include <string>
+
+#include <boost/tuple/tuple.hpp>
+#include <boost/geometry/strategies/side_info.hpp>
+#include <boost/geometry/util/select_calculation_type.hpp>
+#include <boost/geometry/util/select_most_precise.hpp>
+
+namespace boost { namespace geometry
+{
+
+namespace policies { namespace relate
+{
+
+
+// "tupled" to return intersection results together.
+// Now with two, with some meta-programming and derivations it can also be three (or more)
+template <typename Policy1, typename Policy2, typename CalculationType = void>
+struct segments_tupled
+{
+    typedef boost::tuple
+        <
+            typename Policy1::return_type,
+            typename Policy2::return_type
+        > return_type;
+
+    // Take segments of first policy, they should be equal
+    typedef typename Policy1::segment_type1 segment_type1;
+    typedef typename Policy1::segment_type2 segment_type2;
+
+    typedef typename select_calculation_type
+        <
+            segment_type1,
+            segment_type2,
+            CalculationType
+        >::type coordinate_type;
+
+    // Get the same type, but at least a double
+    typedef typename select_most_precise<coordinate_type, double>::type rtype;
+
+    template <typename R>
+    static inline return_type segments_intersect(side_info const& sides,
+                    R const& r,
+                    coordinate_type const& dx1, coordinate_type const& dy1,
+                    coordinate_type const& dx2, coordinate_type const& dy2,
+                    segment_type1 const& s1, segment_type2 const& s2)
+    {
+        return boost::make_tuple
+            (
+                Policy1::segments_intersect(sides, r,
+                    dx1, dy1, dx2, dy2, s1, s2),
+                Policy2::segments_intersect(sides, r,
+                    dx1, dy1, dx2, dy2, s1, s2)
+            );
+    }
+
+    static inline return_type collinear_touch(coordinate_type const& x,
+                coordinate_type const& y, int arrival_a, int arrival_b)
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_touch(x, y, arrival_a, arrival_b),
+                Policy2::collinear_touch(x, y, arrival_a, arrival_b)
+            );
+    }
+
+    template <typename S>
+    static inline return_type collinear_interior_boundary_intersect(S const& segment,
+                bool a_within_b,
+                int arrival_a, int arrival_b, bool opposite)
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_interior_boundary_intersect(segment, a_within_b, arrival_a, arrival_b, opposite),
+                Policy2::collinear_interior_boundary_intersect(segment, a_within_b, arrival_a, arrival_b, opposite)
+            );
+    }
+
+    static inline return_type collinear_a_in_b(segment_type1 const& segment,
+                bool opposite)
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_a_in_b(segment, opposite),
+                Policy2::collinear_a_in_b(segment, opposite)
+            );
+    }
+    static inline return_type collinear_b_in_a(segment_type2 const& segment,
+                    bool opposite)
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_b_in_a(segment, opposite),
+                Policy2::collinear_b_in_a(segment, opposite)
+            );
+    }
+
+
+    static inline return_type collinear_overlaps(
+                    coordinate_type const& x1, coordinate_type const& y1,
+                    coordinate_type const& x2, coordinate_type const& y2,
+                    int arrival_a, int arrival_b, bool opposite)
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_overlaps(x1, y1, x2, y2, arrival_a, arrival_b, opposite),
+                Policy2::collinear_overlaps(x1, y1, x2, y2, arrival_a, arrival_b, opposite)
+            );
+    }
+
+    static inline return_type segment_equal(segment_type1 const& s,
+                bool opposite)
+    {
+        return boost::make_tuple
+            (
+                Policy1::segment_equal(s, opposite),
+                Policy2::segment_equal(s, opposite)
+            );
+    }
+
+    static inline return_type degenerate(segment_type1 const& segment,
+                bool a_degenerate)
+    {
+        return boost::make_tuple
+            (
+                Policy1::degenerate(segment, a_degenerate),
+                Policy2::degenerate(segment, a_degenerate)
+            );
+    }
+
+    static inline return_type disjoint()
+    {
+        return boost::make_tuple
+            (
+                Policy1::disjoint(),
+                Policy2::disjoint()
+            );
+    }
+
+    static inline return_type error(std::string const& msg)
+    {
+        return boost::make_tuple
+            (
+                Policy1::error(msg),
+                Policy2::error(msg)
+            );
+    }
+
+    static inline return_type collinear_disjoint()
+    {
+        return boost::make_tuple
+            (
+                Policy1::collinear_disjoint(),
+                Policy2::collinear_disjoint()
+            );
+    }
+
+};
+
+}} // namespace policies::relate
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_GEOMETRY_POLICIES_RELATE_TUPLED_HPP