ceph/src/boost/libs/geometry/include/boost/geometry/algorithms/detail/ring_identifier.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // Use, modification and distribution is subject to the Boost Software License,
   6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
  10 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
  11
  12
  13 #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
  14 #include <iostream>
  15 #endif
  16
  17
  18 #include <boost/geometry/algorithms/detail/signed_size_type.hpp>
  19
  20
  21 namespace boost { namespace geometry
  22 {
  23
  24
  25 // Ring Identifier. It is currently: source,multi,ring
  26 struct ring_identifier
  27 {
  28
  29     inline ring_identifier()
  30         : source_index(-1)
  31         , multi_index(-1)
  32         , ring_index(-1)
  33     {}
  34
  35     inline ring_identifier(signed_size_type src,
  36                            signed_size_type mul,
  37                            signed_size_type rin)
  38         : source_index(src)
  39         , multi_index(mul)
  40         , ring_index(rin)
  41     {}
  42
  43     inline bool operator<(ring_identifier const& other) const
  44     {
  45         return source_index != other.source_index ? source_index < other.source_index
  46             : multi_index !=other.multi_index ? multi_index < other.multi_index
  47             : ring_index < other.ring_index
  48             ;
  49     }
  50
  51     inline bool operator==(ring_identifier const& other) const
  52     {
  53         return source_index == other.source_index
  54             && ring_index == other.ring_index
  55             && multi_index == other.multi_index
  56             ;
  57     }
  58
  59     inline bool operator!=(ring_identifier const& other) const
  60     {
  61         return ! operator==(other);
  62     }
  63
  64 #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
  65     friend std::ostream& operator<<(std::ostream &os, ring_identifier const& ring_id)
  66     {
  67         os << "(s:" << ring_id.source_index;
  68         if (ring_id.ring_index >= 0) os << ", r:" << ring_id.ring_index;
  69         if (ring_id.multi_index >= 0) os << ", m:" << ring_id.multi_index;
  70         os << ")";
  71         return os;
  72     }
  73 #endif
  74
  75
  76     signed_size_type source_index;
  77     signed_size_type multi_index;
  78     signed_size_type ring_index;
  79 };
  80
  81
  82 }} // namespace boost::geometry
  83
  84
  85 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP