ceph/src/boost/libs/geometry/test/algorithms/length/length_sph.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2016 Oracle and/or its affiliates.
   5 // Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
   6
   7 // Use, modification and distribution is subject to the Boost Software License,
   8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #include <algorithms/test_length.hpp>
  12 #include <algorithms/length/linestring_cases.hpp>
  13
  14 #include <boost/geometry/geometries/geometries.hpp>
  15 #include <boost/geometry/geometries/point_xy.hpp>
  16 #include <boost/geometry/geometries/adapted/std_pair_as_segment.hpp>
  17
  18 #include <test_geometries/all_custom_linestring.hpp>
  19 #include <test_geometries/wrapped_boost_array.hpp>
  20
  21 template <typename P>
  22 void test_all_default() //test the default strategy
  23 {
  24     double const pi = boost::math::constants::pi<double>();
  25
  26     for(std::size_t i = 0; i < 2; ++i)
  27     {
  28         test_geometry<bg::model::linestring<P> >(Ls_data_sph[i], 2 * pi);
  29     }
  30     // Geometries with length zero
  31     test_geometry<P>("POINT(0 0)", 0);
  32     test_geometry<bg::model::polygon<P> >("POLYGON((0 0,0 1,1 1,1 0,0 0))", 0);
  33 }
  34
  35 template <typename P>
  36 void test_all_haversine(double const mean_radius)
  37 {
  38     double const pi = boost::math::constants::pi<double>();
  39     bg::strategy::distance::haversine<float> haversine_strategy(mean_radius);
  40
  41     for(std::size_t i = 0; i < 2; ++i)
  42     {
  43         test_geometry<bg::model::linestring<P> >(Ls_data_sph[i],
  44                                                  2 * pi * mean_radius,
  45                                                  haversine_strategy);
  46     }
  47     // Geometries with length zero
  48     test_geometry<P>("POINT(0 0)", 0, haversine_strategy);
  49     test_geometry<bg::model::polygon<P> >("POLYGON((0 0,0 1,1 1,1 0,0 0))",
  50                                           0, haversine_strategy);
  51 }
  52
  53 template <typename P>
  54 void test_empty_input()
  55 {
  56     test_empty_input(bg::model::linestring<P>());
  57     test_empty_input(bg::model::multi_linestring<P>());
  58 }
  59
  60 int test_main(int, char* [])
  61 {
  62     //Earth radius estimation in Km
  63     //(see https://en.wikipedia.org/wiki/Earth_radius)
  64     double const mean_radius = 6371.0;
  65
  66     test_all_default<bg::model::d2::point_xy<int,
  67             bg::cs::spherical_equatorial<bg::degree> > >();
  68     test_all_default<bg::model::d2::point_xy<float,
  69             bg::cs::spherical_equatorial<bg::degree> > >();
  70     test_all_default<bg::model::d2::point_xy<double,
  71             bg::cs::spherical_equatorial<bg::degree> > >();
  72
  73     test_all_haversine<bg::model::d2::point_xy<int,
  74         bg::cs::spherical_equatorial<bg::degree> > >(mean_radius);
  75     test_all_haversine<bg::model::d2::point_xy<float,
  76         bg::cs::spherical_equatorial<bg::degree> > >(mean_radius);
  77     test_all_haversine<bg::model::d2::point_xy<double,
  78         bg::cs::spherical_equatorial<bg::degree> > >(mean_radius);
  79
  80 #if defined(HAVE_TTMATH)
  81     test_all<bg::model::d2::point_xy<ttmath_big> >();
  82 #endif
  83
  84     //test_empty_input<bg::model::d2::point_xy<int> >();
  85
  86     return 0;
  87 }