ceph/src/boost/libs/geometry/test/geometries/boost_fusion.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright Akira Takahashi 2011
   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 <geometry_test_common.hpp>
  12
  13 #include <boost/fusion/include/adapt_struct_named.hpp>
  14
  15 #include <boost/geometry/geometry.hpp>
  16 #include <boost/geometry/geometries/adapted/boost_fusion.hpp>
  17 #include <boost/geometry/geometries/adapted/c_array.hpp>
  18 #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
  19 #include <iostream>
  20
  21 BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
  22 BOOST_GEOMETRY_REGISTER_BOOST_FUSION_CS(cs::cartesian)
  23 BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
  24
  25
  26 struct for_fusion_2d
  27 {
  28     float x,y;
  29 };
  30 struct for_fusion_3d
  31 {
  32     double x,y,z;
  33 };
  34
  35 BOOST_FUSION_ADAPT_STRUCT(for_fusion_2d, (float, x) (float, y))
  36 BOOST_FUSION_ADAPT_STRUCT(for_fusion_3d, (double, x) (double, y) (double, z))
  37
  38
  39 void test_2d()
  40 {
  41     bg::model::point<double, 2, bg::cs::cartesian> p1(1, 2);
  42     double p2[2] = {3, 4};
  43     boost::tuple<double, double> p3(5,6);
  44
  45     for_fusion_2d pf = {7, 8};
  46
  47     BOOST_CHECK_CLOSE(bg::distance(p1, pf), 8.4852813742385695, 0.01);
  48     BOOST_CHECK_CLOSE(bg::distance(p2, pf), 5.6568542494923806, 0.01);
  49     BOOST_CHECK_CLOSE(bg::distance(p3, pf), 2.82843, 0.01);
  50 }
  51
  52 void test_3d()
  53 {
  54     bg::model::point<double, 3, bg::cs::cartesian> p1(1, 2, 3);
  55     double p2[3] = {4, 5, 6};
  56     boost::tuple<double, double, double> p3(7, 8, 9);
  57
  58     for_fusion_3d pf = {10, 11, 12};
  59
  60     BOOST_CHECK_CLOSE(bg::distance(p1, pf), 15.58845726811, 0.01);
  61     BOOST_CHECK_CLOSE(bg::distance(p2, pf), 10.392304845413, 0.01);
  62     BOOST_CHECK_CLOSE(bg::distance(p3, pf), 5.196152, 0.01);
  63 }
  64
  65 int test_main(int, char* [])
  66 {
  67     test_2d();
  68     test_3d();
  69     return 0;
  70 }
  71