ceph/src/boost/libs/geometry/test/util/for_each_coordinate.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   6 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   7
   8 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   9 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  10
  11 // Use, modification and distribution is subject to the Boost Software License,
  12 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  13 // http://www.boost.org/LICENSE_1_0.txt)
  14
  15 #include <sstream>
  16
  17 #include <geometry_test_common.hpp>
  18
  19
  20 #include <boost/geometry/util/for_each_coordinate.hpp>
  21
  22 #include <boost/geometry/algorithms/assign.hpp>
  23
  24
  25 #include <boost/geometry/geometries/point.hpp>
  26 #include <boost/geometry/geometries/adapted/c_array.hpp>
  27 #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
  28 #include <test_common/test_point.hpp>
  29
  30 BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
  31 BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
  32
  33
  34 struct test_operation
  35 {
  36     template <typename P, int I>
  37     static void apply(P& p)
  38     {
  39         bg::set<I>(p, bg::get<I>(p) * 10);
  40     }
  41 };
  42
  43 struct get_operation
  44 {
  45     std::string s;
  46
  47     template <typename P, int I>
  48     inline void apply(P const& p)
  49     {
  50         std::ostringstream out;
  51         out << bg::get<I>(p);
  52         s += out.str();
  53     }
  54 };
  55
  56
  57 template <typename P>
  58 void test_all()
  59 {
  60     P p;
  61     bg::assign_values(p, 1, 2, 3);
  62     bg::for_each_coordinate(p, test_operation());
  63     BOOST_CHECK(bg::get<0>(p) == 10);
  64     BOOST_CHECK(bg::get<1>(p) == 20);
  65     BOOST_CHECK(bg::get<2>(p) == 30);
  66
  67     P const& cp = p;
  68     get_operation op;
  69     op = bg::for_each_coordinate(cp, op);
  70     BOOST_CHECK(op.s == std::string("102030"));
  71 }
  72
  73 int test_main(int, char* [])
  74 {
  75     test_all<int[3]>();
  76     test_all<float[3]>();
  77     test_all<double[3]>();
  78     test_all<test::test_point>();
  79     test_all<bg::model::point<int, 3, bg::cs::cartesian> >();
  80     test_all<bg::model::point<float, 3, bg::cs::cartesian> >();
  81     test_all<bg::model::point<double, 3, bg::cs::cartesian> >();
  82
  83     return 0;
  84 }