ceph/src/boost/libs/geometry/test/arithmetic/dot_product.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 // This file was modified by Oracle on 2020.
   9 // Modifications copyright (c) 2020, Oracle and/or its affiliates.
  10 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  11
  12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  14
  15 // Use, modification and distribution is subject to the Boost Software License,
  16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  17 // http://www.boost.org/LICENSE_1_0.txt)
  18
  19
  20 #include <geometry_test_common.hpp>
  21
  22 #include <boost/geometry/arithmetic/dot_product.hpp>
  23
  24
  25 #include <boost/geometry/algorithms/assign.hpp>
  26
  27 #include <boost/geometry/geometries/point.hpp>
  28 #include <boost/geometry/geometries/adapted/c_array.hpp>
  29 #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
  30 #include <test_common/test_point.hpp>
  31
  32 BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian)
  33 BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS(cs::cartesian)
  34
  35
  36 template <typename P>
  37 void test_all()
  38 {
  39     P p1;
  40     bg::assign_values(p1, 1, 2, 3);
  41     P p2;
  42     bg::assign_values(p2, 4, 5, 6);
  43     BOOST_CHECK(bg::dot_product(p1, p2) == 1*4 + 2*5 + 3*6);
  44 }
  45
  46 template <typename P>
  47 void test_constexpr()
  48 {
  49     constexpr P p1 = P(1, 2, 3);
  50     constexpr P p2 = P(4, 5, 6);
  51     constexpr auto d = bg::dot_product(p1, p2);
  52     BOOST_CHECK(d == 1 * 4 + 2 * 5 + 3 * 6);
  53 }
  54
  55 int test_main(int, char* [])
  56 {
  57     test_all<int[3]>();
  58     test_all<float[3]>();
  59     test_all<double[3]>();
  60     test_all<test::test_point>();
  61     test_all<bg::model::point<int, 3, bg::cs::cartesian> >();
  62     test_all<bg::model::point<float, 3, bg::cs::cartesian> >();
  63     test_all<bg::model::point<double, 3, bg::cs::cartesian> >();
  64
  65     test_constexpr<bg::model::point<double, 3, bg::cs::cartesian> >();
  66
  67     return 0;
  68 }