ceph/src/boost/libs/qvm/test/zero_vec_test.cpp

   1 //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
   2
   3 //Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/qvm/vec_operations.hpp>
   7 #include <boost/qvm/vec.hpp>
   8 #include "test_qvm_vector.hpp"
   9
  10 namespace
  11     {
  12     template <class T,class U>
  13     struct same_type;
  14
  15     template <class T>
  16     struct
  17     same_type<T,T>
  18         {
  19         };
  20
  21     template <class T,class U>
  22     void
  23     check_deduction( T const &, U const & )
  24         {
  25         same_type<T,typename boost::qvm::deduce_vec<U>::type>();
  26         }
  27
  28     template <int Dim>
  29     void
  30     test()
  31         {
  32         using namespace boost::qvm;
  33         test_qvm::vector<V1,Dim> v1=zero_vec<float,Dim>();
  34         for( int i=0; i!=Dim; ++i )
  35                 BOOST_TEST(!v1.a[i]);
  36         test_qvm::vector<V2,Dim> v2(42,1);
  37         set_zero(v2);
  38         for( int i=0; i!=Dim; ++i )
  39                 BOOST_TEST(!v2.a[i]);
  40         check_deduction(vec<float,Dim>(),zero_vec<float,Dim>());
  41         check_deduction(vec<int,Dim>(),zero_vec<int,Dim>());
  42         }
  43     }
  44
  45 int
  46 main()
  47     {
  48     test<2>();
  49     test<3>();
  50     test<4>();
  51     test<5>();
  52     return boost::report_errors();
  53     }