ceph/src/boost/libs/qvm/test/deduce_vector_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/deduce_vec.hpp>
   7
   8 template <class T,class U>
   9 struct same_type;
  10
  11 template <class T>
  12 struct
  13 same_type<T,T>
  14     {
  15     };
  16
  17 template <class A,class B,int D,class Result>
  18 struct
  19 check
  20     {
  21     same_type<typename boost::qvm::deduce_vec2<A,B,D>::type,Result> a;
  22     same_type<typename boost::qvm::deduce_vec2<B,A,D>::type,Result> b;
  23     };
  24
  25 template <class T,int D> struct v;
  26
  27 namespace
  28 boost
  29     {
  30     namespace
  31     qvm
  32         {
  33         template <class T,int D>
  34         struct
  35         vec_traits< v<T,D> >
  36             {
  37             typedef T scalar_type;
  38             static int const dim=D;
  39             };
  40         }
  41     }
  42
  43 int
  44 main()
  45     {
  46     same_type< boost::qvm::deduce_vec< v<int,3> >::type, v<int,3> >();
  47     same_type< boost::qvm::deduce_vec< v<int,3>, 4 >::type, boost::qvm::vec<int,4> >();
  48     check< v<int,3>, v<int,3>, 3, v<int,3> >();
  49     check< v<int,3>, v<float,3>, 4, boost::qvm::vec<float,4> >();
  50     }