ceph/src/boost/libs/qvm/test/deduce_matrix_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_mat.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 R,int C,class Result>
  18 struct
  19 check
  20     {
  21     same_type<typename boost::qvm::deduce_mat2<A,B,R,C>::type,Result> a;
  22     same_type<typename boost::qvm::deduce_mat2<B,A,R,C>::type,Result> b;
  23     };
  24
  25 template <class T,int R,int C> struct m;
  26
  27 namespace
  28 boost
  29     {
  30     namespace
  31     qvm
  32         {
  33         template <class T,int R,int C>
  34         struct
  35         mat_traits< m<T,R,C> >
  36             {
  37             typedef T scalar_type;
  38             static int const rows=R;
  39             static int const cols=C;
  40             };
  41         }
  42     }
  43
  44 int
  45 main()
  46     {
  47     same_type< boost::qvm::deduce_mat< m<int,4,2> >::type, m<int,4,2> >();
  48     same_type< boost::qvm::deduce_mat< m<int,4,2>, 4, 4 >::type, boost::qvm::mat<int,4,4> >();
  49     check< m<int,4,2>, m<int,4,2>, 4, 2, m<int,4,2> >();
  50     check< m<int,4,2>, m<float,4,2>, 4, 4, boost::qvm::mat<float,4,4> >();
  51     }