ceph/src/boost/libs/qvm/test/swizzle2_test4.cpp

   1 // Copyright 2008-2022 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 #ifdef BOOST_QVM_TEST_SINGLE_HEADER
   7 #   include BOOST_QVM_TEST_SINGLE_HEADER
   8 #   ifdef BOOST_QVM_TEST_SINGLE_HEADER_SWIZZLE
   9 #       include BOOST_QVM_TEST_SINGLE_HEADER_SWIZZLE
  10 #   endif
  11 #else
  12 #   include <boost/qvm/vec_traits.hpp>
  13 #   include <boost/qvm/swizzle2.hpp>
  14 #endif
  15
  16 #include <boost/core/lightweight_test.hpp>
  17
  18 template <int D> struct my_vec { };
  19 int called=0;
  20
  21 namespace
  22 boost
  23     {
  24     namespace
  25     qvm
  26         {
  27         void
  28         ZZ(...)
  29             {
  30             BOOST_TEST(0);
  31             }
  32         void
  33         XW(...)
  34             {
  35             ++called;
  36             }
  37         template <int D>
  38         struct
  39         vec_traits< my_vec<D> >
  40             {
  41             typedef int scalar_type;
  42             static int const dim=D;
  43             template <int I> static int read_element( my_vec<D> const & );
  44             template <int I> static int & write_element( my_vec<D> & );
  45             };
  46         }
  47     }
  48
  49 int
  50 main()
  51     {
  52     using namespace boost::qvm;
  53     ZZ(my_vec<3>());
  54     XW(my_vec<3>());
  55     BOOST_TEST(called==1);
  56     return boost::report_errors();
  57     }