ceph/src/boost/libs/compute/include/boost/compute/type_traits/is_vector_type.hpp

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
   3 //
   4 // Distributed under the Boost Software License, Version 1.0
   5 // See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt
   7 //
   8 // See http://boostorg.github.com/compute for more information.
   9 //---------------------------------------------------------------------------//
  10
  11 #ifndef BOOST_COMPUTE_TYPE_TRAITS_IS_VECTOR_TYPE_HPP
  12 #define BOOST_COMPUTE_TYPE_TRAITS_IS_VECTOR_TYPE_HPP
  13
  14 #include <boost/mpl/bool.hpp>
  15
  16 #include <boost/compute/type_traits/vector_size.hpp>
  17
  18 namespace boost {
  19 namespace compute {
  20
  21 /// Meta-function returning \c true if \p T is a vector type.
  22 ///
  23 /// For example,
  24 /// \code
  25 /// is_vector_type<int>::value == false
  26 /// is_vector_type<float4_>::value == true
  27 /// \endcode
  28 ///
  29 /// \see make_vector_type, vector_size
  30 template<class T>
  31 struct is_vector_type : boost::mpl::bool_<vector_size<T>::value != 1>
  32 {
  33 };
  34
  35 } // end compute namespace
  36 } // end boost namespace
  37
  38 #endif // BOOST_COMPUTE_TYPE_TRAITS_IS_VECTOR_TYPE_HPP