ceph/src/boost/boost/compute/types/size_t.hpp

   1 //---------------------------------------------------------------------------//
   2 // Copyright (c) 2017 Denis Demidov <dennis.demidov@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 // size_t and ptrdiff_t need special treatment on OSX since those are not
  12 // typedefs for ulong and long here:
  13 #if defined(__APPLE__) && !defined(BOOST_COMPUTE_TYPES_SIZE_T_HPP)
  14 #define BOOST_COMPUTE_TYPES_SIZE_T_HPP
  15
  16 #include <sstream>
  17
  18 #include <boost/mpl/if.hpp>
  19
  20 #include <boost/compute/type_traits/is_fundamental.hpp>
  21 #include <boost/compute/type_traits/type_name.hpp>
  22 #include <boost/compute/detail/meta_kernel.hpp>
  23
  24 namespace boost {
  25 namespace compute {
  26
  27 template <> struct is_fundamental<size_t>    : boost::true_type {};
  28 template <> struct is_fundamental<ptrdiff_t> : boost::true_type {};
  29
  30 namespace detail {
  31
  32 template <> struct type_name_trait<size_t>
  33     : type_name_trait<
  34         boost::mpl::if_c<sizeof(size_t) == sizeof(cl_uint), cl_uint, cl_ulong>::type
  35         >
  36 {};
  37
  38 template <> struct type_name_trait<ptrdiff_t>
  39     : type_name_trait<
  40         boost::mpl::if_c<sizeof(ptrdiff_t) == sizeof(cl_int), cl_int, cl_long>::type
  41         >
  42 {};
  43
  44 inline meta_kernel& operator<<(meta_kernel &k, size_t v) {
  45     std::ostringstream s;
  46     s << v;
  47     return k << s.str();
  48 }
  49
  50 inline meta_kernel& operator<<(meta_kernel &k, ptrdiff_t v) {
  51     std::ostringstream s;
  52     s << v;
  53     return k << s.str();
  54 }
  55
  56 } // end detail namespace
  57 } // end compute namespace
  58 } // end boost namespace
  59
  60 #endif