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Diffstat (limited to 'boost/compute/types/size_t.hpp')
-rw-r--r-- | boost/compute/types/size_t.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/boost/compute/types/size_t.hpp b/boost/compute/types/size_t.hpp new file mode 100644 index 0000000000..aca8e36ba0 --- /dev/null +++ b/boost/compute/types/size_t.hpp @@ -0,0 +1,60 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2017 Denis Demidov <dennis.demidov@gmail.com> +// +// Distributed under the Boost Software License, Version 1.0 +// See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt +// +// See http://boostorg.github.com/compute for more information. +//---------------------------------------------------------------------------// + +// size_t and ptrdiff_t need special treatment on OSX since those are not +// typedefs for ulong and long here: +#if defined(__APPLE__) && !defined(BOOST_COMPUTE_TYPES_SIZE_T_HPP) +#define BOOST_COMPUTE_TYPES_SIZE_T_HPP + +#include <sstream> + +#include <boost/mpl/if.hpp> + +#include <boost/compute/type_traits/is_fundamental.hpp> +#include <boost/compute/type_traits/type_name.hpp> +#include <boost/compute/detail/meta_kernel.hpp> + +namespace boost { +namespace compute { + +template <> struct is_fundamental<size_t> : boost::true_type {}; +template <> struct is_fundamental<ptrdiff_t> : boost::true_type {}; + +namespace detail { + +template <> struct type_name_trait<size_t> + : type_name_trait< + boost::mpl::if_c<sizeof(size_t) == sizeof(cl_uint), cl_uint, cl_ulong>::type + > +{}; + +template <> struct type_name_trait<ptrdiff_t> + : type_name_trait< + boost::mpl::if_c<sizeof(ptrdiff_t) == sizeof(cl_int), cl_int, cl_long>::type + > +{}; + +inline meta_kernel& operator<<(meta_kernel &k, size_t v) { + std::ostringstream s; + s << v; + return k << s.str(); +} + +inline meta_kernel& operator<<(meta_kernel &k, ptrdiff_t v) { + std::ostringstream s; + s << v; + return k << s.str(); +} + +} // end detail namespace +} // end compute namespace +} // end boost namespace + +#endif |