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Diffstat (limited to 'boost/compute/type_traits/make_vector_type.hpp')
| -rw-r--r-- | boost/compute/type_traits/make_vector_type.hpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/boost/compute/type_traits/make_vector_type.hpp b/boost/compute/type_traits/make_vector_type.hpp new file mode 100644 index 0000000000..6494ff267f --- /dev/null +++ b/boost/compute/type_traits/make_vector_type.hpp @@ -0,0 +1,71 @@ +//---------------------------------------------------------------------------// +// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@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. +//---------------------------------------------------------------------------// + +#ifndef BOOST_COMPUTE_TYPE_TRAITS_MAKE_VECTOR_TYPE_HPP +#define BOOST_COMPUTE_TYPE_TRAITS_MAKE_VECTOR_TYPE_HPP + +#include <boost/preprocessor/cat.hpp> + +#include <boost/compute/types/fundamental.hpp> + +namespace boost { +namespace compute { + +/// Meta-function which returns a vector type for \p Scalar with \p Size. +/// +/// For example, +/// \code +/// make_vector_type<int, 2>::type == int2_ +/// make_vector_type<float, 4>::type == float4_ +/// \endcode +/// +/// \see is_vector_type +template<class Scalar, size_t Size> +struct make_vector_type +{ +}; + +/// \internal_ +template<class Scalar> +struct make_vector_type<Scalar, 1> +{ + typedef Scalar type; +}; + +/// \internal_ +#define BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTION(scalar, size) \ + template<> \ + struct make_vector_type<BOOST_PP_CAT(scalar, _), size> \ + { \ + typedef BOOST_PP_CAT(BOOST_PP_CAT(scalar, size), _) type; \ + }; + +/// \internal_ +#define BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(scalar) \ + BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTION(scalar, 2) \ + BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTION(scalar, 4) \ + BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTION(scalar, 8) \ + BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTION(scalar, 16) + +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(char) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(uchar) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(short) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(ushort) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(int) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(uint) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(long) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(ulong) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(float) +BOOST_COMPUTE_DECLARE_MAKE_VECTOR_TYPE_FUNCTIONS(double) + +} // end compute namespace +} // end boost namespace + +#endif // BOOST_COMPUTE_TYPE_TRAITS_MAKE_VECTOR_TYPE_HPP |