root/modules/cudev/include/opencv2/cudev/util/detail/tuple.hpp

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#pragma once

#ifndef __OPENCV_CUDEV_UTIL_TUPLE_DETAIL_HPP__
#define __OPENCV_CUDEV_UTIL_TUPLE_DETAIL_HPP__

#include <thrust/tuple.h>

namespace cv { namespace cudev {

namespace tuple_detail
{
    using thrust::tuple;
    using thrust::tuple_size;
    using thrust::get;
    using thrust::tuple_element;
    using thrust::make_tuple;
    using thrust::tie;

    template <class Tuple, int SIZE, template <typename T> class CvtOp> struct ConvertTuple;

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 2, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 3, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 4, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 5, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 6, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<5, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 7, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<6, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 8, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<7, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 9, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<7, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<8, Tuple>::type>::type
        > type;
    };

    template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 10, CvtOp>
    {
        typedef tuple<
            typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<7, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<8, Tuple>::type>::type,
            typename CvtOp<typename tuple_element<9, Tuple>::type>::type
        > type;
    };
}

}}

#endif