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#pragma once

#ifndef __OPENCV_CUDEV_GRID_SPLIT_MERGE_HPP__
#define __OPENCV_CUDEV_GRID_SPLIT_MERGE_HPP__

#include "../common.hpp"
#include "../util/tuple.hpp"
#include "../util/vec_traits.hpp"
#include "../ptr2d/traits.hpp"
#include "../ptr2d/gpumat.hpp"
#include "../ptr2d/glob.hpp"
#include "../ptr2d/mask.hpp"
#include "detail/split_merge.hpp"

namespace cv { namespace cudev {

//! @addtogroup cudev
//! @{

template <class Policy, class SrcPtrTuple, typename DstType, class MaskPtr>
__host__ void gridMerge_(const SrcPtrTuple& src, GpuMat_<DstType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<DstType>::cn == tuple_size<SrcPtrTuple>::value, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    dst.create(rows, cols);

    grid_split_merge_detail::MergeImpl<VecTraits<DstType>::cn, Policy>::merge(shrinkPtr(src),
                                                                              shrinkPtr(dst),
                                                                              shrinkPtr(mask),
                                                                              rows, cols,
                                                                              StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtrTuple, typename DstType, class MaskPtr>
__host__ void gridMerge_(const SrcPtrTuple& src, const GlobPtrSz<DstType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<DstType>::cn == tuple_size<SrcPtrTuple>::value, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst) == rows && getCols(dst) == cols );
    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    grid_split_merge_detail::MergeImpl<VecTraits<DstType>::cn, Policy>::merge(shrinkPtr(src),
                                                                              shrinkPtr(dst),
                                                                              shrinkPtr(mask),
                                                                              rows, cols,
                                                                              StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtrTuple, typename DstType>
__host__ void gridMerge_(const SrcPtrTuple& src, GpuMat_<DstType>& dst, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<DstType>::cn == tuple_size<SrcPtrTuple>::value, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    dst.create(rows, cols);

    grid_split_merge_detail::MergeImpl<VecTraits<DstType>::cn, Policy>::merge(shrinkPtr(src),
                                                                              shrinkPtr(dst),
                                                                              WithOutMask(),
                                                                              rows, cols,
                                                                              StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtrTuple, typename DstType>
__host__ void gridMerge_(const SrcPtrTuple& src, const GlobPtrSz<DstType>& dst, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<DstType>::cn == tuple_size<SrcPtrTuple>::value, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst) == rows && getCols(dst) == cols );

    grid_split_merge_detail::MergeImpl<VecTraits<DstType>::cn, Policy>::merge(shrinkPtr(src),
                                                                              shrinkPtr(dst),
                                                                              WithOutMask(),
                                                                              rows, cols,
                                                                              StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[2], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[2], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );
    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[2], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[2], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 2, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);
    get<2>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)), shrinkPtr(get<2>(dst)),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[3], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);
    dst[2].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[3], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );
    CV_Assert( getRows(dst[2]) == rows && getCols(dst[2]) == cols );
    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);
    get<2>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)), shrinkPtr(get<2>(dst)),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[3], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);
    dst[2].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[3], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 3, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );
    CV_Assert( getRows(dst[2]) == rows && getCols(dst[2]) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);
    get<2>(dst).create(rows, cols);
    get<3>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)), shrinkPtr(get<2>(dst)), shrinkPtr(get<3>(dst)),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[4], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);
    dst[2].create(rows, cols);
    dst[3].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]), shrinkPtr(dst[3]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[4], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );
    CV_Assert( getRows(dst[2]) == rows && getCols(dst[2]) == cols );
    CV_Assert( getRows(dst[3]) == rows && getCols(dst[3]) == cols );
    CV_Assert( getRows(mask) == rows && getCols(mask) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]), shrinkPtr(dst[3]),
                                           shrinkPtr(mask),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    get<0>(dst).create(rows, cols);
    get<1>(dst).create(rows, cols);
    get<2>(dst).create(rows, cols);
    get<3>(dst).create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(get<0>(dst)), shrinkPtr(get<1>(dst)), shrinkPtr(get<2>(dst)), shrinkPtr(get<3>(dst)),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GpuMat_<DstType> (&dst)[4], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    dst[0].create(rows, cols);
    dst[1].create(rows, cols);
    dst[2].create(rows, cols);
    dst[3].create(rows, cols);

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]), shrinkPtr(dst[3]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

template <class Policy, class SrcPtr, typename DstType>
__host__ void gridSplit_(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[4], Stream& stream = Stream::Null())
{
    CV_StaticAssert( VecTraits<typename PtrTraits<SrcPtr>::value_type>::cn == 4, "" );

    const int rows = getRows(src);
    const int cols = getCols(src);

    CV_Assert( getRows(dst[0]) == rows && getCols(dst[0]) == cols );
    CV_Assert( getRows(dst[1]) == rows && getCols(dst[1]) == cols );
    CV_Assert( getRows(dst[2]) == rows && getCols(dst[2]) == cols );
    CV_Assert( getRows(dst[3]) == rows && getCols(dst[3]) == cols );

    grid_split_merge_detail::split<Policy>(shrinkPtr(src),
                                           shrinkPtr(dst[0]), shrinkPtr(dst[1]), shrinkPtr(dst[2]), shrinkPtr(dst[3]),
                                           WithOutMask(),
                                           rows, cols,
                                           StreamAccessor::getStream(stream));
}

// Default Policy

struct DefaultSplitMergePolicy
{
    enum {
        block_size_x = 32,
        block_size_y = 8
    };
};

template <class SrcPtrTuple, typename DstType, class MaskPtr>
__host__ void gridMerge(const SrcPtrTuple& src, GpuMat_<DstType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridMerge_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtrTuple, typename DstType, class MaskPtr>
__host__ void gridMerge(const SrcPtrTuple& src, const GlobPtrSz<DstType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridMerge_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtrTuple, typename DstType>
__host__ void gridMerge(const SrcPtrTuple& src, GpuMat_<DstType>& dst, Stream& stream = Stream::Null())
{
    gridMerge_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtrTuple, typename DstType>
__host__ void gridMerge(const SrcPtrTuple& src, const GlobPtrSz<DstType>& dst, Stream& stream = Stream::Null())
{
    gridMerge_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtr, typename DstType>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtr, typename DstType>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtr, typename DstType, class MaskPtr>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtr, typename DstType>
__host__ void gridSplit(const SrcPtr& src, const tuple< GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>&, GpuMat_<DstType>& >& dst, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtr, typename DstType, int COUNT, class MaskPtr>
__host__ void gridSplit(const SrcPtr& src, GpuMat_<DstType> (&dst)[COUNT], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtr, typename DstType, int COUNT, class MaskPtr>
__host__ void gridSplit(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[COUNT], const MaskPtr& mask, Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, mask, stream);
}

template <class SrcPtr, typename DstType, int COUNT>
__host__ void gridSplit(const SrcPtr& src, GpuMat_<DstType> (&dst)[COUNT], Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, stream);
}

template <class SrcPtr, typename DstType, int COUNT>
__host__ void gridSplit(const SrcPtr& src, GlobPtrSz<DstType> (&dst)[COUNT], Stream& stream = Stream::Null())
{
    gridSplit_<DefaultSplitMergePolicy>(src, dst, stream);
}

//! @}

}}

#endif