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#pragma once
#ifndef __OPENCV_CUDEV_FUNCTIONAL_TUPLE_ADAPTER_HPP__
#define __OPENCV_CUDEV_FUNCTIONAL_TUPLE_ADAPTER_HPP__
#include "../common.hpp"
#include "../util/tuple.hpp"
namespace cv { namespace cudev {
//! @addtogroup cudev
//! @{
template <class Op, int n> struct UnaryTupleAdapter
{
typedef typename Op::result_type result_type;
Op op;
template <class Tuple>
__device__ __forceinline__ typename Op::result_type operator ()(const Tuple& t) const
{
return op(get<n>(t));
}
};
template <int n, class Op>
__host__ __device__ UnaryTupleAdapter<Op, n> unaryTupleAdapter(const Op& op)
{
UnaryTupleAdapter<Op, n> a;
a.op = op;
return a;
}
template <class Op, int n0, int n1> struct BinaryTupleAdapter
{
typedef typename Op::result_type result_type;
Op op;
template <class Tuple>
__device__ __forceinline__ typename Op::result_type operator ()(const Tuple& t) const
{
return op(get<n0>(t), get<n1>(t));
}
};
template <int n0, int n1, class Op>
__host__ __device__ BinaryTupleAdapter<Op, n0, n1> binaryTupleAdapter(const Op& op)
{
BinaryTupleAdapter<Op, n0, n1> a;
a.op = op;
return a;
}
//! @}
}}
#endif