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43 
44 #pragma once
45 
46 #ifndef __OPENCV_CUDEV_UTIL_TUPLE_DETAIL_HPP__
47 #define __OPENCV_CUDEV_UTIL_TUPLE_DETAIL_HPP__
48 
49 #include <thrust/tuple.h>
50 
51 namespace cv { namespace cudev {
52 
53 namespace tuple_detail
54 {
55     using thrust::tuple;
56     using thrust::tuple_size;
57     using thrust::get;
58     using thrust::tuple_element;
59     using thrust::make_tuple;
60     using thrust::tie;
61 
62     template <class Tuple, int SIZE, template <typename T> class CvtOp> struct ConvertTuple;
63 
64     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 2, CvtOp>
65     {
66         typedef tuple<
67             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
68             typename CvtOp<typename tuple_element<1, Tuple>::type>::type
69         > type;
70     };
71 
72     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 3, CvtOp>
73     {
74         typedef tuple<
75             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
76             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
77             typename CvtOp<typename tuple_element<2, Tuple>::type>::type
78         > type;
79     };
80 
81     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 4, CvtOp>
82     {
83         typedef tuple<
84             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
85             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
86             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
87             typename CvtOp<typename tuple_element<3, Tuple>::type>::type
88         > type;
89     };
90 
91     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 5, CvtOp>
92     {
93         typedef tuple<
94             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
95             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
96             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
97             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
98             typename CvtOp<typename tuple_element<4, Tuple>::type>::type
99         > type;
100     };
101 
102     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 6, CvtOp>
103     {
104         typedef tuple<
105             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
106             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
107             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
108             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
109             typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
110             typename CvtOp<typename tuple_element<5, Tuple>::type>::type
111         > type;
112     };
113 
114     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 7, CvtOp>
115     {
116         typedef tuple<
117             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
118             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
119             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
120             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
121             typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
122             typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
123             typename CvtOp<typename tuple_element<6, Tuple>::type>::type
124         > type;
125     };
126 
127     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 8, CvtOp>
128     {
129         typedef tuple<
130             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
131             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
132             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
133             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
134             typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
135             typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
136             typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
137             typename CvtOp<typename tuple_element<7, Tuple>::type>::type
138         > type;
139     };
140 
141     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 9, CvtOp>
142     {
143         typedef tuple<
144             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
145             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
146             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
147             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
148             typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
149             typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
150             typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
151             typename CvtOp<typename tuple_element<7, Tuple>::type>::type,
152             typename CvtOp<typename tuple_element<8, Tuple>::type>::type
153         > type;
154     };
155 
156     template <class Tuple, template <typename T> class CvtOp> struct ConvertTuple<Tuple, 10, CvtOp>
157     {
158         typedef tuple<
159             typename CvtOp<typename tuple_element<0, Tuple>::type>::type,
160             typename CvtOp<typename tuple_element<1, Tuple>::type>::type,
161             typename CvtOp<typename tuple_element<2, Tuple>::type>::type,
162             typename CvtOp<typename tuple_element<3, Tuple>::type>::type,
163             typename CvtOp<typename tuple_element<4, Tuple>::type>::type,
164             typename CvtOp<typename tuple_element<5, Tuple>::type>::type,
165             typename CvtOp<typename tuple_element<6, Tuple>::type>::type,
166             typename CvtOp<typename tuple_element<7, Tuple>::type>::type,
167             typename CvtOp<typename tuple_element<8, Tuple>::type>::type,
168             typename CvtOp<typename tuple_element<9, Tuple>::type>::type
169         > type;
170     };
171 }
172 
173 }}
174 
175 #endif
176