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thrust_view.h
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27 
32 #pragma once
33 
34 #include <nvbio/basic/types.h>
35 #include <nvbio/basic/vector_view.h>
36 #include <thrust/host_vector.h>
37 #include <thrust/device_vector.h>
38 
39 namespace nvbio {
40 
41 template <typename T> struct device_view_subtype< thrust::device_vector<T> > { typedef vector_view<T*,uint64> type; };
42 template <typename T> struct plain_view_subtype< thrust::host_vector<T> > { typedef vector_view<T*,uint64> type; };
43 template <typename T> struct plain_view_subtype< thrust::device_vector<T> > { typedef vector_view<T*,uint64> type; };
44 template <typename T> struct plain_view_subtype< const thrust::host_vector<T> > { typedef vector_view<const T*,uint64> type; };
45 template <typename T> struct plain_view_subtype< const thrust::device_vector<T> > { typedef vector_view<const T*,uint64> type; };
46 
49 template <typename T>
50 vector_view<T*,uint64> device_view(thrust::device_vector<T>& vec) { return vector_view<T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
51 
54 template <typename T>
55 vector_view<const T*,uint64> device_view(const thrust::device_vector<T>& vec) { return vector_view<const T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
56 
59 template <typename T>
60 vector_view<T*,uint64> plain_view(thrust::device_vector<T>& vec) { return vector_view<T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
61 
64 template <typename T>
65 vector_view<const T*,uint64> plain_view(const thrust::device_vector<T>& vec) { return vector_view<const T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
66 
69 template <typename T>
70 vector_view<T*,uint64> plain_view(thrust::host_vector<T>& vec) { return vector_view<T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
71 
74 template <typename T>
75 vector_view<const T*,uint64> plain_view(const thrust::host_vector<T>& vec) { return vector_view<const T*,uint64>( vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL ); }
76 
79 template <typename T>
80 T* raw_pointer(thrust::device_vector<T>& vec) { return vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL; }
81 
84 template <typename T>
85 const T* raw_pointer(const thrust::device_vector<T>& vec) { return vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL; }
86 
89 template <typename T>
90 T* raw_pointer(thrust::host_vector<T>& vec) { return vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL; }
91 
94 template <typename T>
95 const T* raw_pointer(const thrust::host_vector<T>& vec) { return vec.size(), vec.size() ? thrust::raw_pointer_cast( &vec.front() ) : NULL; }
96 
99 template <typename T>
100 typename thrust::device_vector<T>::iterator begin(thrust::device_vector<T>& vec) { return vec.begin; }
101 
104 template <typename T>
105 typename thrust::device_vector<T>::const_iterator begin(const thrust::device_vector<T>& vec) { return vec.begin; }
106 
109 template <typename T>
110 typename thrust::host_vector<T>::iterator begin(thrust::host_vector<T>& vec) { return vec.begin; }
111 
114 template <typename T>
115 typename thrust::host_vector<T>::const_iterator begin(const thrust::host_vector<T>& vec) { return vec.begin; }
116 
117 } // namespace nvbio
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