Point Cloud Library (PCL) 1.12.1
algorithm.hpp
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34* Author: Anatoly Baskeheev, Itseez Ltd, (myname.mysurname@mycompany.com)
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36
37#ifndef PCL_PGU_DEVICE_ALGORITHM_HPP_
38#define PCL_PGU_DEVICE_ALGORITHM_HPP_
39
40namespace pcl
41{
42 namespace device
43 {
44 template <class T>
45 __device__ __host__ __forceinline__ void swap ( T& a, T& b )
46 {
47 T c(a); a=b; b=c;
48 }
49
50 template<typename Iterator, typename T, typename BinaryPredicate>
51 __host__ __device__ Iterator lower_bound(Iterator first, Iterator last, const T &val, BinaryPredicate comp)
52 {
53 int len = last - first;
54
55 while(len > 0)
56 {
57 int half = len >> 1;
58 Iterator middle = first;
59
60 middle += half;
61
62 if(comp(*middle, val))
63 {
64 first = middle;
65 ++first;
66 len -= half + 1;
67 }
68 else
69 {
70 len = half;
71 }
72 }
73 return first;
74 }
75 }
76}
77#endif /* PCL_PGU_DEVICE_ALGORITHM_HPP_ */
__device__ __host__ __forceinline__ void swap(T &a, T &b)
Definition: utils.hpp:53
__host__ __device__ Iterator lower_bound(Iterator first, Iterator last, const T &val, BinaryPredicate comp)
Definition: algorithm.hpp:51