Point Cloud Library (PCL)  1.14.1-dev
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 
40 namespace 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