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00036 #ifndef PCL_REGISTRATION_CORRESPONDENCE_SORTING_H_
00037 #define PCL_REGISTRATION_CORRESPONDENCE_SORTING_H_
00038
00039 #if defined __GNUC__
00040 # pragma GCC system_header
00041 #endif
00042
00043 #include <pcl/registration/correspondence_types.h>
00044
00045 namespace pcl
00046 {
00047 namespace registration
00048 {
00053 struct sortCorrespondencesByQueryIndex : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00054 {
00055 bool
00056 operator()( pcl::Correspondence a, pcl::Correspondence b)
00057 {
00058 return (a.index_query < b.index_query);
00059 }
00060 };
00061
00066 struct sortCorrespondencesByMatchIndex : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00067 {
00068 bool
00069 operator()( pcl::Correspondence a, pcl::Correspondence b)
00070 {
00071 return (a.index_match < b.index_match);
00072 }
00073 };
00074
00079 struct sortCorrespondencesByDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00080 {
00081 bool
00082 operator()( pcl::Correspondence a, pcl::Correspondence b)
00083 {
00084 return (a.distance < b.distance);
00085 }
00086 };
00087
00092 struct sortCorrespondencesByQueryIndexAndDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00093 {
00094 inline bool
00095 operator()( pcl::Correspondence a, pcl::Correspondence b)
00096 {
00097 if (a.index_query < b.index_query)
00098 return (true);
00099 else if ( (a.index_query == b.index_query) && (a.distance < b.distance) )
00100 return (true);
00101 return (false);
00102 }
00103 };
00104
00109 struct sortCorrespondencesByMatchIndexAndDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00110 {
00111 inline bool
00112 operator()( pcl::Correspondence a, pcl::Correspondence b)
00113 {
00114 if (a.index_match < b.index_match)
00115 return (true);
00116 else if ( (a.index_match == b.index_match) && (a.distance < b.distance) )
00117 return (true);
00118 return (false);
00119 }
00120 };
00121
00122 }
00123 }
00124
00125 #endif