00001 #include <vocabulary_tree/distance.h>
00002 #include <vector>
00003 #include <boost/array.hpp>
00004 #include <cstdio>
00005
00006 int main(int argc, char** argv)
00007 {
00008 {
00009 typedef Eigen::Vector4i Feature;
00010 Feature a(0, 0, 0, 0), b(1, 1, 1, 1);
00011 vt::distance::L2<Feature> distance;
00012 printf("Distance = %d\n", distance(a, b));
00013 }
00014 {
00015 typedef Eigen::Vector4f Feature;
00016 Feature a(0, 0, 0, 0), b(1.6, 2.24, 5.3, -0.512);
00017 vt::distance::L2<Feature> distance;
00018 printf("Distance = %f\n", distance(a, b));
00019 }
00020 {
00021 typedef boost::array<double, 2> Feature;
00022 Feature a, b;
00023 a[0] = 0.0; a[1] = 3.0;
00024 b[0] = 4.0; b[1] = 0.0;
00025 vt::distance::L2<Feature> distance;
00026 printf("Distance = %f\n", distance(a, b));
00027 }
00028 {
00029 typedef std::vector<uint8_t> Feature;
00030 Feature a(2), b(2);
00031 a[0] = 0; a[1] = 3;
00032 b[0] = 4; b[1] = 0;
00033 vt::distance::L2<Feature> distance;
00034 printf("Distance = %d\n", distance(a, b));
00035 }
00036 }
