Move Euclidean_distance in Gudhi namespace

Fix cpplints


git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@2331 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: bc5609c2df490db50e82b56a5e6d899dc6370182

3 files changed, 8 insertions, 4 deletions

diff --git a/src/Subsampling/example/example_choose_n_farthest_points.cpp b/src/Subsampling/example/example_choose_n_farthest_points.cpp
index fc9ea7a6..ebf631fc 100644
--- a/src/Subsampling/example/example_choose_n_farthest_points.cpp
+++ b/src/Subsampling/example/example_choose_n_farthest_points.cpp
@@ -19,7 +19,9 @@ int main(void) {
 
   K k;
   std::vector<Point_d> results;
-  Gudhi::subsampling::choose_n_farthest_points(k, points, 100, Gudhi::subsampling::random_starting_point, std::back_inserter(results));
+  Gudhi::subsampling::choose_n_farthest_points(k, points, 100,
+                                               Gudhi::subsampling::random_starting_point,
+                                               std::back_inserter(results));
   std::cout << "Before sparsification: " << points.size() << " points.\n";
   std::cout << "After  sparsification: " << results.size() << " points.\n";
 
diff --git a/src/Subsampling/example/example_custom_kernel.cpp b/src/Subsampling/example/example_custom_kernel.cpp
index 2719ee90..2d42bdde 100644
--- a/src/Subsampling/example/example_custom_kernel.cpp
+++ b/src/Subsampling/example/example_custom_kernel.cpp
@@ -54,7 +54,9 @@ int main(void) {
   std::vector<Point_d> points = {0, 1, 2, 3};
   std::vector<Point_d> results;
 
-  Gudhi::subsampling::choose_n_farthest_points(k, points, 2, Gudhi::subsampling::random_starting_point, std::back_inserter(results));
+  Gudhi::subsampling::choose_n_farthest_points(k, points, 2,
+                                               Gudhi::subsampling::random_starting_point,
+                                               std::back_inserter(results));
   std::cout << "Before sparsification: " << points.size() << " points.\n";
   std::cout << "After  sparsification: " << results.size() << " points.\n";
   std::cout << "Result table: {" << results[0] << "," << results[1] << "}\n";
diff --git a/src/Subsampling/include/gudhi/choose_n_farthest_points.h b/src/Subsampling/include/gudhi/choose_n_farthest_points.h
index 50d3cf80..86500b28 100644
--- a/src/Subsampling/include/gudhi/choose_n_farthest_points.h
+++ b/src/Subsampling/include/gudhi/choose_n_farthest_points.h
@@ -74,13 +74,13 @@ enum : std::size_t {
 template < typename Kernel,
 typename Point_range,
 typename PointOutputIterator,
-typename DistanceOutputIterator=Null_output_iterator>
+typename DistanceOutputIterator = Null_output_iterator>
 void choose_n_farthest_points(Kernel const &k,
                               Point_range const &input_pts,
                               std::size_t final_size,
                               std::size_t starting_point,
                               PointOutputIterator output_it,
-                              DistanceOutputIterator dist_it={}) {
+                              DistanceOutputIterator dist_it = {}) {
   std::size_t nb_points = boost::size(input_pts);
   if (final_size > nb_points)
     final_size = nb_points;