Allow constant input in choose_n_farthest_points.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@3075 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: e3e6f9f0fe4e0cc0e4062984cc8ba08e99c1528f

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Subsampling/include/gudhi/choose_n_farthest_points.h b/src/Subsampling/include/gudhi/choose_n_farthest_points.h
index 86500b28..8390b4c9 100644
--- a/src/Subsampling/include/gudhi/choose_n_farthest_points.h
+++ b/src/Subsampling/include/gudhi/choose_n_farthest_points.h
@@ -93,7 +93,7 @@ void choose_n_farthest_points(Kernel const &k,
     // Choose randomly the first landmark
     std::random_device rd;
     std::mt19937 gen(rd());
-    std::uniform_int_distribution<std::size_t> dis(0, (input_pts.size() - 1));
+    std::uniform_int_distribution<std::size_t> dis(0, nb_points - 1);
     starting_point = dis(gen);
   }
 
@@ -110,7 +110,7 @@ void choose_n_farthest_points(Kernel const &k,
     *output_it++ = input_pts[curr_max_w];
     *dist_it++ = dist_to_L[curr_max_w];
     std::size_t i = 0;
-    for (auto& p : input_pts) {
+    for (auto&& p : input_pts) {
       double curr_dist = sqdist(p, *(std::begin(input_pts) + curr_max_w));
       if (curr_dist < dist_to_L[i])
         dist_to_L[i] = curr_dist;