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authorskachano <skachano@636b058d-ea47-450e-bf9e-a15bfbe3eedb>2016-09-02 13:15:33 +0000
committerskachano <skachano@636b058d-ea47-450e-bf9e-a15bfbe3eedb>2016-09-02 13:15:33 +0000
commit661df189e5a0c5cdfa12607d03da4cd59c51018f (patch)
tree349e3088d8bd28d0f1b2e5add776ec994af52832 /src/Subsampling
parenta98aa40ed1231e97eb2d1a531035fc8295133f68 (diff)
Mark comment #1 + Vincent comment #1
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/subsampling_and_spatialsearching@1472 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: e9a2fb8d8f9e11c60326203c7e0e46cdb2b12435
Diffstat (limited to 'src/Subsampling')
-rw-r--r--src/Subsampling/include/gudhi/choose_by_farthest_point.h28
1 files changed, 14 insertions, 14 deletions
diff --git a/src/Subsampling/include/gudhi/choose_by_farthest_point.h b/src/Subsampling/include/gudhi/choose_by_farthest_point.h
index 8dea19be..b09192d9 100644
--- a/src/Subsampling/include/gudhi/choose_by_farthest_point.h
+++ b/src/Subsampling/include/gudhi/choose_by_farthest_point.h
@@ -46,7 +46,7 @@ namespace subsampling {
* \brief Subsample by a greedy strategy of iteratively adding the farthest point from the
* current chosen point set to the subsampling.
* The iteration starts with the landmark `starting point`.
- * \details It chooses `final_size` points from a random access range `points` and
+ * \details It chooses `final_size` points from a random access range `input_pts` and
* outputs it in the output iterator `output_it`.
*
*/
@@ -54,31 +54,31 @@ namespace subsampling {
template < typename Kernel,
typename Point_container,
typename OutputIterator>
- void choose_by_farthest_point( Kernel& k,
- Point_container const &points,
- int final_size,
- int starting_point,
+ void choose_by_farthest_point( Kernel const &k,
+ Point_container const &input_pts,
+ unsigned final_size,
+ unsigned starting_point,
OutputIterator output_it)
{
typename Kernel::Squared_distance_d sqdist = k.squared_distance_d_object();
- int nb_points = boost::size(points);
+ int nb_points = boost::size(input_pts);
assert(nb_points >= final_size);
- int current_number_of_landmarks = 0; // counter for landmarks
+ unsigned current_number_of_landmarks = 0; // counter for landmarks
double curr_max_dist = 0; // used for defining the furhest point from L
const double infty = std::numeric_limits<double>::infinity(); // infinity (see next entry)
- std::vector< double > dist_to_L(nb_points, infty); // vector of current distances to L from points
+ std::vector< double > dist_to_L(nb_points, infty); // vector of current distances to L from input_pts
int curr_max_w = starting_point;
for (current_number_of_landmarks = 0; current_number_of_landmarks != final_size; current_number_of_landmarks++) {
// curr_max_w at this point is the next landmark
- *output_it++ = points[curr_max_w];
+ *output_it++ = input_pts[curr_max_w];
// std::cout << curr_max_w << "\n";
unsigned i = 0;
- for (auto& p : points) {
- double curr_dist = sqdist(p, *(std::begin(points) + curr_max_w));
+ 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;
++i;
@@ -98,7 +98,7 @@ namespace subsampling {
* \brief Subsample by a greedy strategy of iteratively adding the farthest point from the
* current chosen point set to the subsampling.
* The iteration starts with a random landmark.
- * \details It chooses `final_size` points from a random access range `points` and
+ * \details It chooses `final_size` points from a random access range `input_pts` and
* outputs it in the output iterator `output_it`.
*
*/
@@ -106,7 +106,7 @@ namespace subsampling {
typename Point_container,
typename OutputIterator>
void choose_by_farthest_point( Kernel& k,
- Point_container const &points,
+ Point_container const &input_pts,
int final_size,
OutputIterator output_it)
{
@@ -115,7 +115,7 @@ namespace subsampling {
std::mt19937 gen(rd());
std::uniform_int_distribution<> dis(1, 6);
int starting_point = dis(gen);
- choose_by_farthest_point(k, points, final_size, starting_point, output_it);
+ choose_by_farthest_point(k, input_pts, final_size, starting_point, output_it);
}
} // namespace subsampling