3 files changed, 6 insertions, 6 deletions
diff --git a/src/GudhUI/utils/Bar_code_persistence.h b/src/GudhUI/utils/Bar_code_persistence.h
index cd9b009f..b526017a 100644
--- a/src/GudhUI/utils/Bar_code_persistence.h
+++ b/src/GudhUI/utils/Bar_code_persistence.h
@@ -58,13 +58,13 @@ class Bar_code_persistence {
     QGraphicsScene * scene = new QGraphicsScene();
     view->setScene(scene);
     double ratio = 600.0 / (max_death - min_birth);
-    // std::cout << "min_birth=" << min_birth << " - max_death=" << max_death << " - ratio=" << ratio << std::endl;
+    // std::clog << "min_birth=" << min_birth << " - max_death=" << max_death << " - ratio=" << ratio << std::endl;
 
     double height = 0.0, birth = 0.0, death = 0.0;
     int pers_num = 1;
     for (auto& persistence : persistence_vector) {
       height = 5.0 * pers_num;
-      // std::cout << "[" << pers_num << "] birth=" << persistence.first << " - death=" << persistence.second << std::endl;
+      // std::clog << "[" << pers_num << "] birth=" << persistence.first << " - death=" << persistence.second << std::endl;
       if (std::isfinite(persistence.first))
         birth = ((persistence.first - min_birth) * ratio) + 50.0;
       else
diff --git a/src/GudhUI/utils/Critical_points.h b/src/GudhUI/utils/Critical_points.h
index 32fcf32e..97e58737 100644
--- a/src/GudhUI/utils/Critical_points.h
+++ b/src/GudhUI/utils/Critical_points.h
@@ -65,7 +65,7 @@ template<typename SkBlComplex> class Critical_points {
   void anti_collapse_edges(const std::deque<Edge>& edges) {
     unsigned pos = 0;
     for (Edge e : edges) {
-      std::cout << "edge " << pos++ << "/" << edges.size() << "\n";
+      std::clog << "edge " << pos++ << "/" << edges.size() << "\n";
       auto eh = filled_complex_.add_edge_without_blockers(e.first, e.second);
       int is_contractible(is_link_reducible(eh));
 
diff --git a/src/GudhUI/utils/Rips_builder.h b/src/GudhUI/utils/Rips_builder.h
index aba1a8e4..0300190c 100644
--- a/src/GudhUI/utils/Rips_builder.h
+++ b/src/GudhUI/utils/Rips_builder.h
@@ -43,13 +43,13 @@ template<typename SkBlComplex> class Rips_builder {
   void compute_edges(double alpha) {
     auto vertices = complex_.vertex_range();
     for (auto p = vertices.begin(); p != vertices.end(); ++p) {
-      std::cout << *p << " ";
-      std::cout.flush();
+      std::clog << *p << " ";
+      std::clog.flush();
       for (auto q = p; ++q != vertices.end(); /**/)
         if (squared_eucl_distance(complex_.point(*p), complex_.point(*q)) < 4 * alpha * alpha)
           complex_.add_edge_without_blockers(*p, *q);
     }
-    std::cout << std::endl;
+    std::clog << std::endl;
   }
 };