From bf4b4eeda9762ed9e99c2b24f19331fa0111fcfe Mon Sep 17 00:00:00 2001
From: ROUVREAU Vincent <vincent.rouvreau@inria.fr>
Date: Mon, 27 Jan 2020 10:43:16 +0100
Subject: Code review: Use std::clog instead of std::cout

---
 .../example/persistence_intervals.cpp              | 40 +++++++++++-----------
 1 file changed, 20 insertions(+), 20 deletions(-)

(limited to 'src/Persistence_representations/example/persistence_intervals.cpp')

diff --git a/src/Persistence_representations/example/persistence_intervals.cpp b/src/Persistence_representations/example/persistence_intervals.cpp
index c908581c..748b9ae4 100644
--- a/src/Persistence_representations/example/persistence_intervals.cpp
+++ b/src/Persistence_representations/example/persistence_intervals.cpp
@@ -18,59 +18,59 @@ using Persistence_intervals = Gudhi::Persistence_representations::Persistence_in
 
 int main(int argc, char** argv) {
   if (argc != 2) {
-    std::cout << "To run this program, please provide the name of a file with persistence diagram \n";
+    std::clog << "To run this program, please provide the name of a file with persistence diagram \n";
     return 1;
   }
 
   Persistence_intervals p(argv[1]);
   std::pair<double, double> min_max_ = p.get_x_range();
-  std::cout << "Birth-death range : " << min_max_.first << " " << min_max_.second << std::endl;
+  std::clog << "Birth-death range : " << min_max_.first << " " << min_max_.second << std::endl;
 
   std::vector<double> dominant_ten_intervals_length = p.length_of_dominant_intervals(10);
-  std::cout << "Length of ten dominant intervals : " << std::endl;
+  std::clog << "Length of ten dominant intervals : " << std::endl;
   for (size_t i = 0; i != dominant_ten_intervals_length.size(); ++i) {
-    std::cout << dominant_ten_intervals_length[i] << std::endl;
+    std::clog << dominant_ten_intervals_length[i] << std::endl;
   }
 
   std::vector<std::pair<double, double> > ten_dominant_intervals = p.dominant_intervals(10);
-  std::cout << "Here are the dominant intervals : " << std::endl;
+  std::clog << "Here are the dominant intervals : " << std::endl;
   for (size_t i = 0; i != ten_dominant_intervals.size(); ++i) {
-    std::cout << "( " << ten_dominant_intervals[i].first << "," << ten_dominant_intervals[i].second << std::endl;
+    std::clog << "( " << ten_dominant_intervals[i].first << "," << ten_dominant_intervals[i].second << std::endl;
   }
 
   std::vector<size_t> histogram = p.histogram_of_lengths(10);
-  std::cout << "Here is the histogram of barcode's length : " << std::endl;
+  std::clog << "Here is the histogram of barcode's length : " << std::endl;
   for (size_t i = 0; i != histogram.size(); ++i) {
-    std::cout << histogram[i] << " ";
+    std::clog << histogram[i] << " ";
   }
-  std::cout << std::endl;
+  std::clog << std::endl;
 
   std::vector<size_t> cumulative_histogram = p.cumulative_histogram_of_lengths(10);
-  std::cout << "Cumulative histogram : " << std::endl;
+  std::clog << "Cumulative histogram : " << std::endl;
   for (size_t i = 0; i != cumulative_histogram.size(); ++i) {
-    std::cout << cumulative_histogram[i] << " ";
+    std::clog << cumulative_histogram[i] << " ";
   }
-  std::cout << std::endl;
+  std::clog << std::endl;
 
   std::vector<double> char_funct_diag = p.characteristic_function_of_diagram(min_max_.first, min_max_.second);
-  std::cout << "Characteristic function of diagram : " << std::endl;
+  std::clog << "Characteristic function of diagram : " << std::endl;
   for (size_t i = 0; i != char_funct_diag.size(); ++i) {
-    std::cout << char_funct_diag[i] << " ";
+    std::clog << char_funct_diag[i] << " ";
   }
-  std::cout << std::endl;
+  std::clog << std::endl;
 
   std::vector<double> cumul_char_funct_diag =
       p.cumulative_characteristic_function_of_diagram(min_max_.first, min_max_.second);
-  std::cout << "Cumulative characteristic function of diagram : " << std::endl;
+  std::clog << "Cumulative characteristic function of diagram : " << std::endl;
   for (size_t i = 0; i != cumul_char_funct_diag.size(); ++i) {
-    std::cout << cumul_char_funct_diag[i] << " ";
+    std::clog << cumul_char_funct_diag[i] << " ";
   }
-  std::cout << std::endl;
+  std::clog << std::endl;
 
-  std::cout << "Persistence Betti numbers \n";
+  std::clog << "Persistence Betti numbers \n";
   std::vector<std::pair<double, size_t> > pbns = p.compute_persistent_betti_numbers();
   for (size_t i = 0; i != pbns.size(); ++i) {
-    std::cout << pbns[i].first << " " << pbns[i].second << std::endl;
+    std::clog << pbns[i].first << " " << pbns[i].second << std::endl;
   }
 
   return 0;
-- 
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