1 files changed, 31 insertions, 40 deletions
diff --git a/src/Rips_complex/example/example_rips_complex_from_fvecs.cpp b/src/Rips_complex/example/example_rips_complex_from_fvecs.cpp
index c05d038a..5e7667bd 100644
--- a/src/Rips_complex/example/example_rips_complex_from_fvecs.cpp
+++ b/src/Rips_complex/example/example_rips_complex_from_fvecs.cpp
@@ -10,58 +10,49 @@
 #include <iostream>
 #include <string>
 #include <vector>
+#include <ctime>
 
 void usage(int nbArgs, char * const progName) {
-  std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n";
-  std::cerr << "Usage: " << progName << " filename.fvecs threshold dim_max [ouput_file.txt]\n";
-  std::cerr << "       i.e.: " << progName << " ../../data/points/alphacomplexdoc.fvecs 60.0\n";
-  exit(-1);  // ----- >>
+    std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n";
+    std::cerr << "Usage: " << progName << " filename.fvecs threshold dim_max [ouput_file.txt]\n";
+    std::cerr << "       i.e.: " << progName << " ../../data/points/alphacomplexdoc.fvecs 60.0\n";
+    exit(-1);  // ----- >>
 }
 
 int main(int argc, char **argv) {
-  if ((argc != 4) && (argc != 5)) usage(argc, (argv[0] - 1));
+    if (argc != 4) usage(argc, (argv[0] - 1));
 
-  std::string file_name(argv[1]);
-  double threshold = atof(argv[2]);
-  int dim_max = atoi(argv[3]);
+    std::string file_name(argv[1]);
+    double threshold = atof(argv[2]);
+    int dim_max = atoi(argv[3]);
 
-  // Type definitions
-  using K = CGAL::Epick_d<CGAL::Dynamic_dimension_tag>;
-  using Point = typename K::Point_d;
-  //using Simplex_tree = Gudhi::Simplex_tree<>;
-  using Simplex_tree = Gudhi::Fake_simplex_tree;
-  using Filtration_value = Simplex_tree::Filtration_value;
-  using Rips_complex = Gudhi::rips_complex::Rips_complex<Filtration_value>;
-  using Point_vector = std::vector<Point>;
+    // Type definitions
+    using K = CGAL::Epick_d<CGAL::Dynamic_dimension_tag>;
+    using Point = typename K::Point_d;
+    //using Simplex_tree = Gudhi::Simplex_tree<>;
+    using Simplex_tree = Gudhi::Fake_simplex_tree;
+    using Filtration_value = Simplex_tree::Filtration_value;
+    using Rips_complex = Gudhi::rips_complex::Rips_complex<Filtration_value>;
+    using Point_vector = std::vector<Point>;
 
-  // ----------------------------------------------------------------------------
-  // Init of a Rips complex from an fvecs file
-  // ----------------------------------------------------------------------------
-  Point_vector point_vector;
-  Gudhi::load_points_from_fvecs_file<K>(file_name, std::back_insert_iterator< Point_vector >(point_vector));
+    // ----------------------------------------------------------------------------
+    // Init of a Rips complex from an fvecs file
+    // ----------------------------------------------------------------------------
+    Point_vector point_vector;
+    Gudhi::load_points_from_fvecs_file<K>(file_name, std::back_insert_iterator< Point_vector >(point_vector));
 
-  Rips_complex rips_complex_from_file(point_vector, threshold, Gudhi::Euclidean_distance());
+    Rips_complex rips_complex_from_file(point_vector, threshold, Gudhi::Euclidean_distance());
 
-  std::streambuf* streambufffer;
-  std::ofstream ouput_file_stream;
 
-  if (argc == 5) {
-    ouput_file_stream.open(std::string(argv[4]));
-    streambufffer = ouput_file_stream.rdbuf();
-  } else {
-    streambufffer = std::cout.rdbuf();
-  }
+    Simplex_tree stree;
 
-  Simplex_tree stree;
-  rips_complex_from_file.create_complex(stree, dim_max);
-  std::ostream output_stream(streambufffer);
+    clock_t start, end;
+    start = clock();
+    rips_complex_from_file.create_complex(stree, dim_max);
+    end = clock();
 
-  // ----------------------------------------------------------------------------
-  // Display information about the Rips complex
-  // ----------------------------------------------------------------------------
-  output_stream << "Rips complex is of dimension " << stree.dimension() <<
-                   " - " << stree.num_simplices() << " simplices." << std::endl;
+    std::cout << "Strong witness complex took "<< static_cast<double>(end - start) / CLOCKS_PER_SEC << " s." << std::endl;
+    std::cout << "Rips complex is of dimension " << stree.dimension() <<  " - " << stree.num_simplices() << " simplices." << std::endl;
 
-  ouput_file_stream.close();
-  return 0;
+    return 0;
 }