1 files changed, 42 insertions, 0 deletions
diff --git a/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp b/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp
new file mode 100644
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--- /dev/null
+++ b/src/Persistence_representations/utilities/persistence_intervals/compute_number_of_dominant_intervals.cpp
@@ -0,0 +1,42 @@
+/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ *    Author(s):       Pawel Dlotko
+ *
+ *    Copyright (C) 2016 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#include <gudhi/Persistence_intervals.h>
+
+#include <iostream>
+#include <limits>
+#include <vector>
+#include <utility>
+
+using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals;
+
+int main(int argc, char** argv) {
+  std::cout << "This program compute the dominant intervals. A number of intervals to be displayed is a parameter of "
+               "this program. \n";
+  if (argc != 4) {
+    std::cout << "To run this program, please provide the name of a file with persistence diagram, dimension of "
+                 "intervals that should be taken into account (if your file contains only persistence pairs in a "
+                 "single dimension, set it up to -1) and number of dominant intervals you would like to get \n";
+    return 1;
+  }
+  int dim = atoi(argv[2]);
+  unsigned dimension = std::numeric_limits<unsigned>::max();
+  if (dim >= 0) {
+    dimension = (unsigned)dim;
+  }
+  Persistence_intervals p(argv[1], dimension);
+  std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(atoi(argv[3]));
+  std::cout << "Here are the dominant intervals : " << std::endl;
+  for (size_t i = 0; i != dominant_intervals.size(); ++i) {
+    std::cout << " " << dominant_intervals[i].first << "," << dominant_intervals[i].second << " " << std::endl;
+  }
+
+  return 0;
+}