message: This should never have been commented out
diff: @@ -34,7 +34,7 @@ int main(int argc, char** argv) {
  std::cout << "To run this program please provide as an input two files with persistence diagrams. Each file " <<
  "should contain a birth-death pair per line. Third, optional parameter is an error bound on a bottleneck" <<
  " distance (set by default to zero). The program will now terminate \n";
  - //return -1;
  + return -1;
  }
  std::vector<std::pair<double, double>> diag1 = read_persistence_intervals_in_dimension(argv[1]);
  std::vector<std::pair<double, double>> diag2 = read_persistence_intervals_in_dimension(argv[2]);
  