diff options
Diffstat (limited to 'src/Alpha_complex/utilities/alpha_complex_persistence.cpp')
| -rw-r--r-- | src/Alpha_complex/utilities/alpha_complex_persistence.cpp | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/src/Alpha_complex/utilities/alpha_complex_persistence.cpp b/src/Alpha_complex/utilities/alpha_complex_persistence.cpp index 486347cc..7c898dfd 100644 --- a/src/Alpha_complex/utilities/alpha_complex_persistence.cpp +++ b/src/Alpha_complex/utilities/alpha_complex_persistence.cpp @@ -72,13 +72,10 @@ int main(int argc, char **argv) { // ---------------------------------------------------------------------------- // Display information about the alpha complex // ---------------------------------------------------------------------------- - std::cout << "Simplicial complex is of dimension " << simplex.dimension() << " - " << simplex.num_simplices() + std::clog << "Simplicial complex is of dimension " << simplex.dimension() << " - " << simplex.num_simplices() << " simplices - " << simplex.num_vertices() << " vertices." << std::endl; - // Sort the simplices in the order of the filtration - simplex.initialize_filtration(); - - std::cout << "Simplex_tree dim: " << simplex.dimension() << std::endl; + std::clog << "Simplex_tree dim: " << simplex.dimension() << std::endl; // Compute the persistence diagram of the complex Gudhi::persistent_cohomology::Persistent_cohomology<Simplex_tree, Gudhi::persistent_cohomology::Field_Zp> pcoh( simplex); @@ -91,7 +88,7 @@ int main(int argc, char **argv) { if (output_file_diag.empty()) { pcoh.output_diagram(); } else { - std::cout << "Result in file: " << output_file_diag << std::endl; + std::clog << "Result in file: " << output_file_diag << std::endl; std::ofstream out(output_file_diag); pcoh.output_diagram(out); out.close(); @@ -114,7 +111,7 @@ void program_options(int argc, char *argv[], std::string &off_file_points, bool "fast,f", po::bool_switch(&fast), "To activate fast version of Alpha complex (default is false, not available if exact is set)")( "output-file,o", po::value<std::string>(&output_file_diag)->default_value(std::string()), - "Name of file in which the persistence diagram is written. Default print in std::cout")( + "Name of file in which the persistence diagram is written. Default print in std::clog")( "max-alpha-square-value,r", po::value<Filtration_value>(&alpha_square_max_value) ->default_value(std::numeric_limits<Filtration_value>::infinity()), "Maximal alpha square value for the Alpha complex construction.")( @@ -135,17 +132,17 @@ void program_options(int argc, char *argv[], std::string &off_file_points, bool po::notify(vm); if (vm.count("help") || !vm.count("input-file")) { - std::cout << std::endl; - std::cout << "Compute the persistent homology with coefficient field Z/pZ \n"; - std::cout << "of an Alpha complex defined on a set of input points.\n \n"; - std::cout << "The output diagram contains one bar per line, written with the convention: \n"; - std::cout << " p dim b d \n"; - std::cout << "where dim is the dimension of the homological feature,\n"; - std::cout << "b and d are respectively the birth and death of the feature and \n"; - std::cout << "p is the characteristic of the field Z/pZ used for homology coefficients." << std::endl << std::endl; - - std::cout << "Usage: " << argv[0] << " [options] input-file" << std::endl << std::endl; - std::cout << visible << std::endl; + std::clog << std::endl; + std::clog << "Compute the persistent homology with coefficient field Z/pZ \n"; + std::clog << "of an Alpha complex defined on a set of input points.\n \n"; + std::clog << "The output diagram contains one bar per line, written with the convention: \n"; + std::clog << " p dim b d \n"; + std::clog << "where dim is the dimension of the homological feature,\n"; + std::clog << "b and d are respectively the birth and death of the feature and \n"; + std::clog << "p is the characteristic of the field Z/pZ used for homology coefficients." << std::endl << std::endl; + + std::clog << "Usage: " << argv[0] << " [options] input-file" << std::endl << std::endl; + std::clog << visible << std::endl; exit(-1); } } |