diff options
author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-06-28 05:37:45 +0000 |
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committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-06-28 05:37:45 +0000 |
commit | 09925494f2d5010b05f11f418f2c10f99e2e0fdb (patch) | |
tree | 12aa108da3b0cf9bd7046426632b9d2d0d022077 /src/Bottleneck_distance/example/bottleneck_read_file_example.cpp | |
parent | d53ad3e2b527ec2df82b801a4026ffb77b97427d (diff) | |
parent | cdb39c39a60fe06009168c1ecb1d4ce5de0bed8c (diff) |
Merge of the branch read_persistence_from_file
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@2564 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: b534b8866e25cf86db1483d141ac217c82b36384
Diffstat (limited to 'src/Bottleneck_distance/example/bottleneck_read_file_example.cpp')
-rw-r--r-- | src/Bottleneck_distance/example/bottleneck_read_file_example.cpp | 36 |
1 files changed, 7 insertions, 29 deletions
diff --git a/src/Bottleneck_distance/example/bottleneck_read_file_example.cpp b/src/Bottleneck_distance/example/bottleneck_read_file_example.cpp index bde05825..238d99ad 100644 --- a/src/Bottleneck_distance/example/bottleneck_read_file_example.cpp +++ b/src/Bottleneck_distance/example/bottleneck_read_file_example.cpp @@ -20,9 +20,8 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#define CGAL_HAS_THREADS - #include <gudhi/Bottleneck.h> +#include <gudhi/reader_utils.h> #include <iostream> #include <vector> #include <utility> // for pair @@ -30,43 +29,22 @@ #include <sstream> #include <string> -std::vector< std::pair<double, double> > read_diagram_from_file(const char* filename) { - std::ifstream in; - in.open(filename); - std::vector< std::pair<double, double> > result; - if (!in.is_open()) { - std::cerr << "File : " << filename << " do not exist. The program will now terminate \n"; - throw "File do not exist \n"; - } - - std::string line; - while (!in.eof()) { - getline(in, line); - if (line.length() != 0) { - std::stringstream lineSS; - lineSS << line; - double beginn, endd; - lineSS >> beginn; - lineSS >> endd; - result.push_back(std::make_pair(beginn, endd)); - } - } - in.close(); - return result; -} // read_diagram_from_file - int main(int argc, char** argv) { if (argc < 3) { 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; } - std::vector< std::pair< double, double > > diag1 = read_diagram_from_file(argv[1]); - std::vector< std::pair< double, double > > diag2 = read_diagram_from_file(argv[2]); + 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]); + double tolerance = 0.; if (argc == 4) { tolerance = atof(argv[3]); } double b = Gudhi::persistence_diagram::bottleneck_distance(diag1, diag2, tolerance); std::cout << "The distance between the diagrams is : " << b << ". The tolerance is : " << tolerance << std::endl; + + return 0; } |