diff options
Diffstat (limited to 'src/Alpha_complex/example/Alpha_complex_from_points.cpp')
| -rw-r--r-- | src/Alpha_complex/example/Alpha_complex_from_points.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/Alpha_complex/example/Alpha_complex_from_points.cpp b/src/Alpha_complex/example/Alpha_complex_from_points.cpp index 815e40d7..cd17af1e 100644 --- a/src/Alpha_complex/example/Alpha_complex_from_points.cpp +++ b/src/Alpha_complex/example/Alpha_complex_from_points.cpp @@ -4,13 +4,26 @@ #include <iostream> #include <string> #include <vector> +#include <limits> // for numeric limits typedef CGAL::Epick_d< CGAL::Dimension_tag<2> > Kernel; typedef Kernel::Point_d Point; typedef std::vector<Point> Vector_of_points; +void usage(int nbArgs, char * const progName) { + std::cerr << "Error: Number of arguments (" << nbArgs << ") is not correct\n"; + std::cerr << "Usage: " << progName << " [alpha_square_max_value]\n"; + std::cerr << " i.e.: " << progName << " 60.0\n"; + exit(-1); // ----- >> +} + int main(int argc, char **argv) { - double alpha_square_max_value = 60.0; + if ((argc != 1) && (argc != 2)) usage(argc, (argv[0] - 1)); + + // Delaunay complex if alpha_square_max_value is not given by the user. + double alpha_square_max_value = std::numeric_limits<double>::infinity(); + if (argc == 2) + alpha_square_max_value = atof(argv[1]); // ---------------------------------------------------------------------------- // Init of a list of points |