CGAL 4.7 - 2D Convex Hulls and Extreme Points: Convex_hull_2/ch_timing.cpp

\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.7 - 2D Convex Hulls and Extreme Points

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Convex_hull_2/ch_timing.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/convex_hull_traits_2.h>
#include <CGAL/ch_akl_toussaint.h>
#include <CGAL/ch_graham_andrew.h>
#include <CGAL/ch_eddy.h>
#include <CGAL/ch_bykat.h>
#include <CGAL/ch_jarvis.h>
#include <CGAL/ch_timing_2.h>
#include <fstream>
#include <vector>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef K::Point_2 Point_2;
int main( int argc, char* argv[] )
{
if (argc < 1 || argc > 3)
{
std::cerr << "Usage: " << argv[0] << " [data_file_name = files/CD500] ";
std::cerr << "[number_of_iterations = 10]" << std::endl;
std::exit(1);
}
std::ifstream F( (argc >= 2) ? argv[1] : "files/CD500");
CGAL::set_ascii_mode( F );
std::istream_iterator< Point_2> in_start( F );
std::istream_iterator< Point_2> in_end;
std::vector< Point_2 > V (in_start, in_end);
std::vector< Point_2 > VE = V;
int iterations = (argc == 3) ? std::atoi( argv[2] ) : 10;
CGAL::ch_timing(V.begin(), V.end(), VE.begin(), iterations, K() );
return 0;
}