mirror of https://github.com/CGAL/cgal
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
//! \file examples/Benchmark/leftturn.cpp
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// Measure the performance of the kernel predicate Left_turn_2
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#include <CGAL/basic.h>
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#ifndef CGAL_USE_BOOST_PROGRAM_OPTIONS
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#include <iostream>
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int main()
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{
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std::cout << "Sorry, this example needs boost program options ..."
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<< std::endl;
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return 0;
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}
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#else
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#include <CGAL/Cartesian.h>
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#include <CGAL/MP_Float.h>
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#include <CGAL/Quotient.h>
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#include <CGAL/Benchmark/Benchmark.hpp>
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#include <CGAL/Benchmark/Option_parser.hpp>
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typedef CGAL::Quotient<CGAL::MP_Float> NT;
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typedef CGAL::Cartesian<NT> Kernel;
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namespace cb = CGAL::benchmark;
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namespace po = boost::program_options;
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struct Help_exception {};
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template <class Kernel>
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class Bench_leftturn : public Kernel {
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public:
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typename Kernel::Point_2 p, q, r;
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typename Kernel::Left_turn_2 leftturn;
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Bench_leftturn()
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{
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leftturn = this->left_turn_2_object();
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p = typename Kernel::Point_2(0,0);
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q = typename Kernel::Point_2(1,1);
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r = typename Kernel::Point_2(0,1);
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}
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int init(void) { return 0; }
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void clean(void) {}
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void sync(void) {}
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void op(void) { leftturn(p, q, r); }
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};
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typedef Bench_leftturn<Kernel> My_bench_leftturn;
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int main(int argc, char * argv[])
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{
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po::options_description opts("Options");
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opts.add_options()("help,h", "print help message");
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cb::Option_parser bench_opts;
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opts.add(bench_opts.get_opts());
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po::variables_map var_map;
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try {
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po::store(po::command_line_parser(argc, argv).options(opts).run(), var_map);
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po::notify(var_map);
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if (var_map.count("help")) {
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std::cout << opts << std::endl;
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throw Help_exception();
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}
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} catch(Help_exception & /* e */) {
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return 0;
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} catch(std::exception & e) {
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std::cerr << e.what() << std::endl;
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return 1;
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}
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cb::Benchmark<My_bench_leftturn> bench("Leftturn", bench_opts.get_seconds());
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bench();
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return 0;
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}
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#endif
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