#include <boost/config/warning_disable.hpp>
#ifndef BOOST_FILESYSTEM_NO_DEPRECATED
-# define BOOST_FILESYSTEM_NO_DEPRECATED
+#define BOOST_FILESYSTEM_NO_DEPRECATED
#endif
#ifndef BOOST_SYSTEM_NO_DEPRECATED
-# define BOOST_SYSTEM_NO_DEPRECATED
+#define BOOST_SYSTEM_NO_DEPRECATED
#endif
#include <boost/timer/timer.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/cstdint.hpp>
-#include <boost/config.hpp>
-# if defined( BOOST_NO_STD_WSTRING )
-# error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
-# endif
-
#include <boost/detail/lightweight_main.hpp>
namespace fs = boost::filesystem;
using std::cout;
using std::endl;
-namespace
-{
- boost::int64_t max_cycles;
+namespace {
+boost::int64_t max_cycles;
- template <class STD_STRING>
- nanosecond_type time_ctor(const STD_STRING& s)
- {
+template< class STD_STRING >
+nanosecond_type time_ctor(const STD_STRING& s)
+{
boost::timer::auto_cpu_timer tmr;
boost::int64_t count = 0;
do
{
- fs::path p(s);
- ++count;
+ fs::path p(s);
+ ++count;
} while (count < max_cycles);
boost::timer::cpu_times elapsed = tmr.elapsed();
return elapsed.user + elapsed.system;
- }
+}
- nanosecond_type time_loop()
- {
+nanosecond_type time_loop()
+{
boost::timer::auto_cpu_timer tmr;
boost::int64_t count = 0;
do
{
- ++count;
+ ++count;
} while (count < max_cycles);
boost::timer::cpu_times elapsed = tmr.elapsed();
return elapsed.user + elapsed.system;
- }
-} // unnamed namespace
+}
+} // unnamed namespace
//--------------------------------------------------------------------------------------//
// main //
int cpp_main(int argc, char* argv[])
{
- if (argc != 2)
- {
- cout << "Usage: path_times <cycles-in-millions>\n";
- return 1;
- }
+ if (argc != 2)
+ {
+ cout << "Usage: path_times <cycles-in-millions>\n";
+ return 1;
+ }
- max_cycles = std::atoi(argv[1]) * 1000000LL;
- cout << "testing " << std::atoi(argv[1]) << " million cycles" << endl;
+ max_cycles = std::atoi(argv[1]) * 1000000LL;
+ cout << "testing " << std::atoi(argv[1]) << " million cycles" << endl;
- cout << "time_loop" << endl;
- nanosecond_type x = time_loop();
+ cout << "time_loop" << endl;
+ nanosecond_type x = time_loop();
- cout << "time_ctor with string" << endl;
- nanosecond_type s = time_ctor(std::string("/foo/bar/baz"));
+ cout << "time_ctor with string" << endl;
+ nanosecond_type s = time_ctor(std::string("/foo/bar/baz"));
- cout << "time_ctor with wstring" << endl;
- nanosecond_type w = time_ctor(std::wstring(L"/foo/bar/baz"));
+ cout << "time_ctor with wstring" << endl;
+ nanosecond_type w = time_ctor(std::wstring(L"/foo/bar/baz"));
- if (s > w)
- cout << "narrow/wide CPU-time ratio = " << long double(s)/w << endl;
- else
- cout << "wide/narrow CPU-time ratio = " << long double(w)/s << endl;
+ if (s > w)
+ cout << "narrow/wide CPU-time ratio = " << long double(s) / w << endl;
+ else
+ cout << "wide/narrow CPU-time ratio = " << long double(w) / s << endl;
- cout << "returning from main()" << endl;
- return 0;
+ cout << "returning from main()" << endl;
+ return 0;
}