// run_timer_example.cpp ---------------------------------------------------// // Copyright Beman Dawes 2006, 2008 // Distributed under the Boost Software License, Version 1.0. // See http://www.boost.org/LICENSE_1_0.txt // See http://www.boost.org/libs/chrono for documentation. #include <boost/chrono/process_times.hpp> #include <cmath> int main( int argc, char * argv[] ) { const char * format = argc > 1 ? argv[1] : "%t cpu seconds\n"; int places = argc > 2 ? std::atoi( argv[2] ) : 2; boost::chrono::run_timer t( format, places ); for ( long i = 0; i < 10000; ++i ) std::sqrt( 123.456L ); // burn some time return 0; }