| 1 | // run_timer_example.cpp ---------------------------------------------------// |
| 2 | |
| 3 | // Copyright Beman Dawes 2006, 2008 |
| 4 | |
| 5 | // Distributed under the Boost Software License, Version 1.0. |
| 6 | // See http://www.boost.org/LICENSE_1_0.txt |
| 7 | |
| 8 | // See http://www.boost.org/libs/chrono for documentation. |
| 9 | |
| 10 | #include <boost/chrono/process_times.hpp> |
| 11 | #include <cmath> |
| 12 | |
| 13 | int main( int argc, char * argv[] ) |
| 14 | { |
| 15 | const char * format = argc > 1 ? argv[1] : "%t cpu seconds\n" ; |
| 16 | int places = argc > 2 ? std::atoi( nptr: argv[2] ) : 2; |
| 17 | |
| 18 | boost::chrono::run_timer t( format, places ); |
| 19 | |
| 20 | for ( long i = 0; i < 10000; ++i ) |
| 21 | std::sqrt( x: 123.456L ); // burn some time |
| 22 | |
| 23 | return 0; |
| 24 | } |
| 25 | |