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// boost auto_timers_construction.cpp ------------------------------------------------//
// Copyright Beman Dawes 2007, 2011
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/timer for documentation.
//--------------------------------------------------------------------------------------//
// These constructors are in a separate file so that this translation unit will
// not be linked in except when one of the constructors is actually used. This
// is important since header <iostream> is required, and it incurs the cost of
// the standard stream objects even if they are not used.
//--------------------------------------------------------------------------------------//
// define BOOST_TIMER_SOURCE so that <boost/timer/config.hpp> knows
// the library is being built (possibly exporting rather than importing code)
#define BOOST_TIMER_SOURCE
#include <boost/timer/timer.hpp>
#include <iostream>
namespace
{
// CAUTION: must be identical to same constant in cpu_timer.cpp
const std::string default_fmt(" %ws wall, %us user + %ss system = %ts CPU (%p%)\n");
}
namespace boost
{
namespace timer
{
auto_cpu_timer::auto_cpu_timer(short places) // #1
: m_places(places), m_os(&std::cout), m_format(default_fmt) { start(); }
auto_cpu_timer::auto_cpu_timer(short places, const std::string& format) // #2
: m_places(places), m_os(&std::cout), m_format(format) { start(); }
auto_cpu_timer::auto_cpu_timer(const std::string& format) // #3
: m_places(default_places), m_os(&std::cout), m_format(format) { start(); }
} // namespace timer
} // namespace boost
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