1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ 2 /* 3 * Copyright (c) 2018 Lawrence Livermore National Laboratory 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation; 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * 18 * Author: Peter D. Barnes, Jr. <pdbarnes@llnl.gov> 19 */ 20 21 #include "log.h" 22 #include "time-printer.h" 23 #include "simulator.h" // Now() 24 #include "nstime.h" 25 26 #include <iomanip> 27 28 /** 29 * \file 30 * \ingroup time 31 * ns3::DefaultTimePrinter implementation. 32 */ 33 34 namespace ns3 { 35 36 NS_LOG_COMPONENT_DEFINE ("TimePrinter"); 37 38 void DefaultTimePrinter(std::ostream & os)39DefaultTimePrinter (std::ostream &os) 40 { 41 std::ios_base::fmtflags ff = os.flags (); // Save stream flags 42 std::streamsize oldPrecision = os.precision (); 43 os << std::fixed; 44 switch (Time::GetResolution ()) 45 { 46 // *NS_CHECK_STYLE_OFF* 47 case Time::US : os << std::setprecision (6); break; 48 case Time::NS : os << std::setprecision (9); break; 49 case Time::PS : os << std::setprecision (12); break; 50 case Time::FS : os << std::setprecision (15); break; 51 // *NS_CHECK_STYLE_ON* 52 53 default: 54 // default C++ precision of 5 55 os << std::setprecision (5); 56 } 57 os << Simulator::Now ().As (Time::S); 58 59 os << std::setprecision (oldPrecision); 60 os.flags (ff); // Restore stream flags 61 } 62 63 64 } // namespace ns3 65 66