SUMO - Simulation of Urban MObility

SUMOTime.cpp

Go to the documentation of this file.
00001 /****************************************************************************/
00007 // Variables, methods, and tools for internal time representation
00008 /****************************************************************************/
00009 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00010 // Copyright (C) 2001-2011 DLR (http://www.dlr.de/) and contributors
00011 /****************************************************************************/
00012 //
00013 //   This program is free software; you can redistribute it and/or modify
00014 //   it under the terms of the GNU General Public License as published by
00015 //   the Free Software Foundation; either version 2 of the License, or
00016 //   (at your option) any later version.
00017 //
00018 /****************************************************************************/
00019 // ===========================================================================
00020 // included modules
00021 // ===========================================================================
00022 #ifdef _MSC_VER
00023 #include <windows_config.h>
00024 #else
00025 #include <config.h>
00026 #endif
00027 
00028 #include <sstream>
00029 #include "SUMOTime.h"
00030 #include "TplConvert.h"
00031 
00032 
00033 // ===========================================================================
00034 // type definitions
00035 // ===========================================================================
00036 #ifdef HAVE_SUBSECOND_TIMESTEPS
00037 SUMOTime DELTA_T = 1000;
00038 #endif
00039 
00040 
00041 // ===========================================================================
00042 // method definitions
00043 // ===========================================================================
00044 SUMOTime
00045 string2time(const std::string& r) throw(EmptyData, NumberFormatException, ProcessError) {
00046     double time;
00047     std::istringstream buf(r);
00048     buf >> time;
00049     if (buf.fail()) {
00050         throw ProcessError("Input string '" + r + "' cannot be parsed as a time");
00051     } else {
00052         return TIME2STEPS(time);
00053     }
00054 }
00055 
00056 
00057 std::string
00058 time2string(SUMOTime t) throw() {
00059     // 123456 -> "12.34"
00060     std::ostringstream oss;
00061     oss.setf(oss.fixed);
00062     oss.precision(OUTPUT_ACCURACY);
00063     oss << STEPS2TIME(t);
00064     return oss.str();
00065 }
00066 
00067 
00068 /****************************************************************************/
00069 
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Friends Defines