MRPT  1.9.9
Classes | Macros | Typedefs | Functions
Time and date functions.

Detailed Description

Header: #include <mrpt/system/datetime.h>.

Library: [mrpt-system]

Defines types and functions to handle cross-platform timestamps. The basic type is mrpt::system::TTimeStamp, representing a high-resolution (100ns) Clock::time_point, compatible with all C++11 std::chrono functions.

There are also functions to convert forth and back to a double representation of timestamps: numbers just like UNIX epoch timestamps but with decimals for the fractionary part of seconds.

Collaboration diagram for Time and date functions.:

Classes

struct  mrpt::system::TTimeParts
 The parts of a date/time (it's like the standard 'tm' but with fractions of seconds). More...
 

Macros

#define INVALID_TIMESTAMP   mrpt::Clock::time_point()
 Represents an invalid timestamp, where applicable. More...
 

Typedefs

using mrpt::system::TTimeStamp = mrpt::Clock::time_point
 A system independent time type, it holds the the number of 100-nanosecond intervals since January 1, 1601 (UTC) as a mrpt::Clock::time_point (uint64_t). More...
 

Functions

mrpt::system::TTimeStamp mrpt::system::buildTimestampFromParts (const mrpt::system::TTimeParts &p)
 Builds a timestamp from the parts (Parts are in UTC) More...
 
mrpt::system::TTimeStamp mrpt::system::buildTimestampFromPartsLocalTime (const mrpt::system::TTimeParts &p)
 Builds a timestamp from the parts (Parts are in local time) More...
 
void mrpt::system::timestampToParts (TTimeStamp t, TTimeParts &p, bool localTime=false)
 Gets the individual parts of a date/time (days, hours, minutes, seconds) - UTC time or local time. More...
 
mrpt::system::TTimeStamp mrpt::system::getCurrentTime ()
 Returns the current (UTC) system time. More...
 
mrpt::system::TTimeStamp mrpt::system::now ()
 A shortcut for system::getCurrentTime. More...
 
mrpt::system::TTimeStamp mrpt::system::time_tToTimestamp (const double t)
 Transform from standard "time_t" (actually a double number, it can contain fractions of seconds) to TTimeStamp. More...
 
mrpt::system::TTimeStamp mrpt::system::time_tToTimestamp (const time_t &t)
 Transform from standard "time_t" to TTimeStamp. More...
 
double mrpt::system::timestampTotime_t (const mrpt::system::TTimeStamp t) noexcept
 Transform from TTimeStamp to standard "time_t" (actually a double number, it can contain fractions of seconds). More...
 
double mrpt::system::timestampToDouble (const mrpt::system::TTimeStamp t) noexcept
 Transform from TTimeStamp to standard "time_t" (actually a double number, it can contain fractions of seconds). More...
 
double mrpt::system::timeDifference (const mrpt::system::TTimeStamp t_first, const mrpt::system::TTimeStamp t_later)
 Returns the time difference from t1 to t2 (positive if t2 is posterior to t1), in seconds. More...
 
double mrpt::system::now_double ()
 Returns the current time, as a double (fractional version of time_t) instead of a TTimeStamp. More...
 
mrpt::system::TTimeStamp mrpt::system::timestampAdd (const mrpt::system::TTimeStamp tim, const double num_seconds)
 Shifts a timestamp the given amount of seconds (>0: forwards in time, <0: backwards) More...
 
std::string mrpt::system::formatTimeInterval (const double timeSeconds)
 Returns a formated string with the given time difference (passed as the number of seconds), as a string [H]H:MM:SS.MILLISECONDS. More...
 
std::string mrpt::system::dateTimeToString (const mrpt::system::TTimeStamp t)
 Convert a timestamp into this textual form (UTC time): YEAR/MONTH/DAY,HH:MM:SS.MMM. More...
 
std::string mrpt::system::dateTimeLocalToString (const mrpt::system::TTimeStamp t)
 Convert a timestamp into this textual form (in local time): YEAR/MONTH/DAY,HH:MM:SS.MMM. More...
 
std::string mrpt::system::dateToString (const mrpt::system::TTimeStamp t)
 Convert a timestamp into this textual form: YEAR/MONTH/DAY. More...
 
double mrpt::system::extractDayTimeFromTimestamp (const mrpt::system::TTimeStamp t)
 Returns the number of seconds ellapsed from midnight in the given timestamp. More...
 
std::string mrpt::system::timeToString (const mrpt::system::TTimeStamp t)
 Convert a timestamp into this textual form (UTC): HH:MM:SS.MMMMMM. More...
 
std::string mrpt::system::timeLocalToString (const mrpt::system::TTimeStamp t, unsigned int secondFractionDigits=6)
 Convert a timestamp into this textual form (in local time): HH:MM:SS.MMMMMM. More...
 
std::string mrpt::system::intervalFormat (const double seconds)
 This function implements time interval formatting: Given a time in seconds, it will return a string describing the interval with the most appropriate unit. More...
 
std::ostream & mrpt::system::operator<< (std::ostream &o, const TTimeStamp &t)
 Textual representation of a TTimeStamp as the plain number in time_since_epoch().count() More...
 

Macro Definition Documentation

◆ INVALID_TIMESTAMP

#define INVALID_TIMESTAMP   mrpt::Clock::time_point()

Represents an invalid timestamp, where applicable.

Definition at line 43 of file datetime.h.

Referenced by mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::_execGraphSlamStep(), mrpt::nav::CWaypointsNavigator::checkHasReachedTarget(), mrpt::obs::CObservationGPS::clear(), mrpt::system::dateTimeLocalToString(), mrpt::system::dateTimeToString(), mrpt::system::dateToString(), mrpt::apps::MonteCarloLocalization_Base::do_pf_localization(), mrpt::hwdrivers::CGPSInterface::doProcess(), mrpt::system::extractDayTimeFromTimestamp(), mrpt::maps::CPointCloudFilterByDistance::filter(), mrpt::obs::CRawlog::findObservationsByClassInRange(), mrpt::obs::CObservationVelodyneScan::generatePointCloudAlongSE3Trajectory(), mrpt::hwdrivers::CCameraSensor::getNextFrame(), mrpt::hwdrivers::CVelodyneScanner::getNextObservation(), mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::getTimeStamp(), mrpt::nav::CAbstractPTGBasedReactive::impl_waypoint_is_reachable(), mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::initClass(), mrpt::nav::CAbstractPTGBasedReactive::initialize(), mrpt::hwdrivers::CVelodyneScanner::initialize(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyGoodScanNow(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyNoScanReceived(), mrpt::hwdrivers::CVelodyneScanner::internal_read_PCAP_packet(), mrpt::hwdrivers::CVelodyneScanner::internal_receive_UDP_packet(), mrpt::nav::CAbstractPTGBasedReactive::TSentVelCmd::isValid(), mrpt::poses::FrameTransformer< 2 >::lookupTransform(), mrpt::nav::CWaypointsNavigator::onNavigateCommandReceived(), mrpt::slam::CMetricMapBuilderICP::processObservation(), mrpt::hwdrivers::CVelodyneScanner::receivePackets(), mrpt::nav::CAbstractPTGBasedReactive::TSentVelCmd::reset(), mrpt::maps::CLandmarksMap::saveToTextFile(), mrpt::obs::CObservationGasSensors::serializeFrom(), mrpt::obs::CObservationRFID::serializeFrom(), mrpt::obs::CObservationBeaconRanges::serializeFrom(), mrpt::obs::CObservationWirelessPower::serializeFrom(), mrpt::obs::CActionRobotMovement3D::serializeFrom(), mrpt::obs::CObservationRange::serializeFrom(), mrpt::obs::CObservationWindSensor::serializeFrom(), mrpt::obs::CObservationBearingRange::serializeFrom(), mrpt::obs::CActionRobotMovement2D::serializeFrom(), mrpt::obs::CObservationBatteryState::serializeFrom(), mrpt::obs::CObservationStereoImages::serializeFrom(), mrpt::obs::CSensoryFrame::serializeFrom(), mrpt::obs::CObservationGPS::serializeFrom(), mrpt::system::timeDifference(), mrpt::system::timeLocalToString(), and mrpt::system::timeToString().

Typedef Documentation

◆ TTimeStamp

A system independent time type, it holds the the number of 100-nanosecond intervals since January 1, 1601 (UTC) as a mrpt::Clock::time_point (uint64_t).

See also
system::getCurrentTime, system::timeDifference, INVALID_TIMESTAMP, TTimeParts

Definition at line 40 of file datetime.h.

Function Documentation

◆ buildTimestampFromParts()

TTimeStamp mrpt::system::buildTimestampFromParts ( const mrpt::system::TTimeParts p)

Builds a timestamp from the parts (Parts are in UTC)

See also
timestampToParts

Definition at line 74 of file datetime.cpp.

References mrpt::system::time_tToTimestamp(), and mrpt::system::os::timegm().

Referenced by mrpt::hwdrivers::CIMUXSens_MT4::doProcess(), mrpt::obs::gnss::UTC_time::getAsTimestamp(), mrpt::obs::gnss::Message_NMEA_RMC::getDateAsTimestamp(), mrpt::obs::gnss::Message_NMEA_ZDA::getDateAsTimestamp(), mrpt::hwdrivers::CVelodyneScanner::getNextObservation(), and mrpt::obs::CObservationGPS::GPS_time_to_UTC().

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◆ buildTimestampFromPartsLocalTime()

TTimeStamp mrpt::system::buildTimestampFromPartsLocalTime ( const mrpt::system::TTimeParts p)

Builds a timestamp from the parts (Parts are in local time)

See also
timestampToParts, buildTimestampFromParts

Definition at line 99 of file datetime.cpp.

References mrpt::system::time_tToTimestamp().

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◆ dateTimeLocalToString()

string mrpt::system::dateTimeLocalToString ( const mrpt::system::TTimeStamp  t)

Convert a timestamp into this textual form (in local time): YEAR/MONTH/DAY,HH:MM:SS.MMM.

See also
dateTimeToString

Definition at line 176 of file datetime.cpp.

References calcSecFractions(), mrpt::format(), and INVALID_TIMESTAMP.

Referenced by mrpt::nav::CWaypointsNavigator::checkHasReachedTarget(), mrpt::apps::MonteCarloLocalization_Base::do_pf_localization(), and mrpt::hwdrivers::CNTRIPEmitter::initialize().

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◆ dateTimeToString()

string mrpt::system::dateTimeToString ( const mrpt::system::TTimeStamp  t)

Convert a timestamp into this textual form (UTC time): YEAR/MONTH/DAY,HH:MM:SS.MMM.

See also
dateTimeLocalToString

Definition at line 154 of file datetime.cpp.

References calcSecFractions(), mrpt::format(), and INVALID_TIMESTAMP.

Referenced by mrpt::obs::CAction::getDescriptionAsText(), mrpt::obs::CObservation::getDescriptionAsText(), mrpt::obs::CObservationRotatingScan::getDescriptionAsText(), mrpt::obs::CObservationGPS::getDescriptionAsText(), mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::initResultsFile(), and TEST().

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◆ dateToString()

string mrpt::system::dateToString ( const mrpt::system::TTimeStamp  t)

Convert a timestamp into this textual form: YEAR/MONTH/DAY.

Definition at line 263 of file datetime.cpp.

References mrpt::format(), and INVALID_TIMESTAMP.

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◆ extractDayTimeFromTimestamp()

double mrpt::system::extractDayTimeFromTimestamp ( const mrpt::system::TTimeStamp  t)

Returns the number of seconds ellapsed from midnight in the given timestamp.

Definition at line 197 of file datetime.cpp.

References ASSERT_, ASSERTMSG_, INVALID_TIMESTAMP, MRPT_END, and MRPT_START.

Referenced by mrpt::maps::CLandmarksMap::saveToTextFile().

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◆ formatTimeInterval()

string mrpt::system::formatTimeInterval ( const double  timeSeconds)

Returns a formated string with the given time difference (passed as the number of seconds), as a string [H]H:MM:SS.MILLISECONDS.

See also
unitsFormat

Definition at line 124 of file datetime.cpp.

References mrpt::format().

Referenced by mrpt::hmtslam::CHMTSLAM::generateLogFiles(), and mrpt::slam::CMetricMapBuilderICP::processObservation().

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◆ getCurrentTime()

mrpt::system::TTimeStamp mrpt::system::getCurrentTime ( )
inline

◆ intervalFormat()

std::string mrpt::system::intervalFormat ( const double  seconds)

This function implements time interval formatting: Given a time in seconds, it will return a string describing the interval with the most appropriate unit.

E.g.: 1.23 year, 3.50 days, 9.3 hours, 5.3 minutes, 3.34 sec, 178.1 ms, 87.1 us.

See also
unitsFormat

E.g.: 1.23 year, 3.50 days, 9.3 hours, 5.3 minutes, 3.34 sec, 178.1 ms, 87.1 us.

Definition at line 283 of file datetime.cpp.

References mrpt::format().

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◆ now()

mrpt::system::TTimeStamp mrpt::system::now ( )
inline

A shortcut for system::getCurrentTime.

See also
getCurrentTime

Definition at line 86 of file datetime.h.

References mrpt::Clock::now().

Referenced by mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores(), mrpt::io::zip::compress_gz_data_block(), mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::computeMap(), mrpt::nav::CWaypointsNavigator::CWaypointsNavigator(), mrpt::detectors::CObjectDetection::detectObjects(), mrpt::hwdrivers::CRaePID::doProcess(), mrpt::hwdrivers::CIMUXSens_MT4::doProcess(), mrpt::hwdrivers::CIMUXSens::doProcess(), mrpt::hwdrivers::CGyroKVHDSP3000::doProcess(), mrpt::hwdrivers::CIMUIntersense::doProcess(), mrpt::hwdrivers::CSkeletonTracker::doProcess(), mrpt::hwdrivers::CNTRIPEmitter::doProcess(), mrpt::hwdrivers::CGPSInterface::doProcess(), mrpt::hwdrivers::CRoboPeakLidar::doProcessSimple(), mrpt::hwdrivers::CSickLaserUSB::doProcessSimple(), mrpt::hwdrivers::CCANBusReader::doProcessSimple(), mrpt::hwdrivers::CSickLaserSerial::doProcessSimple(), mrpt::hwdrivers::CHokuyoURG::doProcessSimple(), mrpt::nav::CRobot2NavInterfaceForSimulator_Holo::getCurrentPoseAndSpeeds(), mrpt::nav::CRobot2NavInterfaceForSimulator_DiffDriven::getCurrentPoseAndSpeeds(), mrpt::obs::gnss::Message_NMEA_RMC::getDateAsTimestamp(), mrpt::hwdrivers::CRaePID::getFullInfo(), mrpt::hwdrivers::CCameraSensor::getNextFrame(), mrpt::hwdrivers::CKinect::getNextObservation(), mrpt::hwdrivers::CImageGrabber_OpenCV::getObservation(), mrpt::hwdrivers::CEnoseModular::getObservation(), mrpt::hwdrivers::CImageGrabber_dc1394::getObservation(), mrpt::hwdrivers::CImageGrabber_FlyCapture2::getObservation(), mrpt::hwdrivers::CDUO3DCamera::getObservations(), mrpt::hwdrivers::CNationalInstrumentsDAQ::grabbing_thread(), mrpt::nav::CAbstractPTGBasedReactive::impl_waypoint_is_reachable(), mrpt::hwdrivers::CGPSInterface::implement_parser_NOVATEL_OEM6(), IMPLEMENTS_SERIALIZABLE(), mrpt::hwdrivers::CIMUXSens::initialize(), mrpt::hwdrivers::CNTRIPEmitter::initialize(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyGoodScanNow(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyNoScanReceived(), mrpt::hwdrivers::CVelodyneScanner::internal_read_PCAP_packet(), mrpt::hwdrivers::CVelodyneScanner::internal_receive_UDP_packet(), mrpt::system::MRPT_getCompilationDate(), mrpt::nav::CWaypointsNavigator::navigateWaypoints(), mrpt::hwdrivers::CGPSInterface::parse_NMEA(), mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep(), mrpt::hwdrivers::CVelodyneScanner::receivePackets(), mrpt::apps::RawlogGrabberApp::run(), run_pc_filter_test(), run_rnav_test(), mrpt::maps::CGasConcentrationGridMap2D::simulateAdvection(), TEST(), and mrpt::nav::CWaypointsNavigator::waypoints_navigationStep().

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◆ now_double()

double mrpt::system::now_double ( )
inline

Returns the current time, as a double (fractional version of time_t) instead of a TTimeStamp.

See also
now(), timestampTotime_t()

Definition at line 139 of file datetime.h.

References mrpt::system::getCurrentTime(), and mrpt::system::timestampTotime_t().

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◆ operator<<()

std::ostream & mrpt::system::operator<< ( std::ostream &  o,
const TTimeStamp t 
)

Textual representation of a TTimeStamp as the plain number in time_since_epoch().count()

Definition at line 303 of file datetime.cpp.

◆ time_tToTimestamp() [1/2]

mrpt::system::TTimeStamp mrpt::system::time_tToTimestamp ( const double  t)
inline

Transform from standard "time_t" (actually a double number, it can contain fractions of seconds) to TTimeStamp.

See also
timestampTotime_t

Definition at line 91 of file datetime.h.

References mrpt::Clock::fromDouble().

Referenced by mrpt::system::buildTimestampFromParts(), mrpt::system::buildTimestampFromPartsLocalTime(), mrpt::ros1bridge::fromROS(), mrpt::hwdrivers::CBoardENoses::getObservation(), mrpt::hwdrivers::CImageGrabber_FlyCapture2::getObservation(), mrpt::poses::CPoseInterpolatorBase< 3 >::loadFromTextFile(), TEST(), and mrpt::system::time_tToTimestamp().

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◆ time_tToTimestamp() [2/2]

mrpt::system::TTimeStamp mrpt::system::time_tToTimestamp ( const time_t &  t)

Transform from standard "time_t" to TTimeStamp.

See also
timestampTotime_t

Definition at line 45 of file datetime.cpp.

References mrpt::system::time_tToTimestamp().

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◆ timeDifference()

double mrpt::system::timeDifference ( const mrpt::system::TTimeStamp  t_first,
const mrpt::system::TTimeStamp  t_later 
)
inline

Returns the time difference from t1 to t2 (positive if t2 is posterior to t1), in seconds.

Definition at line 123 of file datetime.h.

References ASSERT_, INVALID_TIMESTAMP, MRPT_END, and MRPT_START.

Referenced by mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::_execGraphSlamStep(), mrpt::nav::CAbstractPTGBasedReactive::calc_move_candidate_scores(), mrpt::hwdrivers::CGPSInterface::doProcess(), mrpt::apps::RawlogGrabberApp::dump_verbose_info(), mrpt::maps::CPointCloudFilterByDistance::filter(), mrpt::poses::CRobot2DPoseEstimator::getCurrentEstimate(), mrpt::hwdrivers::CCameraSensor::getNextFrame(), mrpt::hwdrivers::CVelodyneScanner::getNextObservation(), mrpt::hwdrivers::CEnoseModular::getObservation(), mrpt::apps::ICP_SLAM_App_Live::impl_get_next_observations(), mrpt::nav::CAbstractPTGBasedReactive::impl_waypoint_is_reachable(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyGoodScanNow(), mrpt::hwdrivers::C2DRangeFinderAbstract::internal_notifyNoScanReceived(), mrpt::obs::CObservationGasSensors::CMOSmodel::inverse_MOSmodeling(), mrpt::topography::path_from_rtk_gps(), mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep(), mrpt::nav::CAbstractNavigator::performNavigationStepNavigating(), mrpt::apps::RawlogGrabberApp::process_observations_for_sf(), mrpt::poses::CRobot2DPoseEstimator::processUpdateNewOdometry(), mrpt::poses::CRobot2DPoseEstimator::processUpdateNewPoseLocalization(), mrpt::hwdrivers::CVelodyneScanner::receivePackets(), mrpt::maps::CGasConcentrationGridMap2D::simulateAdvection(), mrpt::system::CTimeLoggerEntry::stop(), TEST(), mrpt::nav::CAbstractNavigator::updateCurrentPoseAndSpeeds(), and mrpt::nav::CWaypointsNavigator::waypoints_navigationStep().

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◆ timeLocalToString()

string mrpt::system::timeLocalToString ( const mrpt::system::TTimeStamp  t,
unsigned int  secondFractionDigits = 6 
)

Convert a timestamp into this textual form (in local time): HH:MM:SS.MMMMMM.

Definition at line 222 of file datetime.cpp.

References calcSecFractions(), mrpt::format(), and INVALID_TIMESTAMP.

Referenced by mrpt::hwdrivers::CNTRIPEmitter::doProcess(), and mrpt::system::COutputLogger::TMsg::getAsString().

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◆ timestampAdd()

mrpt::system::TTimeStamp mrpt::system::timestampAdd ( const mrpt::system::TTimeStamp  tim,
const double  num_seconds 
)
inline

Shifts a timestamp the given amount of seconds (>0: forwards in time, <0: backwards)

Definition at line 146 of file datetime.h.

Referenced by mrpt::nav::CAbstractPTGBasedReactive::performNavigationStep(), run_pc_filter_test(), TEST(), and velodyne_scan_to_pointcloud().

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◆ timestampToDouble()

double mrpt::system::timestampToDouble ( const mrpt::system::TTimeStamp  t)
inlinenoexcept

Transform from TTimeStamp to standard "time_t" (actually a double number, it can contain fractions of seconds).

This function is just an (inline) alias of timestampTotime_t(), with a more significant name.

See also
time_tToTimestamp

Definition at line 116 of file datetime.h.

References mrpt::system::timestampTotime_t().

Referenced by mrpt::apps::KFSLAMApp::Run_KF_SLAM(), and TEST().

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◆ timestampToParts()

void mrpt::system::timestampToParts ( TTimeStamp  t,
TTimeParts p,
bool  localTime = false 
)

Gets the individual parts of a date/time (days, hours, minutes, seconds) - UTC time or local time.

See also
buildTimestampFromParts

Definition at line 50 of file datetime.cpp.

References ASSERT_, ASSERTMSG_, and mrpt::system::timestampTotime_t().

Referenced by mrpt::hwdrivers::CGPSInterface::doProcess(), mrpt::obs::gnss::UTC_time::getAsTimestamp(), mrpt::obs::gnss::Message_NMEA_RMC::getDateAsTimestamp(), mrpt::hwdrivers::CVelodyneScanner::getNextObservation(), mrpt::hwdrivers::CVelodyneScanner::receivePackets(), and mrpt::apps::RawlogGrabberApp::run().

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◆ timestampTotime_t()

double mrpt::system::timestampTotime_t ( const mrpt::system::TTimeStamp  t)
inlinenoexcept

Transform from TTimeStamp to standard "time_t" (actually a double number, it can contain fractions of seconds).

See also
time_tToTimestamp

Definition at line 105 of file datetime.h.

References mrpt::Clock::toDouble().

Referenced by mrpt::obs::CAction::getDescriptionAsText(), mrpt::obs::CObservation::getDescriptionAsText(), mrpt::obs::CObservationGPS::getDescriptionAsText(), mrpt::hwdrivers::CCameraSensor::getNextFrame(), mrpt::hwdrivers::CSwissRanger3DCamera::getNextObservation(), mrpt::system::now_double(), mrpt::obs::CObservationGasSensors::CMOSmodel::save_log_map(), mrpt::poses::CPoseInterpolatorBase< 3 >::saveInterpolatedToTextFile(), mrpt::poses::CPoseInterpolatorBase< 3 >::saveToTextFile(), TEST(), mrpt::hwdrivers::CCameraSensor::thread_save_images(), mrpt::system::timestampToDouble(), mrpt::system::timestampToParts(), and mrpt::ros1bridge::toROS().

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◆ timeToString()

string mrpt::system::timeToString ( const mrpt::system::TTimeStamp  t)

Convert a timestamp into this textual form (UTC): HH:MM:SS.MMMMMM.

Definition at line 244 of file datetime.cpp.

References calcSecFractions(), mrpt::format(), and INVALID_TIMESTAMP.

Referenced by mrpt::graphslam::CGraphSlamEngine< GRAPH_T >::_execGraphSlamStep(), mrpt::hwdrivers::CGPSInterface::doProcess(), and CGraphSlamHandler< GRAPH_T >::initOutputDir().

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