/usr/include/ITK-4.5/itkRealTimeStamp.h is in libinsighttoolkit4-dev 4.5.0-3.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkRealTimeStamp_h
#define __itkRealTimeStamp_h
#include "itkRealTimeInterval.h"
#include "itkMacro.h"
#include <iostream>
namespace itk
{
/** \class RealTimeStamp
* \brief The RealTimeStamp is a data structure for representing time with high
* precision and a large dynamic range.
*
* This class represents time typically for applications that need to mark the
* time of acquisition of data with high precision (microseconds) and a large
* dynamic range (years).
*
* By default, the real time stamp is initialized to the origin of
* the Unix epoch. That is the time 00:00:00 UTC on 1 January 1970
* (or 1970-01-01T00:00:00Z ISO 8601)
*
* \sa RealTimeInterval
* \sa RealTimeClock
*
* \ingroup ITKCommon
*/
class ITKCommon_EXPORT RealTimeStamp
{
public:
typedef RealTimeStamp Self;
friend class RealTimeClock;
/** Constructor */
RealTimeStamp();
/** Destructor */
~RealTimeStamp();
/** Native type used to represent the time in different time units. */
typedef RealTimeInterval::TimeRepresentationType TimeRepresentationType;
/** Return time in multiple units. */
TimeRepresentationType GetTimeInMicroSeconds() const;
TimeRepresentationType GetTimeInMilliSeconds() const;
TimeRepresentationType GetTimeInSeconds() const;
TimeRepresentationType GetTimeInMinutes() const;
TimeRepresentationType GetTimeInHours() const;
TimeRepresentationType GetTimeInDays() const;
/** Arithmetic operations between RealTimeInterval and RealTimeStamp. */
RealTimeInterval operator-( const Self & ) const;
Self operator+( const RealTimeInterval & ) const;
Self operator-( const RealTimeInterval & ) const;
const Self & operator+=( const RealTimeInterval & );
const Self & operator-=( const RealTimeInterval & );
/** Comparison operations. */
bool operator>( const Self & ) const;
bool operator<( const Self & ) const;
bool operator==( const Self & ) const;
bool operator!=( const Self & ) const;
bool operator<=( const Self & ) const;
bool operator>=( const Self & ) const;
/** Default print out of a RealTimeStamp */
friend ITKCommon_EXPORT std::ostream & operator<<(std::ostream & os, const RealTimeStamp & v);
private:
typedef uint64_t SecondsCounterType;
typedef uint64_t MicroSecondsCounterType;
/** Constructor with values. Intentionally made private */
RealTimeStamp( SecondsCounterType, MicroSecondsCounterType );
typedef RealTimeInterval::SecondsDifferenceType SecondsDifferenceType;
typedef RealTimeInterval::MicroSecondsDifferenceType MicroSecondsDifferenceType;
/** Number of Seconds and Microseconds since... */
SecondsCounterType m_Seconds;
MicroSecondsCounterType m_MicroSeconds;
};
} // end of namespace itk
#endif // __itkRealTimeStamp_h
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