WFMath::TimeDiff Class Reference

The difference between two timestamps. More...

#include <timestamp.h>

List of all members.

Public Member Functions
	TimeDiff ()
	construct an uninitialized TimeDiff
	TimeDiff (long msec)
	construct a TimeDiff of a given number of milliseconds
long	milliseconds () const
	Get the value of a TimeDiff in milliseconds.
std::pair< long, long >	full_time () const
	Get the value of a TimeDiff in (seconds, microseconds).
TimeDiff	operator- () const
	negate a TimeDiff
Friends
TimeDiff &	operator+= (TimeDiff &, const TimeDiff &)
	increment a TimeDiff
TimeDiff &	operator-= (TimeDiff &, const TimeDiff &)
	decrement a TimeDiff
TimeDiff	operator+ (const TimeDiff &a, const TimeDiff &b)
	add two TimeDiff instances
TimeDiff	operator- (const TimeDiff &a, const TimeDiff &b)
	subtract two TimeDiff instances
TimeStamp &	operator+= (TimeStamp &, const TimeDiff &)
	advance a TimeStamp by a TimeDiff
TimeStamp &	operator-= (TimeStamp &, const TimeDiff &)
	regress a TimeStamp by a TimeDiff
TimeStamp	operator+ (const TimeStamp &a, const TimeDiff &msec)
	find the result of advancing a TimeStamp
TimeStamp	operator- (const TimeStamp &a, const TimeDiff &msec)
	find the result of regressing a TimeStamp
TimeDiff	operator- (const TimeStamp &a, const TimeStamp &b)
	find the time difference between two time stamps

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Detailed Description

The difference between two timestamps.

This class implements the 'generic' subset of the interface in the fake class Shape, with the exception of the stream operators. It also has the full set of comparison * operators (<, <=, >, >=, ==, !=).

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Member Function Documentation

long WFMath::TimeDiff::milliseconds (   )  const

Get the value of a TimeDiff in milliseconds. WARNING! This function does not check for overflow, if the number of milliseconds is large

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The documentation for this class was generated from the following file:

• timestamp.h

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