Timer Class Reference

Initialize the random-number-generator, using srand(time(NULL)). More...

#include <tools.h>

List of all members.

Public Member Functions
	Timer ()
	Default-Constructor.
void	start ()
	Starts the timer.
Timer &	stop ()
	Stops the timer.
	operator double () const
	Gives the elapsed time as double.
Static Public Member Functions
static void	print (ostream &out, double time)
	Prints the elapsed time.
Private Attributes
struct timeval	starttime
	Stores the starttime of this Timer.
struct timeval	endtime
	Stores the endtime of this Timer.
Friends
ostream &	operator<< (ostream &out, Timer &w)
	Output-operator.

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Detailed Description

Initialize the random-number-generator, using srand(time(NULL)).

A class to stop processor time. Uses getrusage.

Definition at line 249 of file tools.h.

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Constructor & Destructor Documentation

Timer::Timer

(

)

[inline]

Default-Constructor.

Calls start().

See also:

start()

Definition at line 278 of file tools.h.

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Member Function Documentation

void Timer::start

(

)

Starts the timer.

Calls getrusage to set starttime.

See also:

stop()

Timer& Timer::stop

(

)

Stops the timer.

Calls getrusage to set endtime.

Returns:

This Timer, so you can write "out << w.stop();" to print the time, which is used since this Timer was started.

See also:

start()

Timer::operator double

(

)

const

Gives the elapsed time as double.

Returns:

The time-difference between starttime and endtime in seconds with a precision of E-6.

static void Timer::print	(	ostream &	out,
		double	time
	)			[static]

Prints the elapsed time.

Prints the time-difference endtime-starttime in the format hour:minute:sec, where sec is printed with a precision of E-3 (milliseconds). You should have set the endtime by a call to stop().

Parameters:

out

The ostream to print to.

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Friends And Related Function Documentation

ostream& operator<<	(	ostream &	out,
		Timer &	w
	)			[friend]

Output-operator.

Calls print.

Parameters:

	out	The ostream to print to.
	w	The Timer to print.

See also:

print(ostream&)

Definition at line 256 of file tools.h.

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Member Data Documentation

struct timeval Timer::starttime [read, private]

Stores the starttime of this Timer.

Definition at line 265 of file tools.h.

struct timeval Timer::endtime [read, private]

Stores the endtime of this Timer.

Definition at line 268 of file tools.h.

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

• tools.h