Timer Class Reference

Timer. More...

#include <givtimer.h>

Public Member Functions
	Timer ()
void	clear ()
	Clear timer. More...
void	start ()
	Start timer. More...
void	stop ()
	Stop timer. More...
double	usertime () const
	total amount of second spent in user mode. More...
double	systime () const
	total amount of second spent in system mode. More...
double	realtime () const
	real total amount of second spent. More...
double	userElapsedTime ()
	User mode time spent since start. More...
double	sysElapsedTime ()
	System mode time spent since start. More...
double	realElapsedTime ()
	real total amount of second spent since start. More...
Timer &	operator= (const Timer &T)
const Timer	operator- (const Timer &T) const
const Timer	operator- ()
const Timer	operator+ (const Timer &T) const
const Timer	operator/ (const double) const
Timer &	operator+= (const Timer &T)
Timer &	operator-= (const Timer &T)
Timer &	operator/= (const double d)
std::ostream &	print (std::ostream &) const
size_t	count () const

Detailed Description

Timer.

Examples

examples/Integer/Fibonacci.C.

Constructor & Destructor Documentation

Timer()

Timer ( )

inline

Member Function Documentation

clear()

void clear

(

)

Clear timer.

Everything reset to 0. This need not be called before the first start since the constructor does it.

Examples

examples/Polynomial/highorder.C.

start()

void start

(

)

Start timer.

Starts the timer. If called after another start() or a stop(), it sets the timer to a totally fresh new start.

Examples

examples/Integer/Fibonacci.C.

stop()

void stop

(

)

Stop timer.

Stops the timer. The time since the previous start() is stored. If called again, stop() will store the time since the previous start() again, acting as a pause().

Precondition

start() should have been called before...

Examples

examples/Integer/Fibonacci.C.

usertime()

double usertime ( ) const

inline

total amount of second spent in user mode.

Returns

the user time elapsed between the latest start() and the latest stop().

Precondition

stop() is called before.

systime()

double systime ( ) const

inline

total amount of second spent in system mode.

Returns

the system time elapsed between the latest start() and the latest stop().

Precondition

stop() is called before.

realtime()

double realtime ( ) const

inline

real total amount of second spent.

Returns

the real total time elapsed between the latest start() and the latest stop().

Precondition

stop() is called before.

userElapsedTime()

double userElapsedTime ( )

inline

User mode time spent since start.

A call to stop() is useless.

Returns

elpased time (in seconds) since start() in user mode.

sysElapsedTime()

double sysElapsedTime ( )

inline

System mode time spent since start.

A call to stop() is useless.

Returns

elpased time (in seconds) since start() in system mode.

realElapsedTime()

double realElapsedTime ( )

inline

real total amount of second spent since start.

A call to stop() is useless.

Returns

elpased time (in seconds) since start().

operator=()

Timer & operator=

(

const Timer &

T

)

operator-() [1/2]

const Timer operator-

(

const Timer &

T

)

const

operator-() [2/2]

const Timer operator-

(

)

operator+()

const Timer operator+

(

const Timer &

T

)

const

operator/()

const Timer operator/

(

const double

nbiter

)

const

operator+=()

Timer& operator+= ( const Timer &  T )

inline

operator-=()

Timer& operator-= ( const Timer &  T )

inline

operator/=()

Timer& operator/= ( const double  d )

inline

print()

std::ostream & print

(

std::ostream &

o

)

const

count()

size_t count ( ) const

inline

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

• givtimer.h
• givtimer.C