Gecode::Rnd Class Reference

Random number generator. More...

#include <gecode/kernel/data/rnd.hpp>

Public Member Functions
	Rnd (void)
	Default constructor that does not initialize the generator.
	Rnd (const Rnd &r)
	Initialize from generator r.
Rnd &	operator= (const Rnd &r)
	Assignment operator.
	~Rnd (void)
	Destructor.
	Rnd (unsigned int s)
	Initialize with seed s.
void	seed (unsigned int s)
	Set the current seed to s (initializes if needed).
void	time (void)
	Set current seed based on time (initializes if needed).
void	hw (void)
	Set current seed to hardware-based random number (initializes if needed).
unsigned int	seed (void) const
	Return current seed.
unsigned int	operator() (unsigned int n)
	Returns a random integer from the interval \([0\ldots n)\).
int	operator() (int n)
	Returns a random integer from the interval \([0\ldots n)\).
unsigned long long int	operator() (unsigned long long int n)
	Returns a random integer from the interval \([0\ldots n)\).
long long int	operator() (long long int n)
	Returns a random integer from the interval \([0\ldots n)\).
Public Member Functions inherited from Gecode::SharedHandle
	SharedHandle (void)
	Create shared handle with no object pointing to.
	SharedHandle (SharedHandle::Object *so)
	Create shared handle that points to shared object so.
	SharedHandle (const SharedHandle &sh)
	Copy constructor maintaining reference count.
SharedHandle &	operator= (const SharedHandle &sh)
	Assignment operator maintaining reference count.
	~SharedHandle (void)
	Destructor that maintains reference count.
	operator bool (void) const
	Whether handle points to an object.

Additional Inherited Members
Protected Member Functions inherited from Gecode::SharedHandle
SharedHandle::Object *	object (void) const
	Access to the shared object.
void	object (SharedHandle::Object *n)
	Modify shared object.

Detailed Description

Random number generator.

Definition at line 42 of file rnd.hpp.

Constructor & Destructor Documentation

Rnd() [1/3]

Gecode::Rnd::Rnd

(

void

)

Default constructor that does not initialize the generator.

Rnd() [2/3]

Gecode::Rnd::Rnd

(

const Rnd &

r

)

Initialize from generator r.

~Rnd()

Gecode::Rnd::~Rnd

(

void

)

Destructor.

Rnd() [3/3]

Gecode::Rnd::Rnd

(

unsigned int

s

)

Initialize with seed s.

Member Function Documentation

operator=()

Rnd & Gecode::Rnd::operator=

(

const Rnd &

r

)

Assignment operator.

seed() [1/2]

void Gecode::Rnd::seed

(

unsigned int

s

)

Set the current seed to s (initializes if needed).

time()

void Gecode::Rnd::time

(

void

)

Set current seed based on time (initializes if needed).

hw()

void Gecode::Rnd::hw

(

void

)

Set current seed to hardware-based random number (initializes if needed).

seed() [2/2]

unsigned int Gecode::Rnd::seed ( void ) const

inline

Return current seed.

Definition at line 156 of file rnd.hpp.

operator()() [1/4]

unsigned int Gecode::Rnd::operator() ( unsigned int n )

inline

Returns a random integer from the interval \([0\ldots n)\).

Definition at line 161 of file rnd.hpp.

operator()() [2/4]

int Gecode::Rnd::operator() ( int n )

inline

Returns a random integer from the interval \([0\ldots n)\).

Definition at line 166 of file rnd.hpp.

operator()() [3/4]

unsigned long long int Gecode::Rnd::operator() ( unsigned long long int n )

inline

Returns a random integer from the interval \([0\ldots n)\).

Definition at line 171 of file rnd.hpp.

operator()() [4/4]

long long int Gecode::Rnd::operator() ( long long int n )

inline

Returns a random integer from the interval \([0\ldots n)\).

Definition at line 176 of file rnd.hpp.

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

• gecode/kernel/data/rnd.hpp