Gecode::Int::Precede::Single< View > Class Template Reference
[Integer propagators]

Single value precedence propagator. More...

#include <precede.hh>

List of all members.

Classes
class	Index
	Advisors for views (by position in array) More...
Public Member Functions
virtual Propagator *	copy (Space &home)
	Copy propagator during cloning.
virtual PropCost	cost (const Space &, const ModEventDelta &) const
	Cost function.
virtual void	reschedule (Space &home)
	Schedule function.
virtual size_t	dispose (Space &home)
	Delete propagator and return its size.
virtual ExecStatus	advise (Space &home, Advisor &a, const Delta &d)
	Give advice to propagator.
virtual ExecStatus	propagate (Space &home, const ModEventDelta &med)
	Perform propagation.
Static Public Member Functions
static ExecStatus	post (Home home, ViewArray< View > &x, int s, int t)
	Post propagator that s precedes t in x.
Protected Member Functions
ExecStatus	updateAlpha (Space &home)
	Update the alpha pointer.
ExecStatus	updateBeta (Space &home)
	Update the beta pointer.
	Single (Home home, ViewArray< View > &x, int s, int t, int beta, int gamma)
	Constructor for posting.
	Single (Space &home, Single< View > &p)
	Constructor for cloning p.
Protected Attributes
Council< Index >	c
	The advisor council.
int	s
	The value s must precede t.
int	t
int	alpha
	Pointers updated during propagation.
int	beta
int	gamma

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Detailed Description

template<class View>
class Gecode::Int::Precede::Single< View >

Single value precedence propagator.

The propagator is based on: Yat Chiu Law and Jimmy H.M. Lee, Global Constraints for Integer and Set Value Precedence, CP 2004, 362--376.

Requires

 #include <gecode/int/precede.hh> 

Definition at line 61 of file precede.hh.

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Constructor & Destructor Documentation

template<class View >

Gecode::Int::Precede::Single< View >::Single	(	Home	home,
		ViewArray< View > &	x,
		int	s,
		int	t,
		int	beta,
		int	gamma
	)			[inline, protected]

Constructor for posting.

Definition at line 84 of file single.hpp.

template<class View >

Gecode::Int::Precede::Single< View >::Single	(	Space &	home,
		Single< View > &	p
	)			[inline, protected]

Constructor for cloning p.

Definition at line 128 of file single.hpp.

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Member Function Documentation

template<class View >

ExecStatus Gecode::Int::Precede::Single< View >::updateAlpha

(

Space &

home

)

[inline, protected]

Update the alpha pointer.

Definition at line 61 of file single.hpp.

template<class View >

ExecStatus Gecode::Int::Precede::Single< View >::updateBeta

(

Space &

home

)

[inline, protected]

Update the beta pointer.

Definition at line 72 of file single.hpp.

template<class View >

Propagator * Gecode::Int::Precede::Single< View >::copy

(

Space &

home

)

[inline, virtual]

Copy propagator during cloning.

Implements Gecode::Actor.

Definition at line 136 of file single.hpp.

template<class View >

PropCost Gecode::Int::Precede::Single< View >::cost	(	const Space &	,
		const ModEventDelta &
	)			const [inline, virtual]

Cost function.

Reimplemented from Gecode::NaryPropagator< View, PC_INT_NONE >.

Definition at line 171 of file single.hpp.

template<class View >

void Gecode::Int::Precede::Single< View >::reschedule

(

Space &

home

)

[inline, virtual]

Schedule function.

Reimplemented from Gecode::NaryPropagator< View, PC_INT_NONE >.

Definition at line 177 of file single.hpp.

template<class View >

size_t Gecode::Int::Precede::Single< View >::dispose

(

Space &

home

)

[inline, virtual]

Delete propagator and return its size.

Reimplemented from Gecode::NaryPropagator< View, PC_INT_NONE >.

Definition at line 160 of file single.hpp.

template<class View >

ExecStatus Gecode::Int::Precede::Single< View >::advise	(	Space &	home,
		Advisor &	a,
		const Delta &	d
	)			[inline, virtual]

Give advice to propagator.

Reimplemented from Gecode::Propagator.

Definition at line 183 of file single.hpp.

template<class View >

ExecStatus Gecode::Int::Precede::Single< View >::propagate	(	Space &	home,
		const ModEventDelta &	med
	)			[inline, virtual]

Perform propagation.

Implements Gecode::Propagator.

Definition at line 211 of file single.hpp.

template<class View >

ExecStatus Gecode::Int::Precede::Single< View >::post	(	Home	home,
		ViewArray< View > &	x,
		int	s,
		int	t
	)			[inline, static]

Post propagator that s precedes t in x.

Definition at line 96 of file single.hpp.

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Member Data Documentation

template<class View>

Council<Index> Gecode::Int::Precede::Single< View >::c [protected]

The advisor council.

Definition at line 75 of file precede.hh.

template<class View>

int Gecode::Int::Precede::Single< View >::s [protected]

The value s must precede t.

Definition at line 77 of file precede.hh.

template<class View>

int Gecode::Int::Precede::Single< View >::t [protected]

Definition at line 77 of file precede.hh.

template<class View>

int Gecode::Int::Precede::Single< View >::alpha [protected]

Pointers updated during propagation.

Definition at line 79 of file precede.hh.

template<class View>

int Gecode::Int::Precede::Single< View >::beta [protected]

Definition at line 79 of file precede.hh.

template<class View>

int Gecode::Int::Precede::Single< View >::gamma [protected]

Definition at line 79 of file precede.hh.

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

• gecode/int/precede.hh
• gecode/int/precede/single.hpp