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Boolean clause propagator (disjunctive) More...

#include <bool.hh>

Classes

class  Tagged
 Advisors for views (tagged whether for x or y) More...
 

Public Member Functions

virtual Actorcopy (Space &home)
 Copy propagator during cloning.
 
virtual ExecStatus advise (Space &home, Advisor &a, const Delta &d)
 Give advice to propagator.
 
virtual PropCost cost (const Space &home, const ModEventDelta &med) const
 Cost function (defined as low unary)
 
virtual void reschedule (Space &home)
 Schedule function.
 
virtual ExecStatus propagate (Space &home, const ModEventDelta &med)
 Perform propagation.
 
virtual size_t dispose (Space &home)
 Delete propagator and return its size.
 
- Public Member Functions inherited from Gecode::Propagator
ModEventDelta modeventdelta (void) const
 Return the modification event delta.
 
virtual void advise (Space &home, Advisor &a)
 Run advisor a to be run on failure in failed space.
 
double afc (void) const
 Return the accumlated failure count.
 
unsigned int id (void) const
 Return propagator id.
 
PropagatorGroup group (void) const
 Return group propagator belongs to.
 
void group (PropagatorGroup g)
 Add propagator to group g.
 
bool disabled (void) const
 Whether propagator is currently disabled.
 
- Public Member Functions inherited from Gecode::Actor
virtual ~Actor (void)
 To avoid warnings.
 

Static Public Member Functions

static ExecStatus post (Home home, ViewArray< VX > &x, ViewArray< VY > &y, VX z)
 Post propagator $ \bigvee_{i=0}^{|x|-1} x_i \vee \bigvee_{i=0}^{|x|-1} y_i = z$.
 
- Static Public Member Functions inherited from Gecode::Actor
static void * operator new (size_t s, Space &home)
 Allocate memory from space.
 
static void operator delete (void *p, Space &home)
 No-op for exceptions.
 
static void * operator new (size_t s)
 Not used.
 
static void operator delete (void *p)
 Not used.
 

Protected Member Functions

void cancel (Space &home)
 Cancel subscriptions.
 
 Clause (Home home, ViewArray< VX > &x, ViewArray< VY > &y, VX z)
 Constructor for posting.
 
 Clause (Space &home, Clause< VX, VY > &p)
 Constructor for cloning p.
 
- Protected Member Functions inherited from Gecode::Propagator
 Propagator (Home home)
 Constructor for posting.
 
 Propagator (Space &home, Propagator &p)
 Constructor for cloning p.
 
Propagatorfwd (void) const
 Return forwarding pointer during copying.
 
Kernel::GPI::Infogpi (void)
 Provide access to global propagator information.
 

Protected Attributes

ViewArray< VX > x
 Positive views.
 
ViewArray< VY > y
 Positive views (origin from negative variables)
 
VX z
 Result.
 
int n_zero
 The number of views assigned to zero in x and y.
 
Council< Taggedc
 The advisor council.
 

Detailed Description

template<class VX, class VY>
class Gecode::Int::Bool::Clause< VX, VY >

Boolean clause propagator (disjunctive)

Requires

Definition at line 492 of file bool.hh.

Constructor & Destructor Documentation

◆ Clause() [1/2]

template<class VX , class VY >
Gecode::Int::Bool::Clause< VX, VY >::Clause ( Home home,
ViewArray< VX > & x,
ViewArray< VY > & y,
VX z )
inlineprotected

Constructor for posting.

Definition at line 204 of file clause.hpp.

◆ Clause() [2/2]

template<class VX , class VY >
Gecode::Int::Bool::Clause< VX, VY >::Clause ( Space & home,
Clause< VX, VY > & p )
inlineprotected

Constructor for cloning p.

Definition at line 214 of file clause.hpp.

Member Function Documentation

◆ cancel()

template<class VX , class VY >
void Gecode::Int::Bool::Clause< VX, VY >::cancel ( Space & home)
inlineprotected

Cancel subscriptions.

Definition at line 293 of file clause.hpp.

◆ copy()

template<class VX , class VY >
Actor * Gecode::Int::Bool::Clause< VX, VY >::copy ( Space & home)
virtual

Copy propagator during cloning.

Implements Gecode::Actor.

Definition at line 238 of file clause.hpp.

◆ advise()

template<class VX , class VY >
ExecStatus Gecode::Int::Bool::Clause< VX, VY >::advise ( Space & home,
Advisor & a,
const Delta & d )
virtual

Give advice to propagator.

Reimplemented from Gecode::Propagator.

Definition at line 316 of file clause.hpp.

◆ cost()

template<class VX , class VY >
PropCost Gecode::Int::Bool::Clause< VX, VY >::cost ( const Space & home,
const ModEventDelta & med ) const
virtual

Cost function (defined as low unary)

Implements Gecode::Propagator.

Definition at line 287 of file clause.hpp.

◆ reschedule()

template<class VX , class VY >
void Gecode::Int::Bool::Clause< VX, VY >::reschedule ( Space & home)
virtual

Schedule function.

Implements Gecode::Propagator.

Definition at line 327 of file clause.hpp.

◆ propagate()

template<class VX , class VY >
ExecStatus Gecode::Int::Bool::Clause< VX, VY >::propagate ( Space & home,
const ModEventDelta & med )
virtual

Perform propagation.

Implements Gecode::Propagator.

Definition at line 345 of file clause.hpp.

◆ post()

template<class VX , class VY >
ExecStatus Gecode::Int::Bool::Clause< VX, VY >::post ( Home home,
ViewArray< VX > & x,
ViewArray< VY > & y,
VX z )
inlinestatic

Post propagator $ \bigvee_{i=0}^{|x|-1} x_i \vee \bigvee_{i=0}^{|x|-1} y_i = z$.

Definition at line 246 of file clause.hpp.

◆ dispose()

template<class VX , class VY >
size_t Gecode::Int::Bool::Clause< VX, VY >::dispose ( Space & home)
inlinevirtual

Delete propagator and return its size.

Reimplemented from Gecode::Actor.

Definition at line 307 of file clause.hpp.

Member Data Documentation

◆ x

template<class VX , class VY >
ViewArray<VX> Gecode::Int::Bool::Clause< VX, VY >::x
protected

Positive views.

Definition at line 495 of file bool.hh.

◆ y

template<class VX , class VY >
ViewArray<VY> Gecode::Int::Bool::Clause< VX, VY >::y
protected

Positive views (origin from negative variables)

Definition at line 497 of file bool.hh.

◆ z

template<class VX , class VY >
VX Gecode::Int::Bool::Clause< VX, VY >::z
protected

Result.

Definition at line 499 of file bool.hh.

◆ n_zero

template<class VX , class VY >
int Gecode::Int::Bool::Clause< VX, VY >::n_zero
protected

The number of views assigned to zero in x and y.

Definition at line 501 of file bool.hh.

◆ c

template<class VX , class VY >
Council<Tagged> Gecode::Int::Bool::Clause< VX, VY >::c
protected

The advisor council.

Definition at line 513 of file bool.hh.


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