n-ary less and less or equal propagator More...
#include <rel.hh>
Classes | |
class | Index |
Advisors for views (by position in array) More... | |
class | Pos |
Positions in view array that have to be propagated. More... | |
Public Member Functions | |
virtual Actor * | copy (Space &home, bool share) |
Copy propagator during cloning. More... | |
virtual PropCost | cost (const Space &home, const ModEventDelta &med) const |
Cost function. More... | |
virtual ExecStatus | advise (Space &home, Advisor &a, const Delta &d) |
Give advice to propagator. More... | |
virtual ExecStatus | propagate (Space &home, const ModEventDelta &med) |
Perform propagation. More... | |
virtual size_t | dispose (Space &home) |
Delete propagator and return its size. More... | |
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ModEventDelta | modeventdelta (void) const |
Return the modification event delta. More... | |
double | afc (const Space &home) const |
Return the accumlated failure count. More... | |
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Static Public Member Functions | |
static ExecStatus | post (Home home, ViewArray< View > &x) |
Post propagator for ![]() | |
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static void * | operator new (size_t s, Space &home) |
Allocate memory from space. More... | |
static void | operator delete (void *p, Space &home) |
No-op for exceptions. More... | |
Protected Member Functions | |
bool | empty (void) const |
Whether no more positions must be propagated. More... | |
int | pop (Space &home) |
Pop a position to be propagated and return it. More... | |
void | push (Space &home, int p) |
Push a new position p to be propagated. More... | |
NaryLqLe (Space &home, bool share, NaryLqLe< View, o > &p) | |
Constructor for cloning p. More... | |
NaryLqLe (Home home, ViewArray< View > &) | |
Constructor for posting. More... | |
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NaryPropagator (Space &home, bool share, NaryPropagator &p) | |
Constructor for cloning p. More... | |
NaryPropagator (Space &home, bool share, Propagator &p, ViewArray< View > &x) | |
Constructor for rewriting p during cloning. More... | |
NaryPropagator (Home home, ViewArray< View > &x) | |
Constructor for creation. More... | |
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Propagator (Home home) | |
Constructor for posting. More... | |
Propagator (Space &home, bool share, Propagator &p) | |
Constructor for cloning p. More... | |
Propagator * | fwd (void) const |
Return forwarding pointer during copying. More... | |
Protected Attributes | |
Council< Index > | c |
The advisor council. More... | |
Pos * | pos |
Stack of positions. More... | |
bool | run |
Whether the propagator is currently running. More... | |
int | n_subsumed |
Number of already subsumed advisors (or views) More... | |
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ViewArray< View > | x |
Array of views. More... | |
Static Protected Attributes | |
static const int | n_threshold = 7 |
Compact during cloning when more advisors than that are subsumed. More... | |
n-ary less and less or equal propagator
If o is 0, less or equal is propagated, if o is 1 less is propagated.
Requires
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Cost function.
Reimplemented from Gecode::NaryPropagator< View, PC_INT_NONE >.
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Give advice to propagator.
Reimplemented from Gecode::Propagator.
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Delete propagator and return its size.
Reimplemented from Gecode::NaryPropagator< View, PC_INT_NONE >.
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