115 int size(
void)
const;
175 virtual size_t dispose(
Space& home);
184 template<
class Char,
class Traits>
185 std::basic_ostream<Char,Traits>&
186 operator <<(std::basic_ostream<Char,Traits>& os,
198 :
Advisor(home,p,c), _info(i << 1) {}
212 return (
_info & 1) != 0;
239 x[
i].subscribe(home,*
new (home)
Idx(home,*
this,
c,
i),
true);
262 for (
int i=0;
i<
n;
i++) {
263 typename View::VarType xi(x[
i].varimp());
264 a[
i] = bm(home,xi,
i);
267 for (
int i=0;
i<
n;
i++)
276 assert((i >= 0) && (i <
n));
279 for (
int j=0; j<
n; j++)
305 assert((i >= 0) && (i <
object().
n));
342 template<
class Char,
class Traits>
343 std::basic_ostream<Char,Traits>&
344 operator <<(std::basic_ostream<Char,Traits>& os,
346 std::basic_ostringstream<Char,Traits> s;
347 s.copyfmt(os); s.width(0);
355 return os << s.str();
384 x[as.advisor().idx()].cancel(home,as.advisor(),
true);
387 return sizeof(*this);
421 int i = as.advisor().idx();
422 if (as.advisor().marked()) {
423 as.advisor().unmark();
426 as.advisor().dispose(home,
c);
double * a
Action values (more follow)
void mark(void)
Mark advisor as modified.
const PropCond PC_GEN_NONE
Propagation condition to be ignored (convenience)
bool marked(void *p)
Check whether p is marked.
virtual Propagator * copy(Space &home)
Copy propagator during cloning.
int size(void) const
Return size of array (number of elements)
void update(int i)
Update action value at position i.
ExecStatus ES_SUBSUMED(Propagator &p)
const double rescale_limit
Rescale action and afc values when larger than this.
Actor must always be disposed.
virtual ExecStatus advise(Space &home, Advisor &a, const Delta &d)
Give advice to propagator.
Council< Idx > c
The advisor council.
Action(void)
Construct as not yet intialized.
int size(void) const
Return number of action values.
Storage & object(void) const
Return object of correct type.
const ModEvent ME_GEN_ASSIGNED
Generic modification event: variable is assigned a value.
ViewArray< View > x
Array of views.
void acquire(void)
Acquire the mutex and possibly block.
Base-class for propagators.
void acquire(void)
Acquire mutex.
virtual void reschedule(Space &home)
Schedule function.
static PropCost record(void)
For recording information (no propagation allowed)
Class to iterate over advisors of a council.
void * mark(void *p)
Return marked pointer for unmarked pointer p.
void release(void)
Release mutex.
Propagation has computed fixpoint.
Storage(Home home, ViewArray< View > &x, double d, typename BranchTraits< typename View::VarType >::Merit bm)
Initialize action values.
Advisor with index and change information.
A mutex for mutual exclausion among several threads.
void release(void)
Release the mutex.
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (record so that propagator runs last)
Gecode::FloatVal c(-8, 8)
int p
Number of positive literals for node type.
static Support::Mutex m
Mutex to synchronize globally shared access.
int n
Number of negative literals for node type.
Gecode::IntArgs i({1, 2, 3, 4})
SharedHandle::Object * object(void) const
Access to the shared object.
int n
Number of action values.
bool marked(void) const
Whether advisor's view has been marked.
void update(int i)
Update action value at position i.
void decay(Space &home, double d)
Set decay factor to d.
double operator[](int i) const
Return action value at position i.
double invd
Inverse decay factor.
size_t size
The size of the propagator (used during subsumption)
#define GECODE_KERNEL_EXPORT
void * unmark(void *p)
Return unmarked pointer for a marked pointer p.
void notice(Actor &a, ActorProperty p, bool duplicate=false)
Notice actor property.
int idx(void) const
Get index of view.
int _info
Index and mark information.
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Generic domain change information to be supplied to advisors.
Idx(Space &home, Propagator &p, Council< Idx > &c, int i)
Constructor for creation.
void ignore(Actor &a, ActorProperty p, bool duplicate=false)
Ignore actor property.
Heap heap
The single global heap.
bool assigned(View x, int v)
Whether x is assigned to value v.
Action & operator=(const Action &a)
Assignment operator.
const double rescale
Rescale factor for action and afc values.
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Propagator for recording action information.
Action a
Access to action information.
static const Action def
Default (empty) action information.
Post propagator for SetVar x
Propagation has not computed fixpoint.
void unmark(void)
Mark advisor as unmodified.
Gecode toplevel namespace
void init(Home home, ViewArray< View > &x, double d, typename BranchTraits< typename View::VarType >::Merit bm)
Initialize for views x and decay factor d and action as defined by bm.
Class for action management.
#define GECODE_VTABLE_EXPORT
static ExecStatus post(Home home, ViewArray< View > &x, Action &a)
Post action recorder propagator.
void reschedule(Space &home, Propagator &p, IntSet &y)
Object for storing action values.
int size(void) const
Return size of array (number of elements)
int ModEventDelta
Modification event deltas.
Home class for posting propagators
struct Gecode::@593::NNF::@62::@64 a
For atomic nodes.
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.
Recorder(Space &home, Recorder< View > &p)
Constructor for cloning p.