Boolean variable implementation.
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Domain status access |
| static const int | BITS = 2 |
| | How many bits does the status have.
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| static const BoolStatus | ZERO = 0 |
| | Status of domain assigned to zero.
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| static const BoolStatus | ONE = 3 |
| | Status of domain assigned to one.
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| static const BoolStatus | NONE = 2 |
| | Status of domain not yet assigned.
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| BoolStatus | status (void) const |
| | Return current domain status.
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Value access |
| int | min (void) const |
| | Return minimum of domain.
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| int | max (void) const |
| | Return maximum of domain.
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| int | val (void) const |
| | Return assigned value (only if assigned).
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| int | med (void) const |
| | Return median of domain.
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| unsigned int | size (void) const |
| | Return size (cardinality) of domain.
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| unsigned int | width (void) const |
| | Return width of domain (distance between maximum and minimum).
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| unsigned int | regret_min (void) const |
| | Return regret of domain minimum (distance to next larger value).
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| unsigned int | regret_max (void) const |
| | Return regret of domain maximum (distance to next smaller value).
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Boolean domain tests |
| bool | zero (void) const |
| | Test whether variable is assigned to zero.
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| bool | one (void) const |
| | Test whether variable is assigned to one.
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| bool | none (void) const |
| | Test whether variable is not yet assigned.
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Domain tests |
| bool | range (void) const |
| | Test whether domain is a range.
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| bool | assigned (void) const |
| | Test whether variable is assigned.
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| bool | in (int n) const |
| | Test whether n is contained in domain.
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| bool | in (double n) const |
| | Test whether n is contained in domain.
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Domain update by value |
| ModEvent | lq (Space *home, int n) |
| | Restrict domain values to be less or equal than n.
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| ModEvent | lq (Space *home, double n) |
| | Restrict domain values to be less or equal than n.
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| ModEvent | gq (Space *home, int n) |
| | Restrict domain values to be greater or equal than n.
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| ModEvent | gq (Space *home, double n) |
| | Restrict domain values to be greater or equal than n.
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| ModEvent | nq (Space *home, int n) |
| | Restrict domain values to be different from n.
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| ModEvent | nq (Space *home, double n) |
| | Restrict domain values to be different from n.
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| ModEvent | eq (Space *home, int n) |
| | Restrict domain values to be equal to n.
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| ModEvent | eq (Space *home, double n) |
| | Restrict domain values to be equal to n.
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Domain update by iterator |
| Variable domains can be both updated by range and value iterators. Value iterators do not need to be strict in that the same value is allowed to occur more than once in the iterated sequence.
The argument depends must be true, if the iterator passed as argument depends on the variable implementation on which the operation is invoked. In this case, the variable implementation is only updated after the iterator has been consumed. Otherwise, the domain might be updated concurrently while following the iterator.
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| template<class I> |
| ModEvent | narrow_r (Space *home, I &i, bool depends=true) |
| | Replace domain by ranges described by i.
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| template<class I> |
| ModEvent | inter_r (Space *home, I &i, bool depends=true) |
| | Intersect domain with ranges described by i.
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| template<class I> |
| ModEvent | minus_r (Space *home, I &i, bool depends=true) |
| | Remove from domain the ranges described by i.
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| template<class I> |
| ModEvent | narrow_v (Space *home, I &i, bool depends=true) |
| | Replace domain by values described by i.
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| template<class I> |
| ModEvent | inter_v (Space *home, I &i, bool depends=true) |
| | Intersect domain with values described by i.
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| template<class I> |
| ModEvent | minus_v (Space *home, I &i, bool depends=true) |
| | Remove from domain the values described by i.
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Boolean update operations |
| ModEvent | zero (Space *home) |
| | Assign variable to zero.
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| ModEvent | one (Space *home) |
| | Assign variable to one.
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| ModEvent | zero_none (Space *home) |
| | Assign unassigned variable to zero.
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| ModEvent | one_none (Space *home) |
| | Assign unassigned variable to one.
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Dependencies |
| void | subscribe (Space *home, Propagator *p, PropCond pc, bool process=true) |
| | Subscribe propagator p to variable with propagation condition pc.
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| void | cancel (Space *home, Propagator *p, PropCond pc) |
| | Cancel subscription of propagator p with propagation condition pc.
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| void | subscribe (Space *home, Advisor *a) |
| | Subscribe advisor a to variable.
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| void | cancel (Space *home, Advisor *a) |
| | Cancel subscription of advisor a.
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Support for delta information for advisors |
| int | min (const Delta *d) const |
| | Return minimum value just pruned.
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| int | max (const Delta *d) const |
| | Return maximum value just pruned.
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| bool | any (const Delta *d) const |
| | Test whether arbitrary values got pruned.
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| static ModEvent | modevent (const Delta *d) |
| | Return modification event.
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Cloning |
| BoolVarImp * | copy (Space *home, bool share) |
| | Return copy of this variable.
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Reflection |
| Reflection::Arg * | spec (const Space *home, Reflection::VarMap &m) const |
| | Return specification.
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| static VarImpBase * | create (Space *home, Reflection::VarSpec &spec) |
| | Create variable implementation from specification.
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| static void | constrain (Space *home, VarImpBase *v, Reflection::VarSpec &spec) |
| | Constrain variable implementation using specification.
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Variable implementation-dependent propagator support |
| static void | schedule (Space *home, Propagator *p, ModEvent me) |
| | Schedule propagator p with modification event me.
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| static ModEventDelta | med (ModEvent me) |
| | Translate modification event me to modification event delta for view.
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Public Member Functions |
| | BoolVarImp (Space *home, int min, int max) |
| | Initialize with range domain.
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