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eqite.hpp
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37 
38 #include <algorithm>
39 
40 namespace Gecode { namespace Int { namespace Distinct {
41 
43  EqIte::EqIte(Home home, IntView x0, IntView x1, int d0, int d1)
44  : BinaryPropagator<IntView,PC_INT_DOM>(home,x0,x1), c0(d0), c1(d1) {}
45 
47  EqIte::EqIte(Space& home, bool share, EqIte& p)
48  : BinaryPropagator<IntView,PC_INT_DOM>(home,share,p),
49  c0(p.c0), c1(p.c1) {}
50 
51 
52  inline ExecStatus
53  EqIte::post(Home home, IntView x0, IntView x1, int c0, int c1) {
54  assert(!(x0.assigned() && (x0.val() == c0)) && x0.in(c0));
55  GECODE_ME_CHECK(x1.lq(home,std::max(x0.max(),c1)));
56  GECODE_ME_CHECK(x1.gq(home,std::min(x0.min(),c1)));
57  (void) new (home) EqIte(home,x0,x1,c0,c1);
58  return ES_OK;
59  }
60 
61 }}}
62 
63 // STATISTICS: int-prop
int val(void) const
Return assigned value (only if assigned)
Definition: int.hpp:70
const FloatNum max
Largest allowed float value.
Definition: float.hh:848
static ExecStatus post(Home home, IntView x0, IntView x1, int c0, int c1)
Post if-then-else propagator.
Definition: eqite.hpp:53
EqIte(Space &home, bool share, EqIte &p)
Constructor for cloning p.
Definition: eqite.hpp:47
Computation spaces.
Definition: core.hpp:1748
Gecode::IntSet d1(v1, 7)
bool in(int n) const
Test whether n is contained in domain.
Definition: int.hpp:101
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
const FloatNum min
Smallest allowed float value.
Definition: float.hh:850
ModEvent lq(Space &home, int n)
Restrict domain values to be less or equal than n.
Definition: int.hpp:115
Binary propagator.
Definition: propagator.hpp:89
int c0
The integer constant.
Definition: distinct.hh:317
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition: var-type.hpp:100
int min(void) const
Return minimum of domain.
Definition: int.hpp:58
#define GECODE_ME_CHECK(me)
Check whether modification event me is failed, and forward failure.
Definition: macros.hpp:56
Integer view for integer variables.
Definition: view.hpp:129
bool assigned(void) const
Test whether view is assigned.
Definition: view.hpp:478
ExecStatus
Definition: core.hpp:540
#define forceinline
Definition: config.hpp:173
ModEvent gq(Space &home, int n)
Restrict domain values to be greater or equal than n.
Definition: int.hpp:133
Execution is okay.
Definition: core.hpp:544
Equal-if-then-else domain-consistent propagator.
Definition: distinct.hh:312
Gecode toplevel namespace
int max(void) const
Return maximum of domain.
Definition: int.hpp:62
Home class for posting propagators
Definition: core.hpp:922