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set-rel.hpp
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33 
34 #ifdef GECODE_HAS_SET_VARS
35 
36 namespace Gecode {
37 
38  /*
39  * Operations for set relations
40  *
41  */
43  SetCmpRel::SetCmpRel(const SetExpr& l0, SetRelType srt0, const SetExpr& r0)
44  : l(l0), r(r0), srt(srt0) {}
45 
47  SetRel::SetRel(void) {}
48 
50  SetRel::SetRel(const SetExpr& e0, SetRelType srt, const SetExpr& e1)
51  : _e0(e0), _srt(srt), _e1(e1) {}
52 
55  : _e0(r.l), _srt(r.srt), _e1(r.r) {}
56 
57  forceinline void
58  SetRel::post(Home home, bool t) const {
59  if (t)
60  _e0.post(home,_srt,_e1);
61  else if (_srt == SRT_EQ)
62  _e0.post(home,SRT_NQ,_e1);
63  else if (_srt == SRT_NQ)
64  _e0.post(home,SRT_EQ,_e1);
65  else {
66  BoolVar b(home,0,0);
67  _e0.post(home,b,true,_srt,_e1);
68  }
69  }
70 
71  forceinline void
72  SetRel::post(Home home, BoolVar b, bool t) const {
73  _e0.post(home,b,t,_srt,_e1);
74  }
75 
76 }
77 
78 #endif
79 
80 // STATISTICS: minimodel-any
SetRelType srt
Which relation.
Definition: minimodel.hh:1124
NodeType t
Type of node.
Definition: bool-expr.cpp:230
SetRelType
Common relation types for sets.
Definition: set.hh:643
NNF * l
Left subtree.
Definition: bool-expr.cpp:240
#define forceinline
Definition: config.hpp:185
Comparison relation (for two-sided comparisons)
Definition: minimodel.hh:1117
Set expressions
Definition: minimodel.hh:1060
SetRel(void)
Default constructor.
Definition: set-rel.hpp:47
void post(Home home, bool t) const
Post propagators for relation (or negated relation if t is false)
Definition: set-rel.hpp:58
struct Gecode::@593::NNF::@62::@63 b
For binary nodes (and, or, eqv)
Boolean integer variables.
Definition: int.hh:512
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition: set.hh:767
SetCmpRel(const SetExpr &l, SetRelType srt, const SetExpr &r)
Constructor.
Definition: set-rel.hpp:43
Equality ( )
Definition: set.hh:644
Disequality ( )
Definition: set.hh:645
Gecode toplevel namespace
Home class for posting propagators
Definition: core.hpp:853
SetVar post(Home home) const
Post propagators for expression.
Definition: set-expr.cpp:649