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set-rel.hpp
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37 
38 #ifdef GECODE_HAS_SET_VARS
39 
40 namespace Gecode {
41 
42  /*
43  * Operations for set relations
44  *
45  */
47  SetCmpRel::SetCmpRel(const SetExpr& l0, SetRelType srt0, const SetExpr& r0)
48  : l(l0), r(r0), srt(srt0) {}
49 
51  SetRel::SetRel(void) {}
52 
54  SetRel::SetRel(const SetExpr& e0, SetRelType srt, const SetExpr& e1)
55  : _e0(e0), _srt(srt), _e1(e1) {}
56 
59  : _e0(r.l), _srt(r.srt), _e1(r.r) {}
60 
61  forceinline void
62  SetRel::post(Home home, bool t) const {
63  if (t)
64  _e0.post(home,_srt,_e1);
65  else if (_srt == SRT_EQ)
66  _e0.post(home,SRT_NQ,_e1);
67  else if (_srt == SRT_NQ)
68  _e0.post(home,SRT_EQ,_e1);
69  else {
70  BoolVar b(home,0,0);
71  _e0.post(home,b,true,_srt,_e1);
72  }
73  }
74 
75  forceinline void
76  SetRel::post(Home home, BoolVar b, bool t) const {
77  _e0.post(home,b,t,_srt,_e1);
78  }
79 
80 }
81 
82 #endif
83 
84 // STATISTICS: minimodel-any
NodeType t
Type of node.
Definition: bool-expr.cpp:234
SetRelType
Common relation types for sets.
Definition: set.hh:644
NNF * l
Left subtree.
Definition: bool-expr.cpp:244
void post(Home home, bool t) const
Post propagators for relation (or negated relation if t is false)
Definition: set-rel.hpp:62
Comparison relation (for two-sided comparisons)
Definition: minimodel.hh:1126
Set expressions
Definition: minimodel.hh:1069
SetRel(void)
Default constructor.
Definition: set-rel.hpp:51
NNF * r
Right subtree.
Definition: bool-expr.cpp:246
Boolean integer variables.
Definition: int.hh:491
SetCmpRel(const SetExpr &l, SetRelType srt, const SetExpr &r)
Constructor.
Definition: set-rel.hpp:47
#define forceinline
Definition: config.hpp:132
Equality ( )
Definition: set.hh:645
Disequality ( )
Definition: set.hh:646
struct Gecode::@518::NNF::@57::@58 b
For binary nodes (and, or, eqv)
Gecode toplevel namespace
Home class for posting propagators
Definition: core.hpp:717
SetVar post(Home home) const
Post propagators for expression.
Definition: set-expr.cpp:649