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bool-expr.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  *
6  * Copyright:
7  * Guido Tack, 2004
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9  * Last modified:
10  * $Date: 2012-02-22 16:04:20 +1100 (Wed, 22 Feb 2012) $ by $Author: tack $
11  * $Revision: 12537 $
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37 
38 namespace Gecode {
39 
40  /*
41  * Operations for expressions
42  *
43  */
45  BoolExpr::Node::Node(void) : use(1), m(NULL) {}
46 
48  BoolExpr::Node::~Node(void) { delete m; }
49 
50  forceinline void*
51  BoolExpr::Node::operator new(size_t size) {
52  return heap.ralloc(size);
53  }
54  forceinline void
55  BoolExpr::Node::operator delete(void* p, size_t) {
56  heap.rfree(p);
57  }
58 
59  forceinline void*
60  BoolExpr::MiscExpr::operator new(size_t size) {
61  return heap.ralloc(size);
62  }
63  forceinline void
64  BoolExpr::MiscExpr::operator delete(void* p, size_t) {
65  heap.rfree(p);
66  }
67 
69  BoolExpr::BoolExpr(const BoolExpr& e) : n(e.n) {
70  n->use++;
71  }
72 
73  inline BoolVar
74  BoolExpr::expr(Home home, IntConLevel icl) const {
75  Region r(home);
76  return NNF::nnf(r,n,false)->expr(home,icl);
77  }
78 
79  inline void
80  BoolExpr::rel(Home home, IntConLevel icl) const {
81  Region r(home);
82  return NNF::nnf(r,n,false)->rel(home,icl);
83  }
84 
85 }
86 
87 // STATISTICS: minimodel-any