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engine-base.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  * Contributing authors:
7  * Christian Schulte <schulte@gecode.org>
8  *
9  * Copyright:
10  * Christian Schulte, 2013
11  * Guido Tack, 2013
12  *
13  * Last modified:
14  * $Date: 2015-03-11 16:37:26 +0100 (Wed, 11 Mar 2015) $ by $Author: schulte $
15  * $Revision: 14437 $
16  *
17  * This file is part of Gecode, the generic constraint
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41 
42 namespace Gecode { namespace Search {
43 
44  template<class T>
47  : e(e0) {}
48  template<class T>
49  forceinline T*
51  return dynamic_cast<T*>(e->next());
52  }
53  template<class T>
56  return e->statistics();
57  }
58  template<class T>
59  forceinline bool
60  EngineBase<T>::stopped(void) const {
61  return e->stopped();
62  }
63  template<class T>
66  return e->nogoods();
67  }
68  template<class T>
71  delete e;
72  }
73  template<class T>
74  forceinline void*
75  EngineBase<T>::operator new(size_t s) {
76  return heap.ralloc(s);
77  }
78  template<class T>
79  forceinline void
80  EngineBase<T>::operator delete(void* p) {
81  heap.rfree(p);
82  }
83 
84 }}
85 
86 // STATISTICS: search-other
Search engine implementation interface
Definition: search.hh:601
Search engine statistics
Definition: search.hh:136
void rfree(void *p)
Free memory block starting at p.
Definition: heap.hpp:355
void * ralloc(size_t s)
Allocate s bytes from heap.
Definition: heap.hpp:341
virtual ~EngineBase(void)
Destructor.
Definition: engine-base.hpp:70
Heap heap
The single global heap.
Definition: heap.cpp:49
virtual T * next(void)
Return next solution (NULL, if none exists or search has been stopped)
Definition: engine-base.hpp:50
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
virtual Statistics statistics(void) const
Return statistics.
Definition: engine-base.hpp:55
Base-class for search engines.
Definition: search.hh:639
No-goods recorded from restarts.
Definition: core.hpp:1240
#define forceinline
Definition: config.hpp:170
Gecode toplevel namespace
virtual bool stopped(void) const
Check whether engine has been stopped.
Definition: engine-base.hpp:60
virtual NoGoods & nogoods(void)
Return no-goods (the no-goods are empty)
Definition: engine-base.hpp:65
EngineBase(Engine *e=NULL)
Constructor.
Definition: engine-base.hpp:46