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bab.cpp
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2009
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10  * $Date: 2013-07-11 12:30:18 +0200 (Thu, 11 Jul 2013) $ by $Author: schulte $
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37 
38 #include <gecode/search.hh>
40 #ifdef GECODE_HAS_THREADS
42 #endif
43 #include <gecode/search/support.hh>
44 
45 namespace Gecode { namespace Search {
46 
47  Engine*
48  bab(Space* s, const Options& o) {
49 #ifdef GECODE_HAS_THREADS
50  Options to = o.expand();
51  if (to.threads == 1.0)
52  return new WorkerToEngine<Sequential::BAB>(s,to);
53  else
54  return new Parallel::BAB(s,to);
55 #else
56  return new WorkerToEngine<Sequential::BAB>(s,o);
57 #endif
58  }
59 
60 }}
61 
62 // STATISTICS: search-other
Search engine options
Definition: search.hh:204
Engine * bab(Space *s, const Options &o)
Create branch and bound engine.
Definition: bab.cpp:48
Computation spaces.
Definition: core.hpp:1362
double threads
Number of threads to use.
Definition: search.hh:209
Options expand(void) const
Expand with real number of threads.
Definition: options.cpp:47
Parallel branch-and-bound engine
Definition: bab.hh:46
Gecode toplevel namespace
Virtualize a worker to an engine.
Definition: support.hh:51