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pbs.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2015
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33 
34 #include <gecode/search/seq/pbs.hh>
35 
36 namespace Gecode { namespace Search { namespace Seq {
37 
38  bool
39  PortfolioStop::stop(const Statistics& s, const Options& o) {
40  if ((so != NULL) && so->stop(s,o)) {
41  ssi->done = false;
42  return true;
43  }
44  if (s.fail >= ssi->l) {
45  ssi->done = true;
46  return true;
47  }
48  return false;
49  }
50 
51 }}}
52 
53 // STATISTICS: search-seq
Search engine statistics
Definition: search.hh:147
Search engine options
Definition: search.hh:746
unsigned long int fail
Number of failed nodes in search tree.
Definition: search.hh:150
virtual bool stop(const Statistics &s, const Options &o)
Return true if portfolio engine must be stopped.
Definition: pbs.cpp:39
bool done
Whether search stopped because the slice is done.
Definition: pbs.hh:45
Gecode toplevel namespace
virtual bool stop(const Statistics &s, const Options &o)=0
Stop search, if returns true.
unsigned long int l
The current failure limit, incremented for each slice.
Definition: pbs.hh:47