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gecode
search
stop.cpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2006
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*
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* Last modified:
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* $Date: 2013-07-11 12:30:18 +0200 (Thu, 11 Jul 2013) $ by $Author: schulte $
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* $Revision: 13840 $
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <
gecode/search.hh
>
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namespace
Gecode {
namespace
Search {
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/*
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* Stopping for node limit
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*
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*/
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bool
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NodeStop::stop
(
const
Statistics
& s,
const
Options
&) {
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return
s.
node
>
l
;
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}
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/*
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* Stopping for failure limit
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*
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*/
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bool
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FailStop::stop
(
const
Statistics
& s,
const
Options
&) {
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return
s.
fail
>
l
;
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}
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/*
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* Stopping for time limit
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*
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*/
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bool
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TimeStop::stop
(
const
Statistics
&,
const
Options
&) {
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return
t
.
stop
() >
l
;
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}
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/*
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* Stopping for meta search engines
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*
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*/
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bool
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MetaStop::stop
(
const
Statistics
& s,
const
Options
& o) {
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// Stop if the fail stop object for the engine says so
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if
(e_stop->
stop
(s,o)) {
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e_stopped =
true
;
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m_stat.
restart
++;
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return
true
;
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}
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// Stop if the stop object for the meta engine says so
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if
((m_stop != NULL) && m_stop->
stop
(m_stat+s,o)) {
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e_stopped =
false
;
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return
true
;
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}
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return
false
;
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}
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}}
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// STATISTICS: search-other