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stop.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2006
00008  *
00009  *  Last modified:
00010  *     $Date: 2009-05-08 20:33:02 +0200 (Fri, 08 May 2009) $ by $Author: schulte $
00011  *     $Revision: 9047 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00038 namespace Gecode { namespace Search {
00039 
00040   /*
00041    * Base class
00042    *
00043    */
00044   forceinline
00045   Stop::Stop(void) {}
00046 
00047   forceinline
00048   Stop::~Stop(void) {}
00049 
00050 
00051 
00052   /*
00053    * Stopping for memory limit
00054    *
00055    */
00056 
00057   forceinline
00058   MemoryStop::MemoryStop(size_t l0) : l(l0) {}
00059 
00060   forceinline size_t
00061   MemoryStop::limit(void) const {
00062     return l;
00063   }
00064 
00065   forceinline void
00066   MemoryStop::limit(size_t l0) {
00067     l=l0;
00068   }
00069 
00070 
00071   /*
00072    * Stopping for node limit
00073    *
00074    */
00075 
00076   forceinline
00077   NodeStop::NodeStop(unsigned long int l0) : l(l0) {}
00078 
00079   forceinline unsigned long int
00080   NodeStop::limit(void) const {
00081     return l;
00082   }
00083 
00084   forceinline void
00085   NodeStop::limit(unsigned long int l0) {
00086     l=l0;
00087   }
00088 
00089 
00090   /*
00091    * Stopping for failure limit
00092    *
00093    */
00094 
00095   forceinline
00096   FailStop::FailStop(unsigned long int l0) : l(l0) {}
00097 
00098   forceinline unsigned long int
00099   FailStop::limit(void) const {
00100     return l;
00101   }
00102 
00103   forceinline void
00104   FailStop::limit(unsigned long int l0) {
00105     l=l0;
00106   }
00107 
00108 
00109   /*
00110    * Stopping for time limit
00111    *
00112    */
00113 
00114   forceinline
00115   TimeStop::TimeStop(unsigned long int l0)
00116     : l(l0) {
00117     t.start();
00118   }
00119 
00120   forceinline unsigned long int
00121   TimeStop::limit(void) const {
00122     return l;
00123   }
00124 
00125   forceinline void
00126   TimeStop::limit(unsigned long int l0) {
00127     l=l0;
00128   }
00129 
00130   forceinline void
00131   TimeStop::reset(void) {
00132     t.start();
00133   }
00134 
00135 }}
00136 
00137 // STATISTICS: search-other