Generated on Fri Oct 19 11:24:53 2018 for Gecode by doxygen 1.6.3

bool.cpp

Go to the documentation of this file.
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  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 #include <gecode/int.hh>
00035 
00036 namespace Gecode { namespace Int {
00037 
00038   BoolVarImp BoolVarImp::s_one(1);
00039   BoolVarImp BoolVarImp::s_zero(0);
00040 
00041   ModEvent
00042   BoolVarImp::one_none(Space& home) {
00043     assert(none());
00044     bits() ^= (NONE ^ ONE);
00045     assert(one());
00046     IntDelta d(0);
00047     return notify(home,ME_BOOL_VAL,d);
00048   }
00049 
00050   ModEvent
00051   BoolVarImp::zero_none(Space& home) {
00052     assert(none());
00053     bits() ^= (NONE ^ ZERO);
00054     assert(zero());
00055     IntDelta d(1);
00056     return notify(home,ME_BOOL_VAL,d);
00057   }
00058 
00059   void
00060   BoolVarImp::subscribe(Space& home, Propagator& p, PropCond,
00061                         bool schedule) {
00062     // Subscription can be used with integer propagation conditions,
00063     // which must be remapped to the single Boolean propagation condition.
00064     BoolVarImpBase::subscribe(home,p,PC_BOOL_VAL,assigned(),schedule);
00065   }
00066 
00067   void
00068   BoolVarImp::reschedule(Space& home, Propagator& p, PropCond) {
00069     BoolVarImpBase::reschedule(home,p,PC_BOOL_VAL,assigned());
00070   }
00071 
00072   void
00073   BoolVarImp::subscribe(Space& home, Advisor& a, bool fail) {
00074     BoolVarImpBase::subscribe(home,a,assigned(),fail);
00075   }
00076 
00077 }}
00078 
00079 // STATISTICS: int-var