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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2006
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <gecode/int.hh>
namespace Gecode { namespace Int {
BoolVarImp BoolVarImp::s_one(1);
BoolVarImp BoolVarImp::s_zero(0);
ModEvent
BoolVarImp::one_none(Space& home) {
assert(none());
bits() ^= (NONE ^ ONE);
assert(one());
IntDelta d(0);
return notify(home,ME_BOOL_VAL,d);
}
ModEvent
BoolVarImp::zero_none(Space& home) {
assert(none());
bits() ^= (NONE ^ ZERO);
assert(zero());
IntDelta d(1);
return notify(home,ME_BOOL_VAL,d);
}
void
BoolVarImp::subscribe(Space& home, Propagator& p, PropCond,
bool schedule) {
// Subscription can be used with integer propagation conditions,
// which must be remapped to the single Boolean propagation condition.
BoolVarImpBase::subscribe(home,p,PC_BOOL_VAL,assigned(),schedule);
}
void
BoolVarImp::reschedule(Space& home, Propagator& p, PropCond) {
BoolVarImpBase::reschedule(home,p,PC_BOOL_VAL,assigned());
}
void
BoolVarImp::subscribe(Space& home, Advisor& a, bool fail) {
BoolVarImpBase::subscribe(home,a,assigned(),fail);
}
}}
// STATISTICS: int-var
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