Generated on Sat Feb 7 2015 02:01:20 for Gecode by doxygen 1.8.9.1
bool.cpp
Go to the documentation of this file.
1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2006
8  *
9  * Last modified:
10  * $Date: 2009-02-05 11:48:53 +0100 (Thu, 05 Feb 2009) $ by $Author: schulte $
11  * $Revision: 8155 $
12  *
13  * This file is part of Gecode, the generic constraint
14  * development environment:
15  * http://www.gecode.org
16  *
17  * Permission is hereby granted, free of charge, to any person obtaining
18  * a copy of this software and associated documentation files (the
19  * "Software"), to deal in the Software without restriction, including
20  * without limitation the rights to use, copy, modify, merge, publish,
21  * distribute, sublicense, and/or sell copies of the Software, and to
22  * permit persons to whom the Software is furnished to do so, subject to
23  * the following conditions:
24  *
25  * The above copyright notice and this permission notice shall be
26  * included in all copies or substantial portions of the Software.
27  *
28  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35  *
36  */
37 
38 #include <gecode/int.hh>
39 
40 namespace Gecode { namespace Int {
41 
42  BoolVarImp BoolVarImp::s_one(1);
43  BoolVarImp BoolVarImp::s_zero(0);
44 
45  ModEvent
47  assert(none());
48  bits() ^= (NONE ^ ONE);
49  assert(one());
50  IntDelta d(0);
51  return notify(home,ME_BOOL_VAL,d);
52  }
53 
54  ModEvent
56  assert(none());
57  bits() ^= (NONE ^ ZERO);
58  assert(zero());
59  IntDelta d(1);
60  return notify(home,ME_BOOL_VAL,d);
61  }
62 
63 }}
64 
65 // STATISTICS: int-var
static const BoolStatus NONE
Status of domain not yet assigned.
Definition: var-imp.hpp:520
ModEvent zero_none(Space &home)
Assign unassigned variable to zero.
Definition: bool.cpp:55
int ModEvent
Type for modification events.
Definition: core.hpp:146
bool zero(void) const
Test whether variable is assigned to zero.
Definition: bool.hpp:135
Computation spaces.
Definition: core.hpp:1362
Gecode::IntSet d(v, 7)
static const BoolStatus ONE
Status of domain assigned to one.
Definition: var-imp.hpp:518
bool one(void) const
Test whether variable is assigned to one.
Definition: bool.hpp:139
bool none(void) const
Test whether variable is not yet assigned.
Definition: bool.hpp:143
static const BoolStatus ZERO
Status of domain assigned to zero.
Definition: var-imp.hpp:516
Integer delta information for advisors.
Definition: var-imp.hpp:55
Gecode::ModEvent notify(Gecode::Space &home, Gecode::ModEvent me, Gecode::Delta &d)
Notify that variable implementation has been modified with modification event me and delta informatio...
Definition: var-imp.hpp:260
ModEvent one_none(Space &home)
Assign unassigned variable to one.
Definition: bool.cpp:46
unsigned int bits(void) const
Provide access to free bits.
Gecode toplevel namespace
const Gecode::ModEvent ME_BOOL_VAL
Domain operation has resulted in a value (assigned variable)
Definition: var-type.hpp:116