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1.8.16
gecode
int
nvalues
sym-bit-matrix.hpp
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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, 2011
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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 <algorithm>
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namespace
Gecode
{
namespace
Int {
namespace
NValues {
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forceinline
int
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SymBitMatrix::pos
(
int
x
,
int
y
)
const
{
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assert(
x
<
y
);
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return
(
x
*(2*
n
-
x
-1)) / 2 +
y
-
x
- 1;
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}
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forceinline
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SymBitMatrix::SymBitMatrix
(
Region
&
r
,
int
n0)
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: Support::BitSet<
Region
>(
r
,static_cast<unsigned int>((n0*n0-n0)/2)),
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n
(n0) {}
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forceinline
bool
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SymBitMatrix::get
(
int
x
,
int
y
)
const
{
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assert(
x
!=
y
);
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if
(
x
>
y
)
std::swap
(
x
,
y
);
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return
Support::BitSet<Region>::get
(static_cast<unsigned int>(
pos
(
x
,
y
)));
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}
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forceinline
void
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SymBitMatrix::set
(
int
x
,
int
y
) {
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assert(
x
!=
y
);
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if
(
x
>
y
)
std::swap
(
x
,
y
);
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Support::BitSet<Region>::set
(static_cast<unsigned int>(
pos
(
x
,
y
)));
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}
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}}}
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// STATISTICS: int-prop
Gecode::x
Post propagator for SetVar x
Definition:
set.hh:767
Gecode::y
Post propagator for SetVar SetOpType SetVar y
Definition:
set.hh:767
Gecode::Support::BitSetBase::set
void set(unsigned int i)
Set bit i.
Definition:
bitset-base.hpp:595
Gecode::Int::NValues::SymBitMatrix::get
bool get(int x, int y) const
Is bit at position x, y set?
Definition:
sym-bit-matrix.hpp:50
Gecode
Gecode toplevel namespace
Gecode::Region
Handle to region.
Definition:
region.hpp:55
Gecode::r
Post propagator for SetVar SetOpType SetVar SetRelType r
Definition:
set.hh:767
Gecode::swap
IntRelType swap(IntRelType irt)
Return swapped relation type of irt.
Definition:
irt.hpp:37
Gecode::Support::BitSetBase::get
bool get(unsigned int i) const
Access value at bit i.
Definition:
bitset-base.hpp:590
Gecode::Int::NValues::SymBitMatrix::n
int n
Size of matrix.
Definition:
nvalues.hh:74
forceinline
#define forceinline
Definition:
config.hpp:185
n
int n
Number of negative literals for node type.
Definition:
bool-expr.cpp:234
Gecode::Int::NValues::SymBitMatrix::pos
int pos(int x, int y) const
Return position in matrix.
Definition:
sym-bit-matrix.hpp:39
Gecode::Int::NValues::SymBitMatrix::SymBitMatrix
SymBitMatrix(Region &r, int n)
Initialize matrix for dimension n by n.
Definition:
sym-bit-matrix.hpp:45
Gecode::Int::NValues::SymBitMatrix::set
void set(int x, int y)
Set bit at position x, y.
Definition:
sym-bit-matrix.hpp:57