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1.8.1.2
gecode
int
view-val-graph
comb-ptr-flag.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, 2003
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*
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* Last modified:
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* $Date: 2011-08-18 05:42:11 +1000 (Thu, 18 Aug 2011) $ by $Author: schulte $
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* $Revision: 12306 $
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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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namespace
Gecode {
namespace
Int {
namespace
ViewValGraph {
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template
<
class
T>
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forceinline
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CombPtrFlag<T>::CombPtrFlag
(T*
p1
, T*
p2
)
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: cpf(reinterpret_cast<ptrdiff_t>(p1) ^ reinterpret_cast<ptrdiff_t>(p2)) {}
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template
<
class
T>
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forceinline
T*
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CombPtrFlag<T>::ptr
(T* p)
const
{
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return
reinterpret_cast<
T*
>
((cpf&~1) ^ reinterpret_cast<ptrdiff_t>(p));
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}
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template
<
class
T>
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forceinline
int
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CombPtrFlag<T>::is_set
(
void
)
const
{
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return
static_cast<
int
>
(cpf&1);
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}
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template
<
class
T>
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forceinline
void
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CombPtrFlag<T>::set
(
void
) {
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cpf |= 1;
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}
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template
<
class
T>
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forceinline
void
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CombPtrFlag<T>::unset
(
void
) {
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cpf &= ~1;
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}
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template
<
class
T>
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forceinline
void
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CombPtrFlag<T>::init
(T*
p1
, T*
p2
) {
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cpf =
reinterpret_cast<
ptrdiff_t
>
(
p1
) ^ reinterpret_cast<ptrdiff_t>(p2);
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}
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}}}
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// STATISTICS: int-prop
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