/usr/include/gecode/int/branch/ngl.hpp is in libgecode-dev 4.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2013
*
* Last modified:
* $Date: 2013-07-08 19:23:25 +0200 (Mon, 08 Jul 2013) $ by $Author: schulte $
* $Revision: 13827 $
*
* 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.
*
*/
namespace Gecode { namespace Int { namespace Branch {
template<class View>
forceinline
EqNGL<View>::EqNGL(Space& home, View x, int n)
: ViewValNGL<View,int,PC_INT_VAL>(home,x,n) {}
template<class View>
forceinline
EqNGL<View>::EqNGL(Space& home, bool share, EqNGL& ngl)
: ViewValNGL<View,int,PC_INT_VAL>(home,share,ngl) {}
template<class View>
NGL*
EqNGL<View>::copy(Space& home, bool share) {
return new (home) EqNGL<View>(home,share,*this);
}
template<class View>
NGL::Status
EqNGL<View>::status(const Space&) const {
if (x.assigned())
return (x.val() == n) ? NGL::SUBSUMED : NGL::FAILED;
else
return x.in(n) ? NGL::NONE : NGL::FAILED;
}
template<class View>
ExecStatus
EqNGL<View>::prune(Space& home) {
return me_failed(x.nq(home,n)) ? ES_FAILED : ES_OK;
}
template<class View>
forceinline
NqNGL<View>::NqNGL(Space& home, View x, int n)
: ViewValNGL<View,int,PC_INT_DOM>(home,x,n) {}
template<class View>
forceinline
NqNGL<View>::NqNGL(Space& home, bool share, NqNGL& ngl)
: ViewValNGL<View,int,PC_INT_DOM>(home,share,ngl) {}
template<class View>
NGL*
NqNGL<View>::copy(Space& home, bool share) {
return new (home) NqNGL<View>(home,share,*this);
}
template<class View>
NGL::Status
NqNGL<View>::status(const Space&) const {
if (x.assigned())
return (x.val() == n) ? NGL::FAILED : NGL::SUBSUMED;
else
return x.in(n) ? NGL::NONE : NGL::SUBSUMED;
}
template<class View>
ExecStatus
NqNGL<View>::prune(Space& home) {
return me_failed(x.eq(home,n)) ? ES_FAILED : ES_OK;
}
template<class View>
forceinline
LqNGL<View>::LqNGL(Space& home, View x, int n)
: ViewValNGL<View,int,PC_INT_BND>(home,x,n) {}
template<class View>
forceinline
LqNGL<View>::LqNGL(Space& home, bool share, LqNGL& ngl)
: ViewValNGL<View,int,PC_INT_BND>(home,share,ngl) {}
template<class View>
NGL*
LqNGL<View>::copy(Space& home, bool share) {
return new (home) LqNGL<View>(home,share,*this);
}
template<class View>
NGL::Status
LqNGL<View>::status(const Space&) const {
if (x.max() <= n)
return NGL::SUBSUMED;
else if (x.min() > n)
return NGL::FAILED;
else
return NGL::NONE;
}
template<class View>
ExecStatus
LqNGL<View>::prune(Space& home) {
return me_failed(x.gr(home,n)) ? ES_FAILED : ES_OK;
}
template<class View>
forceinline
GqNGL<View>::GqNGL(Space& home, View x, int n)
: ViewValNGL<View,int,PC_INT_BND>(home,x,n) {}
template<class View>
forceinline
GqNGL<View>::GqNGL(Space& home, bool share, GqNGL& ngl)
: ViewValNGL<View,int,PC_INT_BND>(home,share,ngl) {}
template<class View>
NGL*
GqNGL<View>::copy(Space& home, bool share) {
return new (home) GqNGL<View>(home,share,*this);
}
template<class View>
NGL::Status
GqNGL<View>::status(const Space&) const {
if (x.min() >= n)
return NGL::SUBSUMED;
else if (x.max() < n)
return NGL::FAILED;
else
return NGL::NONE;
}
template<class View>
ExecStatus
GqNGL<View>::prune(Space& home) {
return me_failed(x.lq(home,n)) ? ES_FAILED : ES_OK;
}
}}}
// STATISTICS: int-branch
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