/usr/include/gecode/int/view/cached.hpp is in libgecode-dev 4.4.0-5.
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:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2011
*
* Last modified:
* $Date: 2013-02-14 16:29:11 +0100 (Thu, 14 Feb 2013) $ by $Author: schulte $
* $Revision: 13292 $
*
* 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 {
/*
* Constructors and initialization
*
*/
template<class View>
forceinline
CachedView<View>::CachedView(void) : _size(0) {}
template<class View>
forceinline
CachedView<View>::CachedView(const View& y)
: DerivedView<View>(y), _firstRange(NULL), _lastRange(NULL),
_size(0) {}
/*
* Value access
*
*/
template<class View>
forceinline int
CachedView<View>::min(void) const {
return x.min();
}
template<class View>
forceinline int
CachedView<View>::max(void) const {
return x.max();
}
template<class View>
forceinline int
CachedView<View>::med(void) const {
return x.med();
}
template<class View>
forceinline int
CachedView<View>::val(void) const {
return x.val();
}
template<class View>
forceinline unsigned int
CachedView<View>::width(void) const {
return x.width();
}
template<class View>
forceinline unsigned int
CachedView<View>::size(void) const {
return x.size();
}
template<class View>
forceinline unsigned int
CachedView<View>::regret_min(void) const {
return x.regret_min();
}
template<class View>
forceinline unsigned int
CachedView<View>::regret_max(void) const {
return x.regret_max();
}
/*
* Domain tests
*
*/
template<class View>
forceinline bool
CachedView<View>::range(void) const {
return x.range();
}
template<class View>
forceinline bool
CachedView<View>::in(int n) const {
return x.in(n);
}
template<class View>
forceinline bool
CachedView<View>::in(long long int n) const {
return x.in(n);
}
/*
* Domain update by value
*
*/
template<class View>
forceinline ModEvent
CachedView<View>::lq(Space& home, int n) {
return x.lq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::lq(Space& home, long long int n) {
return x.lq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::le(Space& home, int n) {
return x.le(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::le(Space& home, long long int n) {
return x.le(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::gq(Space& home, int n) {
return x.gq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::gq(Space& home, long long int n) {
return x.gq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::gr(Space& home, int n) {
return x.gr(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::gr(Space& home, long long int n) {
return x.gr(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::nq(Space& home, int n) {
return x.nq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::nq(Space& home, long long int n) {
return x.nq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::eq(Space& home, int n) {
return x.eq(home,n);
}
template<class View>
forceinline ModEvent
CachedView<View>::eq(Space& home, long long int n) {
return x.eq(home,n);
}
/*
* Iterator-based domain update
*
*/
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::narrow_r(Space& home, I& i, bool depend) {
return x.narrow_r(home,i,depend);
}
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::inter_r(Space& home, I& i, bool depend) {
return x.inter_r(home,i,depend);
}
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::minus_r(Space& home, I& i, bool depend) {
return x.minus_r(home,i,depend);
}
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::narrow_v(Space& home, I& i, bool depend) {
return x.narrow_v(home,i,depend);
}
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::inter_v(Space& home, I& i, bool depend) {
return x.inter_v(home,i,depend);
}
template<class View>
template<class I>
forceinline ModEvent
CachedView<View>::minus_v(Space& home, I& i, bool depend) {
return x.minus_v(home,i,depend);
}
/*
* Propagator modification events
*
*/
template<class View>
forceinline ModEventDelta
CachedView<View>::med(ModEvent me) {
return View::med(me);
}
/*
* Delta information for advisors
*
*/
template<class View>
forceinline int
CachedView<View>::min(const Delta& d) const {
return x.min(d);
}
template<class View>
forceinline int
CachedView<View>::max(const Delta& d) const {
return x.max(d);
}
template<class View>
forceinline bool
CachedView<View>::any(const Delta& d) const {
return x.any(d);
}
/*
* Cloning
*
*/
template<class View>
void
CachedView<View>::update(Space& home, bool share, CachedView<View>& y) {
DerivedView<View>::update(home,share,y);
if (y._firstRange) {
_firstRange = new (home) RangeList(y._firstRange->min(),
y._firstRange->max(),NULL);
RangeList* cur = _firstRange;
for (RangeList* y_cur = y._firstRange->next(); y_cur != NULL;
y_cur = y_cur->next()) {
RangeList* next =
new (home) RangeList(y_cur->min(),y_cur->max(),NULL);
cur->next(next);
cur = next;
}
_lastRange = cur;
_size = y._size;
}
}
/*
* Cache operations
*
*/
template<class View>
void
CachedView<View>::initCache(Space& home, const IntSet& s) {
_firstRange = NULL;
for (int i=s.ranges(); i--;) {
_firstRange = new (home) RangeList(s.min(i),s.max(i),_firstRange);
if (i==s.ranges()-1)
_lastRange = _firstRange;
}
_size = s.size();
}
template<class View>
void
CachedView<View>::cache(Space& home) {
_firstRange->dispose(home,_lastRange);
ViewRanges<View> xr(x);
_firstRange = new (home) RangeList(xr.min(),xr.max(),NULL);
++xr;
RangeList* cur = _firstRange;
for (; xr(); ++xr) {
RangeList* next = new (home) RangeList(xr.min(),xr.max(),NULL);
cur->next(next);
cur = next;
}
_lastRange = cur;
_size = x.size();
}
template<class View>
forceinline bool
CachedView<View>::modified(void) const {
return x.size() != _size;
}
/**
* \brief %Range iterator for offset integer views
* \ingroup TaskActorIntView
*/
template<class View>
class ViewRanges<CachedView<View> >
: public ViewRanges<View> {
public:
/// \name Constructors and initialization
//@{
/// Default constructor
ViewRanges(void);
/// Initialize with ranges for view \a x
ViewRanges(const CachedView<View>& x);
/// Initialize with ranges for view \a x
void init(const CachedView<View>& x);
//@}
};
template<class View>
forceinline
ViewRanges<CachedView<View> >::ViewRanges(void) {}
template<class View>
forceinline
ViewRanges<CachedView<View> >::ViewRanges(const CachedView<View>& x) {
ViewRanges<IntView>::init(x.base());
}
template<class View>
forceinline void
ViewRanges<CachedView<View> >::init(const CachedView<View>& x) {
ViewRanges<View>::init(x.base());
}
template<class View>
forceinline
ViewDiffRanges<View>::ViewDiffRanges(void) {}
template<class View>
forceinline
ViewDiffRanges<View>::ViewDiffRanges(const CachedView<View>& x)
: cr(x._firstRange), dr(x.base()) {
Super::init(cr,dr);
}
template<class View>
forceinline void
ViewDiffRanges<View>::init(const CachedView<View>& x) {
cr.init(x._firstRange);
dr.init(x.base());
Super::init(cr,dr);
}
/*
* View comparison
*
*/
template<class View>
forceinline bool
same(const CachedView<View>& x, const CachedView<View>& y) {
return same(x.base(),y.base()) && (x.offset() == y.offset());
}
template<class View>
forceinline bool
before(const CachedView<View>& x, const CachedView<View>& y) {
return before(x.base(),y.base())
|| (same(x.base(),y.base()) && (x.offset() < y.offset()));
}
}}
// STATISTICS: int-var
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