/usr/include/gecode/int/count/rel.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:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2003
*
* Last modified:
* $Date: 2012-09-07 17:31:22 +0200 (Fri, 07 Sep 2012) $ by $Author: schulte $
* $Revision: 13068 $
*
* 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.
*
*/
#include <gecode/int/rel.hh>
namespace Gecode { namespace Int { namespace Count {
/*
* Counting domain consistent equality
*
*/
template<class VY>
forceinline ViewTypeDesc
vtd(VY y) {
(void) y;
return VTD_VARVIEW;
}
template<>
forceinline ViewTypeDesc
vtd(const IntSet& y) {
(void) y;
return VTD_INTSET;
}
template<>
forceinline ViewTypeDesc
vtd(ConstIntView y) {
(void) y;
return VTD_CONSTVIEW;
}
template<>
forceinline ViewTypeDesc
vtd(ZeroIntView y) {
(void) y;
return VTD_CONSTVIEW;
}
forceinline void
subscribe(Space& home, Propagator& p, IntSet& y) {
(void) home; (void) p; (void) y;
}
template<class VY>
forceinline void
subscribe(Space& home, Propagator& p, VY y) {
y.subscribe(home, p, PC_INT_DOM);
}
forceinline void
cancel(Space& home, Propagator& p, IntSet& y) {
(void) home; (void) p;
y.~IntSet();
}
template<class VY>
forceinline void
cancel(Space& home, Propagator& p, VY y) {
y.cancel(home, p, PC_INT_DOM);
}
template<class VX>
forceinline RelTest
holds(VX x, ConstIntView y) {
return rtest_eq_dom(x,y.val());
}
template<class VX>
forceinline RelTest
holds(VX x, ZeroIntView) {
return rtest_eq_dom(x,0);
}
template<class VX>
forceinline RelTest
holds(VX x, const IntSet& y) {
if ((x.max() < y.min()) || (y.max() < x.min()))
return RT_FALSE;
ViewRanges<VX> rx(x);
IntSetRanges ry(y);
switch (Iter::Ranges::compare(rx,ry)) {
case Iter::Ranges::CS_SUBSET:
return RT_TRUE;
case Iter::Ranges::CS_DISJOINT:
return RT_FALSE;
case Iter::Ranges::CS_NONE:
return RT_MAYBE;
default:
GECODE_NEVER;
}
GECODE_NEVER;
return RT_MAYBE;
}
template<class VX>
forceinline RelTest
holds(VX x, VX y) {
return rtest_eq_dom(x,y);
}
template<class VX>
forceinline ExecStatus
post_true(Home home, VX x, ConstIntView y) {
GECODE_ME_CHECK(x.eq(home,y.val()));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, VX x, ZeroIntView) {
GECODE_ME_CHECK(x.eq(home,0));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, VX x, const IntSet& y) {
IntSetRanges ry(y);
GECODE_ME_CHECK(x.inter_r(home,ry,false));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, ViewArray<VX>& x, ConstIntView y) {
for (int i = x.size(); i--; )
GECODE_ME_CHECK(x[i].eq(home,y.val()));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, ViewArray<VX>& x, ZeroIntView) {
for (int i = x.size(); i--; )
GECODE_ME_CHECK(x[i].eq(home,0));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, ViewArray<VX>& x, const IntSet& y) {
for (int i = x.size(); i--; ) {
IntSetRanges ry(y);
GECODE_ME_CHECK(x[i].inter_r(home,ry,false));
}
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, VX x, ConstIntView y) {
GECODE_ME_CHECK(x.nq(home,y.val()));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, VX x, ZeroIntView) {
GECODE_ME_CHECK(x.nq(home,0));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, VX x, const IntSet& y) {
IntSetRanges ry(y);
GECODE_ME_CHECK(x.minus_r(home,ry,false));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, ViewArray<VX>& x, ConstIntView y) {
for (int i = x.size(); i--; )
GECODE_ME_CHECK(x[i].nq(home,y.val()));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, ViewArray<VX>& x, ZeroIntView) {
for (int i = x.size(); i--; )
GECODE_ME_CHECK(x[i].nq(home,0));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, ViewArray<VX>& x, const IntSet& y) {
for (int i = x.size(); i--; ) {
IntSetRanges ry(y);
GECODE_ME_CHECK(x[i].minus_r(home,ry,false));
}
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_true(Home home, ViewArray<VX>& x, VX y) {
ViewArray<VX> z(home,x.size()+1);
z[x.size()] = y;
for (int i = x.size(); i--; )
z[i] = x[i];
return Rel::NaryEqDom<VX>::post(home,z);
}
template<class VX>
forceinline ExecStatus
post_true(Home home, VX x, VX y) {
return Rel::EqDom<VX,VX>::post(home,x,y);
}
template<class VX>
forceinline ExecStatus
post_false(Home home, ViewArray<VX>& x, VX y) {
for (int i = x.size(); i--; )
GECODE_ES_CHECK(Rel::Nq<VX>::post(home,x[i],y));
return ES_OK;
}
template<class VX>
forceinline ExecStatus
post_false(Home home, VX x, VX y) {
return Rel::Nq<VX>::post(home,x,y);
}
template<class VX>
forceinline ExecStatus
prune(Space& home, ViewArray<VX>& x, ConstIntView) {
(void) home;
(void) x;
return ES_OK;
}
template<class VX>
forceinline ExecStatus
prune(Space& home, ViewArray<VX>& x, ZeroIntView) {
(void) home;
(void) x;
return ES_OK;
}
template<class VX>
forceinline ExecStatus
prune(Space& home, ViewArray<VX>& x, const IntSet& y) {
(void) home;
(void) x;
(void) y;
return ES_OK;
}
template<class VX>
forceinline ExecStatus
prune(Space& home, ViewArray<VX>& x, VX y) {
if (x.size() == 0)
return ES_OK;
Region r(home);
ViewRanges<VX>* rx = r.alloc<ViewRanges<VX> >(x.size());
for (int i=x.size(); i--; )
rx[i] = ViewRanges<VX>(x[i]);
Iter::Ranges::NaryUnion u(r, rx, x.size());
GECODE_ME_CHECK(y.inter_r(home, u, false));
return ES_OK;
}
}}}
// STATISTICS: int-prop
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