/usr/include/gecode/int/dom/set.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2004
*
* Last modified:
* $Date: 2011-11-18 16:02:48 +0100 (Fri, 18 Nov 2011) $ by $Author: schulte $
* $Revision: 12472 $
*
* 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 Dom {
template<class View, ReifyMode rm>
forceinline
ReIntSet<View,rm>::ReIntSet
(Home home, View x, const IntSet& s, BoolView b)
: ReUnaryPropagator<View,PC_INT_DOM,BoolView>(home,x,b), is(s) {
home.notice(*this,AP_DISPOSE);
}
template<class View, ReifyMode rm>
forceinline size_t
ReIntSet<View,rm>::dispose(Space& home) {
home.ignore(*this,AP_DISPOSE);
is.~IntSet();
(void) ReUnaryPropagator<View,PC_INT_DOM,BoolView>::dispose(home);
return sizeof(*this);
}
template<class View, ReifyMode rm>
ExecStatus
ReIntSet<View,rm>::post(Home home, View x, const IntSet& s, BoolView b) {
if (s.ranges() == 0) {
if (rm == RM_PMI)
return ES_OK;
GECODE_ME_CHECK(b.zero(home));
} else if (s.ranges() == 1) {
return ReRange<View,rm>::post(home,x,s.min(),s.max(),b);
} else if (b.one()) {
if (rm == RM_PMI)
return ES_OK;
IntSetRanges i_is(s);
GECODE_ME_CHECK(x.inter_r(home,i_is,false));
} else if (b.zero()) {
if (rm == RM_IMP)
return ES_OK;
IntSetRanges i_is(s);
GECODE_ME_CHECK(x.minus_r(home,i_is,false));
} else {
(void) new (home) ReIntSet<View,rm>(home,x,s,b);
}
return ES_OK;
}
template<class View, ReifyMode rm>
forceinline
ReIntSet<View,rm>::ReIntSet(Space& home, bool share, ReIntSet& p)
: ReUnaryPropagator<View,PC_INT_DOM,BoolView>(home,share,p) {
is.update(home,share,p.is);
}
template<class View, ReifyMode rm>
Actor*
ReIntSet<View,rm>::copy(Space& home, bool share) {
return new (home) ReIntSet(home,share,*this);
}
template<class View, ReifyMode rm>
ExecStatus
ReIntSet<View,rm>::propagate(Space& home, const ModEventDelta&) {
IntSetRanges i_is(is);
if (b.one()) {
if (rm != RM_PMI)
GECODE_ME_CHECK(x0.inter_r(home,i_is,false));
return home.ES_SUBSUMED(*this);
}
if (b.zero()) {
if (rm != RM_IMP)
GECODE_ME_CHECK(x0.minus_r(home,i_is,false));
return home.ES_SUBSUMED(*this);
}
{
ViewRanges<View> i_x(x0);
switch (Iter::Ranges::compare(i_x,i_is)) {
case Iter::Ranges::CS_SUBSET:
if (rm != RM_IMP)
GECODE_ME_CHECK(b.one_none(home));
return home.ES_SUBSUMED(*this);
case Iter::Ranges::CS_DISJOINT:
if (rm != RM_PMI)
GECODE_ME_CHECK(b.zero_none(home));
return home.ES_SUBSUMED(*this);
case Iter::Ranges::CS_NONE:
break;
default: GECODE_NEVER;
}
}
return ES_FIX;
}
}}}
// STATISTICS: int-prop
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