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00044 namespace Gecode { namespace Set { namespace RelOp {
00045
00046 template <class View0, class View1, class View2>
00047 forceinline
00048 SuperOfInter<View0,View1,View2>::SuperOfInter
00049 (Space* home, View0 y0, View1 y1, View2 y2)
00050 : MixTernaryPropagator<View0,PC_SET_ANY,View1,PC_SET_ANY,
00051 View2,PC_SET_CLUB>(home,y0,y1,y2) {}
00052
00053 template <class View0, class View1, class View2>
00054 forceinline
00055 SuperOfInter<View0,View1,View2>::SuperOfInter
00056 (Space* home, bool share, SuperOfInter<View0,View1,View2>& p)
00057 : MixTernaryPropagator<View0,PC_SET_ANY,View1,PC_SET_ANY,
00058 View2,PC_SET_CLUB>(home,share,p) {}
00059
00060 template <class View0, class View1, class View2>
00061 ExecStatus
00062 SuperOfInter<View0,View1,View2>::post(Space* home,
00063 View0 x0, View1 x1, View2 x2) {
00064 (void) new (home) SuperOfInter<View0,View1,View2>(home, x0, x1, x2);
00065 return ES_OK;
00066 }
00067
00068 template <class View0, class View1, class View2>
00069 Actor*
00070 SuperOfInter<View0,View1,View2>::copy(Space* home, bool share) {
00071 return new (home) SuperOfInter(home,share,*this);
00072 }
00073
00074 template <class View0, class View1, class View2>
00075 Support::Symbol
00076 SuperOfInter<View0,View1,View2>::ati(void) {
00077 return Reflection::mangle<View0,View1,View2>("Gecode::Set::RelOp::SuperOfInter");
00078 }
00079
00080 template <class View0, class View1, class View2>
00081 Reflection::ActorSpec
00082 SuperOfInter<View0,View1,View2>::spec(const Space* home,
00083 Reflection::VarMap& m) const {
00084 return MixTernaryPropagator<View0,PC_SET_ANY,View1,PC_SET_ANY,
00085 View2,PC_SET_CLUB>::spec(home, m, ati());
00086 }
00087
00088 template <class View0, class View1, class View2>
00089 void
00090 SuperOfInter<View0,View1,View2>::post(Space* home,
00091 Reflection::VarMap& vars,
00092 const Reflection::ActorSpec& spec) {
00093 spec.checkArity(3);
00094 View0 x0(home, vars, spec[0]);
00095 View1 x1(home, vars, spec[1]);
00096 View2 x2(home, vars, spec[2]);
00097 (void) new (home) SuperOfInter(home,x0,x1,x2);
00098 }
00099
00100 template <class View0, class View1, class View2>
00101 ExecStatus
00102 SuperOfInter<View0,View1,View2>::propagate(Space* home, ModEventDelta med) {
00103
00104 bool allassigned = x0.assigned() && x1.assigned() && x2.assigned();
00105
00106 ModEvent me0 = View0::me(med);
00107 ModEvent me1 = View1::me(med);
00108 ModEvent me2 = View2::me(med);
00109
00110 bool modified = false;
00111
00112 do {
00113
00114 if ( modified || Rel::testSetEventLB(me0,me1)) {
00115 GlbRanges<View0> lb0(x0);
00116 GlbRanges<View1> lb1(x1);
00117 Iter::Ranges::Inter<GlbRanges<View0>,GlbRanges<View1> >
00118 is(lb0, lb1);
00119
00120 GECODE_ME_CHECK_MODIFIED(modified,x2.includeI(home,is));
00121 }
00122
00123
00124
00125 if ( modified || Rel::testSetEventAnyB(me0,me1,me2)) {
00126 modified = false;
00127 GlbRanges<View1> lb12(x1);
00128 LubRanges<View2> ub22(x2);
00129 Iter::Ranges::Diff<GlbRanges<View1>, LubRanges<View2> >
00130 diff1(lb12, ub22);
00131
00132 GECODE_ME_CHECK_MODIFIED(modified, x0.excludeI(home,diff1));
00133
00134 GlbRanges<View0> lb01(x0);
00135 LubRanges<View2> ub23(x2);
00136 Iter::Ranges::Diff<GlbRanges<View0>, LubRanges<View2> >
00137 diff2(lb01, ub23);
00138
00139 GECODE_ME_CHECK_MODIFIED(modified, x1.excludeI(home,diff2));
00140 } else {
00141 modified = false;
00142 }
00143
00144
00145 if ( modified ||
00146 Rel::testSetEventCard(me0,me1,me2) ||
00147 Rel::testSetEventUB(me0,me1)
00148 ) {
00149
00150 LubRanges<View0> ub0(x0);
00151 LubRanges<View1> ub1(x1);
00152 Iter::Ranges::Union<LubRanges<View0>, LubRanges<View1> > u(ub0,ub1);
00153
00154 unsigned int m = Iter::Ranges::size(u);
00155
00156 if (m < x0.cardMin() + x1.cardMin()) {
00157 GECODE_ME_CHECK_MODIFIED(modified,
00158 x2.cardMin( home,
00159 x0.cardMin()+x1.cardMin() - m ) );
00160 }
00161 if (m + x2.cardMax() > x1.cardMin()) {
00162 GECODE_ME_CHECK_MODIFIED(modified,
00163 x0.cardMax( home,
00164 m+x2.cardMax()-x1.cardMin() ) );
00165 }
00166 if (m + x2.cardMax() > x0.cardMin()) {
00167 GECODE_ME_CHECK_MODIFIED(modified,
00168 x1.cardMax( home,
00169 m+x2.cardMax()-x0.cardMin() ) );
00170 }
00171 }
00172 } while (modified);
00173
00174
00175 if (shared(x0,x1,x2)) {
00176 if (allassigned) {
00177 return ES_SUBSUMED(this,home);
00178 } else {
00179 return ES_NOFIX;
00180 }
00181 } else {
00182 if (x0.assigned() + x1.assigned() + x2.assigned() >= 2) {
00183 return ES_SUBSUMED(this,home);
00184 } else {
00185 return ES_FIX;
00186 }
00187 }
00188
00189 }
00190
00191 }}}
00192
00193