00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040 #include <gecode/set.hh>
00041
00042 #include <gecode/set/int.hh>
00043 #include <gecode/set/rel.hh>
00044
00045 namespace Gecode {
00046
00047 void
00048 rel(Home home, SetVar s, IntRelType r, IntVar x) {
00049 if (home.failed()) return;
00050 switch (r) {
00051 case IRT_EQ:
00052 {
00053 Gecode::Int::IntView xv(x);
00054 Set::SingletonView xsingle(xv);
00055 GECODE_ES_FAIL(
00056 (Set::Rel::Eq<Set::SetView,Set::SingletonView>
00057 ::post(home,s,xsingle)));
00058
00059 }
00060 break;
00061 case IRT_NQ:
00062 {
00063 Gecode::Set::SetView sv(s);
00064 GECODE_ME_FAIL( sv.cardMin(home, 1));
00065 Gecode::Int::IntView xv(x);
00066 Set::SingletonView xsingle(xv);
00067 GECODE_ES_FAIL(
00068 (Set::Rel::NoSubset<Set::SingletonView,Set::SetView>
00069 ::post(home,xsingle,sv)));
00070
00071 }
00072 break;
00073 case IRT_LQ:
00074 {
00075 IntVar tmp(home, Int::Limits::min, Int::Limits::max);
00076 rel(home, tmp, IRT_LQ, x);
00077 GECODE_ES_FAIL(Set::Int::MaxElement<Set::SetView>::post(home,s,tmp));
00078 }
00079 break;
00080 case IRT_LE:
00081 {
00082 IntVar tmp(home, Int::Limits::min, Int::Limits::max);
00083 rel(home, tmp, IRT_LE, x);
00084 GECODE_ES_FAIL(Set::Int::MaxElement<Set::SetView>::post(home,s,tmp));
00085 }
00086 break;
00087 case IRT_GQ:
00088 {
00089 IntVar tmp(home, Int::Limits::min, Int::Limits::max);
00090 rel(home, tmp, IRT_GQ, x);
00091 GECODE_ES_FAIL(Set::Int::MinElement<Set::SetView>::post(home,s,tmp));
00092 }
00093 break;
00094 case IRT_GR:
00095 {
00096 IntVar tmp(home, Int::Limits::min, Int::Limits::max);
00097 rel(home, tmp, IRT_GR, x);
00098 GECODE_ES_FAIL(Set::Int::MinElement<Set::SetView>::post(home,s,tmp));
00099 }
00100 break;
00101 default:
00102 throw Int::UnknownRelation("Set::rel");
00103 }
00104
00105 }
00106
00107 void
00108 rel(Home home, IntVar x, IntRelType r, SetVar s) {
00109 IntRelType rr;
00110 switch (r) {
00111 case IRT_LE: rr=IRT_GR; break;
00112 case IRT_LQ: rr=IRT_GQ; break;
00113 case IRT_GR: rr=IRT_LE; break;
00114 case IRT_GQ: rr=IRT_LQ; break;
00115 default: rr=r;
00116 }
00117 rel(home, s, rr, x);
00118 }
00119
00120 void
00121 min(Home home, SetVar s, IntVar x){
00122 if (home.failed()) return;
00123 GECODE_ES_FAIL(Set::Int::MinElement<Set::SetView>::post(home,s,x));
00124 }
00125 void
00126 notMin(Home home, SetVar s, IntVar x){
00127 if (home.failed()) return;
00128 GECODE_ES_FAIL(Set::Int::NotMinElement<Set::SetView>::post(home,s,x));
00129 }
00130 void
00131 min(Home home, SetVar s, IntVar x, Reify r){
00132 if (home.failed()) return;
00133 switch (r.mode()) {
00134 case RM_EQV:
00135 GECODE_ES_FAIL((Set::Int::ReMinElement<Set::SetView,RM_EQV>
00136 ::post(home,s,x,r.var())));
00137 break;
00138 case RM_IMP:
00139 GECODE_ES_FAIL((Set::Int::ReMinElement<Set::SetView,RM_IMP>
00140 ::post(home,s,x,r.var())));
00141 break;
00142 case RM_PMI:
00143 GECODE_ES_FAIL((Set::Int::ReMinElement<Set::SetView,RM_PMI>
00144 ::post(home,s,x,r.var())));
00145 break;
00146 default: throw Gecode::Int::UnknownReifyMode("Set::min");
00147 }
00148 }
00149 void
00150 max(Home home, SetVar s, IntVar x){
00151 if (home.failed()) return;
00152 GECODE_ES_FAIL(Set::Int::MaxElement<Set::SetView>::post(home,s,x));
00153 }
00154 void
00155 notMax(Home home, SetVar s, IntVar x){
00156 if (home.failed()) return;
00157 GECODE_ES_FAIL(Set::Int::NotMaxElement<Set::SetView>::post(home,s,x));
00158 }
00159 void
00160 max(Home home, SetVar s, IntVar x, Reify r){
00161 if (home.failed()) return;
00162 switch (r.mode()) {
00163 case RM_EQV:
00164 GECODE_ES_FAIL((Set::Int::ReMaxElement<Set::SetView,RM_EQV>
00165 ::post(home,s,x,r.var())));
00166 break;
00167 case RM_IMP:
00168 GECODE_ES_FAIL((Set::Int::ReMaxElement<Set::SetView,RM_IMP>
00169 ::post(home,s,x,r.var())));
00170 break;
00171 case RM_PMI:
00172 GECODE_ES_FAIL((Set::Int::ReMaxElement<Set::SetView,RM_PMI>
00173 ::post(home,s,x,r.var())));
00174 break;
00175 default: throw Gecode::Int::UnknownReifyMode("Set::max");
00176 }
00177 }
00178
00179 void weights(Home home, IntSharedArray elements, IntSharedArray weights,
00180 SetVar x, IntVar y) {
00181 if (home.failed()) return;
00182 GECODE_ES_FAIL(Set::Int::Weights<Set::SetView>::post(home,elements,
00183 weights,x,y));
00184 }
00185
00186 }
00187
00188