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 namespace Gecode { namespace Int { namespace Circuit {
00039
00040
00041
00042
00043
00044 template <class View>
00045 forceinline
00046 Val<View>::Val(Space* home, ViewArray<View>& x)
00047 : Base<View>(home,x) {}
00048
00049 template <class View>
00050 forceinline
00051 Val<View>::Val(Space* home, bool share, Val<View>& p)
00052 : Base<View>(home,share,p) {}
00053
00054 template <class View>
00055 Actor*
00056 Val<View>::copy(Space* home, bool share) {
00057 return new (home) Val<View>(home,share,*this);
00058 }
00059
00060 template <class View>
00061 PropCost
00062 Val<View>::cost(ModEventDelta) const {
00063 return PC_LINEAR_HI;
00064 }
00065
00066 template <class View>
00067 Support::Symbol
00068 Val<View>::ati(void) {
00069 return Reflection::mangle<View>("Gecode::Int::Circuit::Val");
00070 }
00071
00072 template <class View>
00073 Reflection::ActorSpec
00074 Val<View>::spec(const Space* home, Reflection::VarMap& m) const {
00075 return Base<View>::spec(home, m, ati());
00076 }
00077
00078 template <class View>
00079 void
00080 Val<View>::post(Space* home, Reflection::VarMap& vars,
00081 const Reflection::ActorSpec& spec) {
00082 spec.checkArity(1);
00083 ViewArray<View> x(home, vars, spec[0]);
00084 (void) new (home) Val<View>(home, x);
00085 }
00086
00087 template <class View>
00088 ExecStatus
00089 Val<View>::propagate(Space* home, ModEventDelta) {
00090 GECODE_ES_CHECK((Distinct::prop_val<View,true>(home,y)));
00091 ExecStatus esc = connected(home);
00092 if (esc != ES_FIX)
00093 return esc;
00094 if (y.size() < 2)
00095 return ES_SUBSUMED(this,home);
00096 return path(home);
00097 }
00098
00099 template <class View>
00100 ExecStatus
00101 Val<View>::post(Space* home, ViewArray<View>& x) {
00102 int n = x.size();
00103 if (n == 1) {
00104 GECODE_ME_CHECK(x[0].eq(home,0));
00105 } else if (n == 2) {
00106 GECODE_ME_CHECK(x[0].eq(home,1));
00107 GECODE_ME_CHECK(x[1].eq(home,0));
00108 } else {
00109 for (int i=n; i--; ) {
00110 GECODE_ME_CHECK(x[i].gq(home,0));
00111 GECODE_ME_CHECK(x[i].le(home,n));
00112 GECODE_ME_CHECK(x[i].nq(home,i));
00113 }
00114 (void) new (home) Val<View>(home,x);
00115 }
00116 return ES_OK;
00117 }
00118
00119 }}}
00120
00121
00122