val.icc
Go to the documentation of this file.00001
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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
00095
00096
00097
00098 if (y.size() < 2)
00099 return ES_SUBSUMED(this,home);
00100 return path(home);
00101 }
00102
00103 template <class View>
00104 ExecStatus
00105 Val<View>::post(Space* home, ViewArray<View>& x) {
00106 int n = x.size();
00107 if (n == 1) {
00108 GECODE_ME_CHECK(x[0].eq(home,0));
00109 } else if (n == 2) {
00110 GECODE_ME_CHECK(x[0].eq(home,1));
00111 GECODE_ME_CHECK(x[1].eq(home,0));
00112 } else {
00113 for (int i=n; i--; ) {
00114 GECODE_ME_CHECK(x[i].gq(home,0));
00115 GECODE_ME_CHECK(x[i].le(home,n));
00116 GECODE_ME_CHECK(x[i].nq(home,i));
00117 }
00118 (void) new (home) Val<View>(home,x);
00119 }
00120 return ES_OK;
00121 }
00122
00123 }}}
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