relax.cpp
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00038 #include <gecode/int.hh>
00039 #include <gecode/search/relax.hh>
00040
00041 namespace Gecode { namespace Int {
00042
00044 class Relax {
00045 public:
00047 ExecStatus operator ()(Home home, IntVar x, IntVar sx);
00049 ExecStatus operator ()(Home home, BoolVar x, BoolVar sx);
00050 };
00051
00052 forceinline ExecStatus
00053 Relax::operator ()(Home home, IntVar x, IntVar sx) {
00054 IntView xv(x);
00055 return me_failed(xv.eq(home,sx.val())) ? ES_FAILED : ES_OK;
00056 }
00057
00058 forceinline ExecStatus
00059 Relax::operator ()(Home home, BoolVar x, BoolVar sx) {
00060 BoolView xv(x);
00061 return me_failed(xv.eq(home,sx.val())) ? ES_FAILED : ES_OK;
00062 }
00063
00064 }}
00065
00066 namespace Gecode {
00067
00068 void
00069 relax(Home home, const IntVarArgs& x, const IntVarArgs& sx,
00070 Rnd r, double p) {
00071 if (x.size() != sx.size())
00072 throw Int::ArgumentSizeMismatch("Int::relax");
00073 if ((p < 0.0) || (p > 1.0))
00074 throw Int::OutOfLimits("Int::relax");
00075 Int::Relax ir;
00076 Search::relax<IntVarArgs,Int::Relax>(home,x,sx,r,p,ir);
00077 }
00078
00079 void
00080 relax(Home home, const BoolVarArgs& x, const BoolVarArgs& sx,
00081 Rnd r, double p) {
00082 if (x.size() != sx.size())
00083 throw Int::ArgumentSizeMismatch("Int::relax");
00084 if ((p < 0.0) || (p > 1.0))
00085 throw Int::OutOfLimits("Int::relax");
00086 Int::Relax ir;
00087 Search::relax<BoolVarArgs,Int::Relax>(home,x,sx,r,p,ir);
00088 }
00089
00090 }
00091
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00093