コード例 #1
0
  void
  branch(Gecode::Home home, const SetVarArgs& x,
         const Gecode::TieBreakVarBranch<SetVarBranch>& vars,
         SetValBranch vals,
         const Gecode::TieBreakVarBranchOptions& o_vars,
         const Gecode::ValBranchOptions& o_vals) {
    using namespace Gecode;
    using namespace Gecode::Set;
    using namespace Gecode::Set::Branch;


    if (home.failed()) return;
    if ((vars.a == SET_VAR_NONE) || (vars.a == SET_VAR_RND) ||
        ((vars.b == SET_VAR_NONE) && (vars.c == SET_VAR_NONE) && (vars.d == SET_VAR_NONE))) {
      branch(home,x,vars.a,vals,o_vars.a,o_vals);
      return;
    }
    if (o_vars.a.activity.initialized() &&
        (o_vars.a.activity.size() != x.size()))
      throw ActivityWrongArity("branch (option a)");
    if (o_vars.b.activity.initialized() &&
        (o_vars.b.activity.size() != x.size()))
      throw ActivityWrongArity("branch (option b)");
    if (o_vars.c.activity.initialized() &&
        (o_vars.c.activity.size() != x.size()))
      throw ActivityWrongArity("branch (option c)");
    if (o_vars.d.activity.initialized() &&
        (o_vars.d.activity.size() != x.size()))
      throw ActivityWrongArity("branch (option d)");
    ViewArray<SetView> xv(home,x);
    Gecode::ViewSelVirtualBase<SetView>* tb[3];
    int n=0;
    if (vars.b != SET_VAR_NONE)
      virtualize(home,vars.b,o_vars.b,tb[n++]);
    if (vars.c != SET_VAR_NONE)
      virtualize(home,vars.c,o_vars.c,tb[n++]);
    if (vars.d != SET_VAR_NONE)
      virtualize(home,vars.d,o_vars.d,tb[n++]);
    assert(n > 0);
    ViewSelTieBreakDynamic<SetView> vbcd(home,tb,n);
    switch (vars.a) {
    case SET_VAR_DEGREE_MIN:
      {
        ViewSelDegreeMin<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMin<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_DEGREE_MAX:
      {
        ViewSelDegreeMax<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMax<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_AFC_MIN:
      {
        ViewSelAfcMin<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMin<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_AFC_MAX:
      {
        ViewSelAfcMax<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMax<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_ACTIVITY_MIN:
      {
        ViewSelActivityMin<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelActivityMin<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_ACTIVITY_MAX:
      {
        ViewSelActivityMax<SetView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelActivityMax<SetView>,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_MIN_MIN:
      {
        ByMinMin va(home,o_vars.a);
        ViewSelTieBreakStatic<ByMinMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_MIN_MAX:
      {
        ByMinMin va(home,o_vars.a);
        ViewSelTieBreakStatic<ByMinMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_MAX_MIN:
      {
        ByMaxMin va(home,o_vars.a);
        ViewSelTieBreakStatic<ByMaxMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_MAX_MAX:
      {
        ByMaxMax va(home,o_vars.a);
        ViewSelTieBreakStatic<ByMaxMax,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_MIN:
      {
        BySizeMin va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_MAX:
      {
        BySizeMax va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeMax,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_DEGREE_MIN:
      {
        BySizeDegreeMin va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeDegreeMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_DEGREE_MAX:
      {
        BySizeDegreeMax va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeDegreeMax,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_AFC_MIN:
      {
        BySizeAfcMin va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeAfcMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_AFC_MAX:
      {
        BySizeAfcMax va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeAfcMax,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_ACTIVITY_MIN:
      {
        BySizeActivityMin va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeActivityMin,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case SET_VAR_SIZE_ACTIVITY_MAX:
      {
        BySizeActivityMax va(home,o_vars.a);
        ViewSelTieBreakStatic<BySizeActivityMax,
          ViewSelTieBreakDynamic<SetView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    default:
      throw UnknownBranching("Set::branch");
    }
  }
コード例 #2
0
  void
  branch(Gecode::Home home, const BoolVarArgs& x,
         const Gecode::TieBreakVarBranch<IntVarBranch>& vars,
         IntValBranch vals,
         const Gecode::TieBreakVarBranchOptions& o_vars,
         const Gecode::ValBranchOptions& o_vals) {
    using namespace Gecode;
    using namespace Gecode::Int;
    using namespace Gecode::Int::Branch;


    if (home.failed()) return;
    if ((vars.a == INT_VAR_NONE) || (vars.a == INT_VAR_RND) ||
        ((vars.b == INT_VAR_NONE) && (vars.c == INT_VAR_NONE) && (vars.d == INT_VAR_NONE))) {
      branch(home,x,vars.a,vals,o_vars.a,o_vals);
      return;
    }
    ViewArray<BoolView> xv(home,x);
    Gecode::ViewSelVirtualBase<BoolView>* tb[3];
    int n=0;
    if (vars.b != INT_VAR_NONE)
      virtualize(home,vars.b,o_vars.b,tb[n++]);
    if (vars.c != INT_VAR_NONE)
      virtualize(home,vars.c,o_vars.c,tb[n++]);
    if (vars.d != INT_VAR_NONE)
      virtualize(home,vars.d,o_vars.d,tb[n++]);
    assert(n > 0);
    ViewSelTieBreakDynamic<BoolView> vbcd(home,tb,n);
    switch (vars.a) {
    case INT_VAR_MIN_MIN:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_MIN_MAX:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_MAX_MIN:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_MAX_MAX:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_MIN:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_MAX:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_DEGREE_MIN:
      {
        ViewSelDegreeMin<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMin<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_DEGREE_MAX:
      {
        ViewSelDegreeMax<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMax<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_AFC_MIN:
      {
        ViewSelAfcMin<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMin<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_AFC_MAX:
      {
        ViewSelAfcMax<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMax<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_DEGREE_MIN:
      {
        ViewSelDegreeMax<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMax<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_DEGREE_MAX:
      {
        ViewSelDegreeMin<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelDegreeMin<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_AFC_MIN:
      {
        ViewSelAfcMax<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMax<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_SIZE_AFC_MAX:
      {
        ViewSelAfcMin<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelAfcMin<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_REGRET_MIN_MIN:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_REGRET_MIN_MAX:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_REGRET_MAX_MIN:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    case INT_VAR_REGRET_MAX_MAX:
      {
        ViewSelNone<BoolView> va(home,o_vars.a);
        ViewSelTieBreakStatic<ViewSelNone<BoolView>,
          ViewSelTieBreakDynamic<BoolView> > v(home,va,vbcd);
        post(home,xv,v,vals,o_vals,o_vars.a.bf);
      }
      break;
    default:
      throw UnknownBranching("Int::branch");
    }
  }
コード例 #3
0
  void
  branch(Gecode::Home home, const SetVarArgs& x,
         SetVarBranch vars, SetValBranch vals,
         const Gecode::VarBranchOptions& o_vars,
         const Gecode::ValBranchOptions& o_vals) {
    using namespace Gecode;
    using namespace Gecode::Set;
    using namespace Gecode::Set::Branch;


    if (home.failed()) return;
    if (o_vars.activity.initialized() &&
        (o_vars.activity.size() != x.size()))
      throw ActivityWrongArity("branch");
    ViewArray<SetView> xv(home,x);
    switch (vars) {
    case SET_VAR_NONE:
      {
        ViewSelNone<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_RND:
      {
        ViewSelRnd<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_DEGREE_MIN:
      {
        ViewSelDegreeMin<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_DEGREE_MAX:
      {
        ViewSelDegreeMax<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_AFC_MIN:
      {
        ViewSelAfcMin<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_AFC_MAX:
      {
        ViewSelAfcMax<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_ACTIVITY_MIN:
      {
        ViewSelActivityMin<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_ACTIVITY_MAX:
      {
        ViewSelActivityMax<SetView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_MIN_MIN:
      {
        ByMinMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_MIN_MAX:
      {
        ByMinMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_MAX_MIN:
      {
        ByMaxMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_MAX_MAX:
      {
        ByMaxMax v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_MIN:
      {
        BySizeMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_MAX:
      {
        BySizeMax v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_DEGREE_MIN:
      {
        BySizeDegreeMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_DEGREE_MAX:
      {
        BySizeDegreeMax v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_AFC_MIN:
      {
        BySizeAfcMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_AFC_MAX:
      {
        BySizeAfcMax v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_ACTIVITY_MIN:
      {
        BySizeActivityMin v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case SET_VAR_SIZE_ACTIVITY_MAX:
      {
        BySizeActivityMax v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    default:
      throw UnknownBranching("Set::branch");
    }
  }
コード例 #4
0
  void
  branch(Gecode::Home home, const BoolVarArgs& x,
         IntVarBranch vars, IntValBranch vals,
         const Gecode::VarBranchOptions& o_vars,
         const Gecode::ValBranchOptions& o_vals) {
    using namespace Gecode;
    using namespace Gecode::Int;
    using namespace Gecode::Int::Branch;


    if (home.failed()) return;
    ViewArray<BoolView> xv(home,x);
    switch (vars) {
    case INT_VAR_NONE:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_RND:
      {
        ViewSelRnd<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_MIN_MIN:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_MIN_MAX:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_MAX_MIN:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_MAX_MAX:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_MIN:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_MAX:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_DEGREE_MIN:
      {
        ViewSelDegreeMin<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_DEGREE_MAX:
      {
        ViewSelDegreeMax<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_AFC_MIN:
      {
        ViewSelAfcMin<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_AFC_MAX:
      {
        ViewSelAfcMax<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_DEGREE_MIN:
      {
        ViewSelDegreeMax<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_DEGREE_MAX:
      {
        ViewSelDegreeMin<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_AFC_MIN:
      {
        ViewSelAfcMax<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_SIZE_AFC_MAX:
      {
        ViewSelAfcMin<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_REGRET_MIN_MIN:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_REGRET_MIN_MAX:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_REGRET_MAX_MIN:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    case INT_VAR_REGRET_MAX_MAX:
      {
        ViewSelNone<BoolView> v(home,o_vars);
        post(home,xv,v,vals,o_vals,o_vars.bf);
      }
      break;
    default:
      throw UnknownBranching("Int::branch");
    }
  }