public Z3BoolExpr MkTest(Z3Expr t, Term type)
{
Term intr;
var unn = Owner.GetIntersection(Type, type, out intr);
var bt = (Z3BVExpr)UnboxingFun.Apply(t);
if (intr == null)
{
return(Context.MkFalse());
}
else if (intr == Type)
{
return(Context.MkTrue());
}
Z3BoolExpr test = null;
foreach (var i in unn.RangeMembers)
{
var istart = Context.MkBV((i.Key - Lower).ToString(), bvSort.Size);
var iend = Context.MkBV((i.Value - Lower).ToString(), bvSort.Size);
test = test.Or(Context, bt.UGe(Context, istart).And(Context, bt.ULe(Context, iend)));
}
return(test);
}
public Z3BoolExpr MkTest(Z3Expr t, Term type)
{
Term intr;
var unn = Owner.GetIntersection(Type, type, out intr);
var it = (Z3IntExpr)UnboxingFun.Apply(t);
if (intr == null)
{
return(Context.MkFalse());
}
else if (intr == Type)
{
return(Context.MkTrue());
}
Z3BoolExpr test = null;
var iPos = MkIntCoercion(t);
foreach (var r in unn.RangeMembers)
{
test = test.Or(
Context,
iPos.Ge(
Context,
Context.MkInt(r.Key.ToString())).And(
Context,
iPos.Le(Context, Context.MkInt(r.Value.ToString()))));
}
return(test);
}
public Z3BoolExpr MkTest(Z3Expr t, Term type)
{
Term intr;
var unn = Owner.GetIntersection(Type, type, out intr);
var bt = (Z3BVExpr)UnboxingFun.Apply(t);
if (intr == null)
{
return(Context.MkFalse());
}
else if (intr == Type)
{
return(Context.MkTrue());
}
Z3BoolExpr test = null;
foreach (var m in unn.NonRangeMembers)
{
if (m.Kind != SymbolKind.BaseCnstSymb && m.Kind != SymbolKind.UserCnstSymb)
{
continue;
}
test = test.Or(Context, bt.Eq(Context, Context.MkBV(symbToVal[m], bvSort.Size)));
}
return(test);
}
public Z3IntExpr MkIntCoercion(Z3Expr rng)
{
Contract.Requires(rng.Sort.Equals(Representation));
var i = (Z3BVExpr)UnboxingFun.Apply(rng);
var c = (Z3IntExpr)z3Lower.Add(Context, i.BV2Int(Context));
return(c);
}
public Z3IntExpr MkIntCoercion(Z3Expr pos)
{
Contract.Requires(pos.Sort.Equals(Representation));
var i = (Z3IntExpr)UnboxingFun.Apply(pos);
var zero = Context.MkInt(0);
var one = Context.MkInt(1);
var two = Context.MkInt(2);
var ntwo = Context.MkInt(-2);
return((Z3IntExpr)i.Eq(Context, zero).Ite(
Context,
one,
i.Gt(Context, zero).Ite(
Context,
i.Mul(Context, two),
i.Mul(Context, ntwo).Add(Context, one))));
}
public Z3BoolExpr MkTest(Z3Expr t, Term type)
{
Contract.Assert(t != null && t.Sort.Equals(Representation));
Term intr;
var unn = Owner.GetIntersection(Type, type, out intr);
if (intr == null)
{
return(Context.MkFalse());
}
else if (intr == Type)
{
return(Context.MkTrue());
}
Z3BoolExpr test = null;
var nat = (Z3IntExpr)UnboxingFun.Apply(t);
if (unn.Contains(Index.SymbolTable.GetSortSymbol(BaseSortKind.PosInteger)))
{
test = test.Or(Context, nat.NEq(Context, Context.MkInt(0)));
}
var iNat = MkIntCoercion(t);
foreach (var r in unn.RangeMembers)
{
test = test.Or(
Context,
iNat.Ge(
Context,
Context.MkInt(r.Key.ToString())).And(
Context,
iNat.Le(Context, Context.MkInt(r.Value.ToString()))));
}
return(test);
}
