MkBVNeg() public méthode

Standard two's complement unary minus.
The arguments must have a bit-vector sort.
public MkBVNeg ( BitVecExpr t ) : BitVecExpr
t BitVecExpr
Résultat BitVecExpr
Context Class Documentation
Exemple #1
0
    public void Run()
    {
        Dictionary<string, string> cfg = new Dictionary<string, string>() {
            { "AUTO_CONFIG", "true" } };

        using (Context ctx = new Context(cfg))
        {
            BitVecExpr x = ctx.MkBVConst("x", 32);
            BitVecExpr y = ctx.MkBVConst("y", 32);

            BoolExpr q = ctx.MkAnd(ctx.MkEq(ctx.MkBVAdd(x, y), ctx.MkBV(2, 32)),
                                   ctx.MkBVSGT(x, ctx.MkBV(0, 32)),
                                   ctx.MkBVSGT(y, ctx.MkBV(0, 32)));

            Console.WriteLine(q);

            Solver s = ctx.MkSolver();
            s.Assert(q);
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);

            q = ctx.MkEq(ctx.MkBVAND(x, y), ctx.MkBVNeg(y));
            Console.WriteLine(q);

            s = ctx.MkSolver();
            s.Assert(q);
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);

            q = ctx.MkBVSLT(x, ctx.MkBV(0, 32));
            Console.WriteLine(q);

            s = ctx.MkSolver();
            s.Assert(q);
            Console.WriteLine(s.Check());
            Console.WriteLine(s.Model);

            q = ctx.MkBVULT(x, ctx.MkBV(0, 32));
            Console.WriteLine(q);

            s = ctx.MkSolver();
            s.Assert(q);
            Console.WriteLine(s.Check());
        }
    }