Example #1
0
        public override Value Resolve(Value other)
        {
            WidthMismatchException.Check(width, other.Width);
            ValueLong o = other as ValueLong;

            if (o == null)
            {
                return(other.Resolve(this));
            }
            else if (o.value == this.value)
            {
                return(this);
            }
            else
            {
                Value[] vs   = new Value[width];
                long    src  = this.value;
                long    diff = this.value ^ o.value;
                for (int i = 0; i < vs.Length; i++)
                {
                    if (((diff >> i) & 1) != 0)
                    {
                        vs[i] = Value.X;
                    }
                    else
                    {
                        vs[i] = ((src >> i) & 1) != 0 ? Value.One : Value.Zero;
                    }
                }
                return(new ValueMultiBit(key, vs));
            }
        }
Example #2
0
        public override Value Or(Value other)
        {
            Value[] v0s = values;
            WidthMismatchException.Check(v0s.Length, other.Width);
            Value[] ret    = new Value[v0s.Length];
            bool    v0Same = true;
            bool    v1Same = true;

            for (int i = 0; i < ret.Length; i++)
            {
                Value v0 = v0s[i];
                Value v1 = other[i];
                Value vx = v0.Or(v1);
                ret[i] = vx;
                if (vx != v0)
                {
                    v0Same = false;
                }
                if (vx != v1)
                {
                    v1Same = false;
                }
            }
            return(v0Same ? this : v1Same ? this : Value.Create(ret));
        }
Example #3
0
        public override Value Or(Value other)
        {
            WidthMismatchException.Check(width, other.Width);
            ValueLong o = other as ValueLong;

            if (o == null)
            {
                return(other.Resolve(this));
            }
            else if (o.value == this.value)
            {
                return(this);
            }
            else
            {
                return(new ValueLong(key, width, value | o.value));
            }
        }
Example #4
0
        public override Value Or(Value other)
        {
            WidthMismatchException.Check(1, other.Width);
            Value a = this.Pull3;
            Value b = other.Pull3 as ValueOneBit;

            if (a == _One || b == _One)
            {
                return(_One);
            }
            else if (a == _X || b == _X)
            {
                return(_X);
            }
            else
            {
                return(_Zero);
            }
        }
Example #5
0
        public override Value Resolve(Value other)
        {
            /*    | U X 0 1 Z W L H -
             *  --+------------------
             *  U | U U U U U U U U U  s5
             *  X | U X X X X X X X X  s4
             *  0 | U X 0 X 0 0 0 0 X  s2
             *  1 | U X X 1 1 1 1 1 X  s2
             *  Z | U X 0 1 Z W L H X  s0
             *  W | U X 0 1 W W W W X  s1
             *  L | U X 0 1 L W L W X  s1
             *  H | U X 0 1 H W W H X  s1
             *  - | U X X X X X X X X  s3
             */
            WidthMismatchException.Check(1, other.Width);
            ValueOneBit o = other as ValueOneBit;

            if (this.strength > o.strength)
            {
                return(this == _DontCare ? _X : this);
            }
            else if (o.strength > this.strength)
            {
                return(o == _DontCare ? _X : other);
            }
            else if (this == other)
            {
                return(this);
            }
            else if (this.strength == 1)
            {
                return(_W);
            }
            else
            {
                return(_X);
            }
        }