+ public static final BitVector SINGLE_U = new BitVector(Bit.U);
+ public static final BitVector SINGLE_X = new BitVector(Bit.X);
+ public static final BitVector SINGLE_0 = new BitVector(Bit.ZERO);
+ public static final BitVector SINGLE_1 = new BitVector(Bit.ONE);
+ public static final BitVector SINGLE_Z = new BitVector(Bit.Z);
+
+ private static final BitVector[] SINGLE_BIT_MAPPING = { SINGLE_U, SINGLE_X, SINGLE_0, SINGLE_1, SINGLE_Z };
+