+
+ if (length != union.length)
+ throw new IllegalArgumentException(
+ "The output of merging n WireArrays into one must have length = a1.length() + a2.length() + ... + an.length().");
+ }
+
+ public WireArray getInput(int index)
+ {
+ return inputs[index];
+ }
+
+ public WireArray getUnion()
+ {
+ return outI.owner;
+ }
+
+ @Override
+ public void update(WireArray initiator)
+ {
+ int index = find(initiator);
+ int beginning = beginningIndex[index];
+ outI.feedSignals(beginning, initiator.getValues());
+ }
+
+ private int find(WireArray w)
+ {
+ for (int i = 0; i < inputs.length; i++)
+ if (inputs[i] == w)
+ return i;
+ return -1;
+ }
+
+ public WireArray[] getInputs()
+ {
+ return inputs.clone();
+ }