/// <summary>
/// Adds a new input wire to the circuit.
/// </summary>
/// <returns>Input wire.</returns>
public Wire Input()
{
return(Wire.FromGate(new InputGate(_nextGateId++, _nextInputIndex++)));
}
/// <summary>
/// Constructs the equivalent of an OR gate from an AND gate and negated input and
/// output wires.
/// </summary>
/// <param name="leftInput">Left input wire.</param>
/// <param name="rightInput">Right input wire.</param>
/// <returns>A wire representing the logical OR of both inputs.</returns>
public Wire Or(Wire leftInput, Wire rightInput)
{
return(Not(And(Not(leftInput), Not(rightInput))));
}