/// <summary>
/// Replaces any don't-care symbol with the high-impedance symbol.
/// </summary>
public void ReplaceDontCaresByTriStates()
{
var allGraphs = _graphs.Concat(Enumerable.Repeat(_neutral, 1));
foreach (FlowGraph g in allGraphs)
{
var pflow = g.ToFlow();
foreach (Flow flow in pflow.Flows)
{
if (IsDontCareFlow(flow))
{
var oflow = flow as ValueFlow;
var slv = (StdLogicVector)oflow.Value;
var zslv = StdLogicVector.Zs(slv.Size);
var nflow = new ValueFlow(zslv, flow.Target);
g.Add(nflow);
}
}
}
}
