void
SCXferFnDirector::EvaluateTransferFunction()
{
if (!itsXferFn->EndEditing())
{
return;
}
else if (itsXferFn->ContainsUIF())
{
(JGetUserNotification())->ReportError("Please finish entering the function.");
itsXferFn->Focus();
return;
}
(GetCircuitDocument())->DataModified();
itsResult->ClearFunction();
const SCCircuit* circuit = GetCircuit();
if (!circuit->IsLinear())
{
(JGetUserNotification())->ReportError("The circuit is not linear.");
return;
}
const SCCircuitVarList* varList = GetVarList();
const JFunction* fn = itsXferFn->GetFunction();
const JString textFn = (SCGetSymbolicMath())->Print(*fn);
JString result;
JFunction* f;
if (circuit->Evaluate(textFn, &result) &&
JParseFunction(result, varList, &f))
{
itsResult->SetFunction(varList, f);
}
}
void
SCFeedbackDirector::EvaluateFeedbackParameters()
{
if (!itsOutputFn->EndEditing())
{
return;
}
else if (itsOutputFn->ContainsUIF())
{
(JGetUserNotification())->ReportError("Please finish entering the output function.");
itsOutputFn->Focus();
return;
}
(GetCircuitDocument())->DataModified();
itsH0->ClearFunction();
itsHinf->ClearFunction();
itsT->ClearFunction();
itsTn->ClearFunction();
itsScratchFn->ClearFunction();
const SCCircuit* circuit = GetCircuit();
if (!circuit->IsLinear())
{
(JGetUserNotification())->ReportError("The circuit is not linear.");
return;
}
JIndex indepSourceIndex;
if (!itsInputSource->GetCompIndex(&indepSourceIndex))
{
(JGetUserNotification())->ReportError(
"There are no independent sources in this circuit.");
return;
}
JIndex depSourceIndex;
if (!itsDepSource->GetCompIndex(&depSourceIndex))
{
(JGetUserNotification())->ReportError(
"There are no dependent sources in this circuit.");
return;
}
const SCCircuitVarList* varList = GetVarList();
const JFunction* fn = itsOutputFn->GetFunction();
const JString textFn = (SCGetSymbolicMath())->Print(*fn);
JString H0, Hinf, T, Tn;
if (!circuit->GetFeedbackParameters(indepSourceIndex, textFn, depSourceIndex,
&H0, &Hinf, &T, &Tn))
{
return;
}
JFunction* f;
if (JParseFunction(H0, varList, &f))
{
itsH0->SetFunction(varList, f);
}
if (JParseFunction(Hinf, varList, &f))
{
itsHinf->SetFunction(varList, f);
}
if (JParseFunction(T, varList, &f))
{
itsT->SetFunction(varList, f);
}
if (JParseFunction(Tn, varList, &f))
{
itsTn->SetFunction(varList, f);
}
}