Integrator ctDecI = new Integrator(ctDec, "Integrator");
Scale ctGain = new Scale(ctDec, "Gain");
ZeroCrossingDetector ctDecD = new ZeroCrossingDetector(ctDec, "ZD");
Expression ctDecGF = new Expression(ctDec, "EXPRESSION");
TypedIOPort ctDecGFi = (TypedIOPort) ctDecGF.newPort("in");
ctDecGFi.setInput(true);
ctDecGFi.setTypeEquals(BaseType.DOUBLE);
ctDecGF.output.setTypeEquals(BaseType.DOUBLE);
ctDecGF.expression.setExpression("in + 0.0");