ejb3/src/main/java/org/jboss/as/ejb3/iiop/stub/DynamicIIOPStub.java
public double invokeDouble(String operationName, StubStrategy stubStrategy, Object[] params) throws Throwable {
        return ((Number) invoke(operationName,
                stubStrategy, params)).doubleValue();
    }
public double invokeDouble(String operationName, StubStrategy stubStrategy, Object[] params) throws Throwable {
        return ((Number) invoke(operationName,
                stubStrategy, params)).doubleValue();
    }
Sends a request message to the server, receives the reply from the
server, and returns a <code>double</code> result to the caller.