Method CallDoubleMethodA

JNI/jni/jni.h:1046–1049

        return functions->CallDoubleMethodV(this,obj,methodID,args);
    }
    jdouble CallDoubleMethodA(jobject obj, jmethodID methodID,
                        const jvalue * args) {
        return functions->CallDoubleMethodA(this,obj,methodID,args);
    }

    void CallVoidMethod(jobject obj, jmethodID methodID, ...) {
        va_list args;