[erlang-questions] Question on Erlang Port Drivers

[David Drew]

Hey everyone,

Quick beginner question in relation to the example given on the Erlang Port
Drivers Interoperability Tutorial located at
http://www.erlang.org/doc/tutorial/c_portdriver.html. How would this
example (the complex5 module and the port_driver.c file) be expanded if you
wanted to send/receive doubles instead of integers less than 256, while
still sticking with the port_drivers interoperability and not switching to
one of the other types? Such as if the c function you were creating ap ort
to, complex.c, was:

/* complex.c */
double foo(double x) {
  return x/1.0;
}
double bar(double y) {
  return y/2.0;
}
Thanks in advance for your help!
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