A float will automatically be promoted to a double

I wasn't aware of this, either.
I've eventually located this info in K&R (2nd Edition) in section A7 - "A7.3.2 Function Calls".
Thanks for spreading the education !!

Cheers,
Rob

In reply to Re^3: [OT(C)] float parameter treated as double by callee -- but it fails with FFI by syphilis
in thread [OT(C)] float parameter treated as double by callee -- but it fails with FFI by vr

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