[v3] add_unsigned/remove_unsigned tweaks
Fri Sep 29 12:28:00 GMT 2006
Adds in signed char bits as discussed by Paolo and Howard, and tests.
In addition, this adds compile-time warnings on things like
Even though these constructs are admittedly bizarre, it looks like this "trait" is
converging on semantic meaning, and signed-ness means nothing for
floating point types. (Last time I checked.)
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