[Nut-upsdev] Use double instead of float?

[Arjen de Korte]

Peter Selinger wrote:

> That code is stupid right now. For example, if a UPS gives a voltage
> with precision 0.1V, the driver will actually convert this to an
> integer.

Yup, I noticed that too. Fixed.

> Double is better than float in any case. But some of the conversion
> functions physical<->logical should use integers for logical and
> doubles for physical units. 

Probably. I'll take care of that later. It's too late now (at least here
in Europe).

Best regards, Arjen