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Xamarin.Essentials unit converters should be using decimals and not doubles

ashlarashlar USMember ✭✭

Doubles have imprecisions which can cause odd things to happen in your app. For instance this code:

        double a1 = 1;

        double c1 = UnitConverters.CelsiusToFahrenheit(a1);
        double c2 = UnitConverters.FahrenheitToCelsius(c1);

        if(c2 == a1)
            // will never get here

// c2 equals something like .999999998 and a1 equals 1

These methods should be overloaded to be able to take decimals and return decimals.

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