Hi, I'm doing some calculations with FieldElement, and need at the end to convert the result to double. I notice that in the current CM, all classes that implement FieldElement also implement Number, which would be exactly what I need. My question therefore is * Should we have the interface FieldElement extend Number? I know we could think of fields which are *not* numbers, but we are, after all, a project dedicated to numerical computations... * Alternatively, may I introduce a NumberFieldElement which extends both Number and FieldElement? In this case, I would recommend that BigFraction, BigReal, Complex, Dfp, DfpDec, Fraction all implement this interface (which does not change anything, actually). Thanks for your feedback! Sébastien
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