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Talk:Balanced ternary: Difference between revisions
→Test case discussion
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I suspect that "+-0++0+.+-0++0+" and "+-++-.+-++-" in decimal don't terminate either. /* In for a penny, in for a £... ;-) */ Maybe the precision could be user defined, and set at about 81 digits after the point for the test case? [[User:NevilleDNZ|NevilleDNZ]] 05:15, 1 November 2011 (UTC)
: A floating point involves too many things. Seemingly simple stuff like "0.1" has no exact finite representation in either base 2 (IEEE) or base 3, thus the meaning of "436.436" in a task requirement is dubious to begin with: Rdm ''will'' come along and bury me with questions, so I'd rather not do that.
: We could dodge this issue by limiting digit length after decimal point, which is essentially treating them as rationals, then we'd have different problems: either we don't cancel out common factors in numerator and denominator, which is obviously unsatisfactory; or we do cancel them out, which requires division and modulo, which would be difficult and long-winded. I don't want to make the task require more effort than necessary. In any event, if the task proves to be so popular that people flock to it like hot cakes (I doubt it), one could always make another task to extend it to floating point numbers. --[[User:Ledrug|Ledrug]] 16:42, 1 November 2011 (UTC)
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