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Choosing the epsilon requires numerical analyis expertise or lucky cargo-cuting: https://randomascii.wordpress.com/2012/02/25/comparing-float...



Thank you for reminding us about those great articles! We were using a Ulp-based method only, but Qtxie proceeded with some improvements [1] for close to zero values, as suggested in the article. Thanks again. :-)

[1] https://github.com/red/red/pull/986




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