sigbjorn

Hi, First of all, thanks for this excellent library! # Intro Just to notify about an issue that might be of interest for those using the projections part of boost...

Proposal for solving fraction_part causing 1.09e-6 generated as 1.9e-6 issue #792

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Solves issue, based on using int based compute of number of digits in a positive real-concept type, as provided in Shyft workaround by Paul Christoph Bätzing-Rosenvinge: https://gitlab.com/paul.christoph.batzing-rosenvinge Ref to #792

karma::real_policies<double>::fraction_part() formats incorrectly by order of magnitude for numbers like 1.09e-6, emits 1.9e-06(!)

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# Overview As detected reported on Shyft open source, https://gitlab.com/shyft-os/shyft/-/issues/1216, **Wrong outputs** are generated for numbers of the form **1.09e-6**, instead of generating expected '1.09e-06', it outputs **1.9e-06** -lacking trailing...