If the desired result is an integer, and the numeric errors are small, there's no need to correctly or robustly round 5.5, so I don't see how your earlier post applies here.
Perl 6 - links to (nearly) everything that is Perl 6.

In reply to Re^7: test fails on 64bit uselongdouble Perl by moritz
in thread test fails on 64bit uselongdouble Perl by frankcox

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