#12557: RDF(1e-17).log() gives NaN
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Reporter: mariah | Owner: AlexGhitza
Type: defect | Status: needs_review
Priority: minor | Milestone: sage-5.1
Component: basic arithmetic | Resolution:
Keywords: sd40.5 | Work issues:
Report Upstream: N/A | Reviewers: Volker Braun
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by vbraun):
Too early in the morning ;-)
We have to use `check_error(RDF(x))` and not `check_error(x)` so that the
arbitrary-precision floating point value is the same as the double
precision floating point number, not the other way round. I fixed this in
the updated patch.
Now also the doctest works with `<= 1*ulp` precision!
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12557#comment:10>
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