#10221: problem in rounding (RealField)
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Reporter: zimmerma | Owner: AlexGhitza
Type: defect | Status: new
Priority: minor | Milestone: sage-4.6.1
Component: basic arithmetic | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by mhansen):
Replying to [ticket:10221 zimmerma]:
> Maybe {{{1/a}}} is first evaluated before {{{RU}}} is called on it?
Yes, this is definitely the case. {{{1/a}}} is evaluated before it even
"sees" the {{{RU}}}.
{{{
sage: RD = RealField(53, rnd='RNDD')
sage: RU = RealField(53, rnd='RNDU')
sage: a=RD(1/3)
sage: 1/RU(a)
3.00000000000001
sage: RU(1/a.exact_rational())
3.00000000000001
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10221#comment:1>
Sage <http://www.sagemath.org>
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