#8860: incoherent types for real numbers
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Reporter: zimmerma | Owner: AlexGhitza
Type: defect | Status: new
Priority: minor | Milestone:
Component: basic arithmetic | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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This was reported by Francois Maltey:
{{{
sage: map (type, [float(1.2), N(1.2), N(1.2,digits=50)])
[<type 'float'>,
<type 'sage.rings.real_mpfr.RealLiteral'>,
<type 'sage.rings.real_mpfr.RealNumber'>]
}}}
Why does the second one return {{{RealLiteral}}} and the 3rd one
{{{RealNumber}}}?
Side question: how does one test if the type of an object
corresponds to a real number, like for example:
{{{
type (345) is Integer, type([1,2,3]) is list, type (2/3) is Rational
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8860>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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