#12600: machine epsilon for RR, RDF, ...
---------------------------+------------------------------------------------
Reporter: dkrenn | Owner: jason, jkantor
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.0
Component: numerical | Keywords: machine epsilon
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Matlab and Octave have a function {{{eps(...)}}} to show the machine
epsilon. From the manual of octave: "More precisely, `eps' is the relative
spacing between any two adjacent numbers in the machine's floating point
system.".
Sage should have that, too.
E.g., we should have something like
{{{
sage: RDF(1).eps()
2.2204e-16
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12600>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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