#10898: symbolic_expression_from_string does not support arbitrary precision
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Reporter: flawrence | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.7
Component: calculus | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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In some places (e.g. #8495),
`sage.calculus.calculus.symbolic_expression_from_string` is being used as
a safer alternative to `sage_eval`. However, it does not seem to support
numbers with arbitrary precision. It should.
{{{
sage: from sage.calculus.calculus import symbolic_expression_from_string
as sefssage: pi_on_two =
'1.57079632679489661923132169163975144209858469968755'
sage: sefs(pi_on_two)
1.57079632679
sage: sage_eval(pi_on_two)
1.5707963267948966192313216916397514420985846996875
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10898>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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