#8554: Failed RealNumber conversion from str in base 16.
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Reporter: lfousse | Owner: jkantor
Type: defect | Status: new
Priority: major | Milestone:
Component: numerical | Keywords: hexadecimal, string conversion
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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{{{
sage: RealNumber("1ffef", base=16)
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
/opt/sage-4.3.3/<ipython console> in <module>()
/opt/sage-4.3.3/local/lib/python2.6/site-packages/sage/rings/real_mpfr.so
in sage.rings.real_mpfr.create_RealNumber (sage/rings/real_mpfr.c:25128)()
ValueError: invalid literal for int() with base 10: 'f'
}}}
The problem arises because 'e' is incorrectly parsed as the
mantissa/exponent delimiter. If Sage wants to follow MPFR in this regard,
'@' should be used as a delimiter for base > 10.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8554>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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