Failed RealNumber conversion from str in base 16.

[sagetrac-lfousse]

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.

CC: @jasongrout

Component: numerical

Keywords: hexadecimal, string conversion

Issue created by migration from https://trac.sagemath.org/ticket/8554

[mezzarobba]

comment:2

See #14702.