On Friday, May 25, 2012 9:06:12 AM UTC+8, Keshav Kini wrote:
>
> Oleksandr Kazymyrov <vrona.aka.ham...@gmail.com> writes:
> > In manual "ZZ ?" you can find:
> >
> > As an inverse to "digits()", lists of digits are accepted, provided
> > that you give a base. The lists are interpreted in little-endian
> > order, so that entry "i" of the list is the coefficient of
> > "base^i":
> >
> > sage: Z([3, 7], 10)
> > 73
> > sage: Z([3, 7], 9)
> > 66
> > sage: Z([], 10)
> > 0
> >
> > But for base more than 2^64 it doesn't work. It looks stupid, because
> you can
> > call "digits(2^64)", but not an inverse function:
> > sage: a=ZZ(randint(0,2^128-1)).digits(2^64)
> > sage: a
> > [1154963902035838039, 8176620537326016718]
> > sage: ZZ(a,2^64)
> > ERROR: An unexpected error occurred while tokenizing input
> > The following traceback may be corrupted or invalid
> > The error message is: ('EOF in multi-line statement', (1348, 0))
> >
> >
> ---------------------------------------------------------------------------
> > OverflowError Traceback (most recent call
> last)
> > ....
> > OverflowError: long int too large to convert
>
> Thank you for the report! This is now lucky ticket #13000 -
> http://trac.sagemath.org/sage_trac/ticket/13000
We have 13k bugs!
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