#15926: hurwitz_zeta is numerically off
--------------------------------+----------------------------
   Reporter:  zimmerma          |            Owner:
       Type:  defect            |           Status:  new
   Priority:  minor             |        Milestone:  sage-6.2
  Component:  basic arithmetic  |         Keywords:
  Merged in:                    |          Authors:
  Reviewers:                    |  Report Upstream:  N/A
Work issues:                    |           Branch:
     Commit:                    |     Dependencies:
   Stopgaps:                    |
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 {{{hurwitz_zeta(s,x,N)}}} is assumed to give N correct decimals, however
 in Sage 6.0:
 {{{
 sage: hurwitz_zeta(42,1,21)
 -1.255404431975609756e9
 sage: zeta(42.)
 1.00000000000023
 }}}
 Clearly no digit is correct in {{{hurwitz_zeta(42,1,21)}}}!

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Ticket URL: <http://trac.sagemath.org/ticket/15926>
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