Will Galway on Tue, 1 Aug 2000 18:35:54 -0500 (CDT)

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

(BUG?) Erroneous I+R overflow in GP/PARI Version 2.0.18 (beta)

This "overflow" looks like a bug to me.  Let me know if there are
problems in reproducing the problem, and my apologies for giving such
an obscure construct -- I'm sure that it could be simplified.


( mailto:galway@math.uiuc.edu  http://www.math.uiuc.edu/~galway )

  ~> gp
                             GP/PARI CALCULATOR Version 2.0.18 (beta)
                          UltraSparc (MicroSparc kernel) 32-bit version
                         (readline v1.0 enabled, extended help available)

                                    Copyright (C) 1989-1999 by
                   C. Batut, K. Belabas, D. Bernardi, H. Cohen and M. Olivier.

  Type ? for help, \q to quit.
  Type ?12 for how to get moral (and possibly technical) support.

     realprecision = 28 significant digits
     seriesprecision = 16 significant terms
     format = g0.28

  parisize = 4000000, primelimit = 500000
  ?  exp(2*Pi*I*((9/2)/(3/35 + 3/35*I)))-1
    ***   overflow in I+R
  ?  exp(2*Pi*I*((9/2)/(3/35 + 3/35*I)))
  %1 = 0.0000000000000000000000000000 + 4.263424501275723583926909456 E71*I