Michael Somos on Fri, 29 Oct 1999 17:31:41 -0400 (EDT)


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tan() bug more


                    GP/PARI CALCULATOR Version 2.0.17 (beta)
                i686 running linux (ix86 kernel) 32-bit version
              (readline v2.2 enabled, extended help not 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
gp> sin(1+I)/cos(1+I)
%1 = 0.2717525853195117165288437224 + 1.083923327338694543475752061*I
gp> tan(1+I)
%2 = -0.1797295366441293115045978048 + 1.381927396681501465499460288*I

I think this is a bug. Shalom, Michael

-- 
Michael Somos <somos@grail.cba.csuohio.edu>     Cleveland State University
http://grail.cba.csuohio.edu/~somos/            Cleveland, Ohio, USA 44115