[Bug-gsl] [bug #47345] arccosh(1) wrong sign

[M Welinder]

URL:
  <http://savannah.gnu.org/bugs/?47345>

                 Summary: arccosh(1) wrong sign
                 Project: GNU Scientific Library
            Submitted by: terra
            Submitted on: Sat 05 Mar 2016 07:07:42 PM GMT
                Category: Accuracy problem
                Severity: 3 - Normal
        Operating System: Linux
                  Status: None
             Assigned to: None
             Open/Closed: Open
                 Release: 2.1
         Discussion Lock: Any

    _______________________________________________________

Details:

I get complex arccosh(1) -> -0.

To match acosh and gsl_complex_arccosh_real the result should
be +0.





    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?47345>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/