[Octave-bug-tracker] [bug #49036] realpow: produced complex result

[Guillaume]

URL:
  <http://savannah.gnu.org/bugs/?49036>

                 Summary: realpow: produced complex result
                 Project: GNU Octave
            Submitted by: gyom
            Submitted on: Fri 09 Sep 2016 09:21:20 AM GMT
                Category: Test Suite
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: Guillaume
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

Running "make check" on latest dev version, there is a failed test with
realpow:


octave:1> test realpow
***** assert (realpow (1i,2), -1)
!!!!! test failed
realpow: produced complex result
octave:2> realpow (1i,2)
error: realpow: produced complex result
error: called from
    realpow at line 36 column 5
octave:9> 1i.^2
ans = -1.0000e+00 + 1.2246e-16i


It works as expected in the packaged version from the distribution (Octave
4.0.3 on OpenSUSE 13.2).




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