From owner-bug-octave at bevo dot che dot wisc dot edu  Sat Nov 11 13:13:53 1995
Subject: atan2
From: Jack Mott <jackm at pmafire dot inel dot gov>
To: bug-octave at che dot utexas dot edu
Date: Sat, 11 Nov 1995 12:13:16 -0700 (MST)

The atan2 function in octave does not appear to correctly handle 
arguments in the second quadrant:

    octave:40> atan2(1,-1)
    ans = -2.3562

The answer should have been positive.

Charles Mott