view scripts/elfun/atan2d.m @ 28238:50d83252f867 stable

axis.m: Update documentation. * axis.m: Update documentation to show calling forms with a space between the command and the axes to be affected (x|y|z) such as "tic x".
author Rik <rik@octave.org>
date Fri, 24 Apr 2020 13:04:08 -0700
parents bd51beb6205e
children d8318c12d903 0a5b15007766
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########################################################################
##
## Copyright (C) 2013-2020 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## This file is part of Octave.
##
## Octave is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, see
## <https://www.gnu.org/licenses/>.
##
########################################################################

## -*- texinfo -*-
## @deftypefn {} {} atan2d (@var{y}, @var{x})
## Compute atan (@var{y} / @var{x}) in degrees for corresponding elements
## from @var{y} and @var{x}.
## @seealso{tand, atan2}
## @end deftypefn

function retval = atan2d (y, x)

  if (nargin != 2)
    print_usage ();
  endif

  retval = 180 ./ pi .* atan2 (y, x);

endfunction


%!assert (atan2d (-1:.1:1, 1:-.1:-1), 180/pi * atan2 (-1:.1:1, 1:-.1:-1), -10*eps)

%!error atan2d ()
%!error atan2d (1)