Mercurial > octave-dspies
view scripts/elfun/secd.m @ 18960:a5add7b660ac stable
build: Fix compiling GUI on Alpha platforms (bug #42839).
* libgui/Makefile.am: Use GNU Makefile filter-out command to remove
-mieee CFLAG option from CPPFLAGS passed to MOC command.
author | Rik <rik@octave.org> |
---|---|
date | Sat, 26 Jul 2014 07:50:38 -0700 |
parents | d63878346099 |
children |
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## Copyright (C) 2006-2013 David Bateman ## ## 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 ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {} secd (@var{x}) ## Compute the secant for each element of @var{x} in degrees. ## @seealso{asecd, sec} ## @end deftypefn ## Author: David Bateman <dbateman@free.fr> function y = secd (x) if (nargin != 1) print_usage (); endif y = 1 ./ cosd (x); endfunction %!assert (secd (0:10:80), sec (pi*[0:10:80]/180), -10*eps) %!assert (secd ([0, 180, 360]) != Inf) %!assert (secd ([90, 270]) == Inf) %!error secd () %!error secd (1, 2)