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annotate scripts/elfun/acscd.m @ 9665:1dba57e9d08d

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use blas_trans_type for xgemm
author Jaroslav Hajek <highegg@gmail.com>
date Sat, 26 Sep 2009 10:41:07 +0200
parents 16f53d29049f
children fd0a3ac60b0e
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16f53d29049f update copyright notices
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2006, 2007, 2009 David Bateman
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} acscd (@var{x})
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21 ## Compute the inverse cosecant in degrees for each element of @var{x}.
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22 ## @seealso{cscd, acsc}
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23 ## @end deftypefn
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24
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25 ## Author: David Bateman <dbateman@free.fr>
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26
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27 function y = acscd (x)
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28 if (nargin != 1)
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29 print_usage ();
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30 endif
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31 y = acsc(x) .* 180 ./ pi;
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32 endfunction
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33
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34 %!error(acscd())
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35 %!error(acscd(1,2))
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36 %!assert(acscd(0:10:90),180/pi*acsc(0:10:90),-10*eps)