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annotate scripts/general/isequaln.m @ 20595:c1a6c31ac29a

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eliminate more simple uses of error_state * ov-classdef.cc: Eliminate simple uses of error_state.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Oct 2015 00:20:02 -0400
parents 4197fc428c7d
children
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4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2005-2015 William Poetra Yoga Hadisoeseno
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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} {} isequaln (@var{x1}, @var{x2}, @dots{})
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21 ## Return true if all of @var{x1}, @var{x2}, @dots{} are equal under the
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22 ## additional assumption that NaN == NaN (no comparison of NaN placeholders
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23 ## in dataset).
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24 ## @seealso{isequal}
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25 ## @end deftypefn
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27 function retval = isequaln (x1, varargin)
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29 if (nargin < 2)
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30 print_usage ();
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31 endif
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32
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33 retval = __isequal__ (true, x1, varargin{:});
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35 endfunction
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36
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37
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38 ## test for equality
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39 %!assert (isequaln ({1,2,NaN,4}, {1,2,NaN,4}), true)
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40 %!assert (isequaln ([1,2,NaN,4], [1,2,NaN,4]), true)
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41 ## test for inequality
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42 %!assert (isequaln ([1,2,NaN,4], [1,NaN,3,4]), false)
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43 %!assert (isequaln ([1,2,NaN,4], [1,2,3,4]), false)
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44 ## test for equality (struct)
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45 %!assert (isequaln (struct ("a",NaN,"b",2), struct ("a",NaN,"b",2),
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46 %! struct ("a",NaN,"b",2)), true)
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47 %!assert (isequaln (1,2,1), false)
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48
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49 ## Input validation
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50 %!error isequaln ()
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51 %!error isequaln (1)
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52