1 ## Copyright (C) 2005-2012 William Poetra Yoga Hadisoeseno
3 ## This file is part of Octave.
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
20 ## @deftypefn {Function File} {} isequal (@var{x1}, @var{x2}, @dots{})
21 ## Return true if all of @var{x1}, @var{x2}, @dots{} are equal.
22 ## @seealso{isequalwithequalnans}
25 function retval = isequal (x1, varargin)
31 retval = __isequal__ (false, x1, varargin{:});
35 ## test size and shape
36 %!assert(isequal([1,2,3,4],[1,2,3,4]), true)
37 %!assert(isequal([1;2;3;4],[1;2;3;4]), true)
38 %!assert(isequal([1,2,3,4],[1;2;3;4]), false)
39 %!assert(isequal([1,2,3,4],[1,2;3,4]), false)
40 %!assert(isequal([1,2,3,4],[1,3;2,4]), false)
44 %! B = reshape (A, 2, 2, 2);
45 %! assert (isequal (A, B), false);
48 %! A = reshape (1:8, 2, 2, 2);
50 %! assert (isequal (A, B), true);
53 %! A = reshape (1:8, 2, 4);
54 %! B = reshape (A, 2, 2, 2);
55 %! assert (isequal (A, B), false);
58 %!assert(isequal([1,2,3,4],[1,2,3,4]), true)
59 %!assert(isequal(['a','b','c','d'],['a','b','c','d']), true)
60 ## Test multi-line strings
61 %!assert(isequal(["test";"strings"],["test";"strings"],["test";"strings"]), true)
62 ## test for inequality
63 %!assert(isequal([1,2,3,4],[1;2;3;4]),false)
64 %!assert(isequal({1,2,3,4},[1,2,3,4]),false)
65 %!assert(isequal([1,2,3,4],{1,2,3,4}),false)
66 %!assert(isequal([1,2,NaN,4],[1,2,NaN,4]),false)
67 %!assert(isequal(['a','b','c','d'],['a';'b';'c';'d']),false)
68 %!assert(isequal({'a','b','c','d'},{'a';'b';'c';'d'}),false)
69 ## test for equality (struct)
70 %!assert(isequal(struct('a',1,'b',2),struct('a',1,'b',2)),true)
71 %!assert(isequal(struct('a',1,'b',2),struct('a',1,'b',2),struct('a',1,'b',2)),true)
72 %!assert(isequal(struct('a','abc','b',2),struct('a','abc','b',2)),true)
73 ## test for inequality (struct)
74 %!assert(isequal(struct('a',NaN,'b',2),struct('a',NaN,'b',2),struct('a',NaN,'b',2)),false)