Mercurial > hg > octave-nkf
annotate scripts/elfun/tand.m @ 19830:884e0c55d92c
Fix complex compare operation for issorted (bug #44071).
* Array-C.cc (nan_ascending_compare, nan_descending_compare): Fix typo where
comparison was made between x and x rather than between x and y.
author | Rik <rik@octave.org> |
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date | Mon, 26 Jan 2015 15:32:49 -0800 |
parents | a4c226a963c5 |
children | 4197fc428c7d |
rev | line source |
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17744
d63878346099
maint: Update copyright notices for release.
John W. Eaton <jwe@octave.org>
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14363
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1 ## Copyright (C) 2006-2013 David Bateman |
6239 | 2 ## |
6440 | 3 ## This file is part of Octave. |
6239 | 4 ## |
6440 | 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 | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
6440 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
6239 | 14 ## |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
6239 | 18 |
19 ## -*- texinfo -*- | |
20 ## @deftypefn {Function File} {} tand (@var{x}) | |
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
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21 ## Compute the tangent for each element of @var{x} in degrees. Returns zero |
9155
ad20b967e1c9
Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
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22 ## for elements where @code{@var{x}/180} is an integer and @code{Inf} for |
ad20b967e1c9
Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
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23 ## elements where @code{(@var{x}-90)/180} is an integer. |
ad20b967e1c9
Update section 17.3 (Trigonometry) of arith.txi
Rik <rdrider0-list@yahoo.com>
parents:
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24 ## @seealso{atand, tan} |
6239 | 25 ## @end deftypefn |
26 | |
7017 | 27 ## Author: David Bateman <dbateman@free.fr> |
28 | |
6239 | 29 function y = tand (x) |
14220
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Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
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30 |
6239 | 31 if (nargin != 1) |
32 print_usage (); | |
33 endif | |
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Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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34 |
6239 | 35 I0 = x / 180; |
36 I90 = (x-90) / 180; | |
37 y = tan (I0 .* pi); | |
19309
a4c226a963c5
Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
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38 y(I0 == fix (I0) & isfinite (I0)) = 0; |
a4c226a963c5
Deprecate finite in favor of isfinite.
Rik <rik@octave.org>
parents:
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diff
changeset
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39 y(I90 == fix (I90) & isfinite (I90)) = Inf; |
14220
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Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14138
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changeset
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40 |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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41 endfunction |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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42 |
6239 | 43 |
14220
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Rik <octave@nomad.inbox5.com>
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44 %!assert (tand (10:10:80), tan (pi*[10:10:80]/180), -10*eps) |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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45 %!assert (tand ([0, 180, 360]) == 0) |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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46 %!assert (tand ([90, 270]) == Inf) |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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47 |
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Rik <octave@nomad.inbox5.com>
parents:
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48 %!error tand () |
5a13a75c2457
Use Octave spacing conventions for scripts in elfun/ directory.
Rik <octave@nomad.inbox5.com>
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49 %!error tand (1, 2) |
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f3d52523cde1
Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
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50 |