Mercurial > octave
annotate scripts/strings/dec2bin.m @ 27919:1891570abac8
update Octave Project Developers copyright for the new year
In files that have the "Octave Project Developers" copyright notice,
update for 2020.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 06 Jan 2020 22:29:51 -0500 |
parents | b442ec6dda5c |
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update Octave Project Developers copyright for the new year
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1 ## Copyright (C) 1996-2020 The Octave Project Developers |
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2 ## |
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3 ## See the file COPYRIGHT.md in the top-level directory of this distribution |
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4 ## or <https://octave.org/COPYRIGHT.html/>. |
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5 ## |
2325 | 6 ## |
2313 | 7 ## This file is part of Octave. |
8 ## | |
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9 ## Octave is free software: you can redistribute it and/or modify it |
2313 | 10 ## under the terms of the GNU General Public License as published by |
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11 ## the Free Software Foundation, either version 3 of the License, or |
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12 ## (at your option) any later version. |
2313 | 13 ## |
14 ## Octave is distributed in the hope that it will be useful, but | |
15 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
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16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 ## GNU General Public License for more details. |
2313 | 18 ## |
19 ## You should have received a copy of the GNU General Public License | |
7016 | 20 ## along with Octave; see the file COPYING. If not, see |
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21 ## <https://www.gnu.org/licenses/>. |
2268 | 22 |
3361 | 23 ## -*- texinfo -*- |
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24 ## @deftypefn {} {} dec2bin (@var{d}, @var{len}) |
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25 ## Return a binary number corresponding to the non-negative integer @var{d}, |
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26 ## as a string of ones and zeros. |
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27 ## |
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28 ## For example: |
3426 | 29 ## |
3361 | 30 ## @example |
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31 ## @group |
3361 | 32 ## dec2bin (14) |
33 ## @result{} "1110" | |
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34 ## @end group |
3361 | 35 ## @end example |
3789 | 36 ## |
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37 ## If @var{d} is a matrix or cell array, return a string matrix with one row |
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38 ## per element in @var{d}, padded with leading zeros to the width of the |
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39 ## largest value. |
4492 | 40 ## |
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41 ## The optional second argument, @var{len}, specifies the minimum number of |
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42 ## digits in the result. |
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43 ## @seealso{bin2dec, dec2base, dec2hex} |
3361 | 44 ## @end deftypefn |
2268 | 45 |
3791 | 46 ## Author: Daniel Calvelo <dcalvelo@yahoo.com> |
4492 | 47 ## Adapted-by: Paul Kienzle <pkienzle@kienzle.powernet.co.uk> |
2314 | 48 |
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49 function b = dec2bin (d, len) |
2268 | 50 |
4492 | 51 if (nargin == 1) |
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52 b = dec2base (d, 2); |
4492 | 53 elseif (nargin == 2) |
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54 b = dec2base (d, 2, len); |
3789 | 55 else |
6046 | 56 print_usage (); |
2268 | 57 endif |
58 | |
59 endfunction | |
7411 | 60 |
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61 |
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62 %!assert (dec2bin (14), "1110") |
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63 %!assert (dec2bin (14, 6), "001110") |
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64 %!assert (dec2bin ({1, 2; 3, 4}), ["001"; "011"; "010"; "100"]) |
7411 | 65 |
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66 ## Test input validation |
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67 %!error dec2bin () |
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68 %!error dec2bin (1, 2, 3) |