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annotate scripts/strings/dec2hex.m @ 12451:c6c3fdbfede2

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untabify configure.ac
author John W. Eaton <jwe@octave.org>
date Tue, 15 Feb 2011 12:57:03 -0500
parents c792872f8942
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1 ## Copyright (C) 1996-2011 Daniel Calvelo
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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} {} dec2hex (@var{d}, @var{len})
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21 ## Return the hexadecimal string corresponding to the non-negative
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22 ## integer @var{d}. For example:
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23 ##
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24 ## @example
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25 ## @group
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26 ## dec2hex (2748)
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27 ## @result{} "ABC"
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28 ## @end group
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29 ## @end example
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30 ##
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31 ## If @var{d} is a vector, return a string matrix, one row per value,
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32 ## padded with leading zeros to the width of the largest value.
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33 ##
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34 ## The optional second argument, @var{len}, specifies the minimum
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35 ## number of digits in the result.
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36 ## @seealso{hex2dec, dec2base, dec2bin}
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37 ## @end deftypefn
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38
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39 ## Author: Daniel Calvelo <dcalvelo@yahoo.com>
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40 ## Adapted-by: Paul Kienzle <pkienzle@kienzle.powernet.co.uk>
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42 function h = dec2hex (d, len)
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43
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44 if (nargin == 1)
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45 h = dec2base (d, 16);
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46 elseif (nargin == 2)
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47 h = dec2base (d, 16, len);
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48 else
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49 print_usage ();
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50 endif
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51
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52 endfunction
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53
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54 %!assert(strcmpi (dec2hex (2748), "abc"));
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55 %!assert(strcmpi (dec2hex (2748, 5), "00abc"));
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56
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57 %% Test input validation
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58 %!error dec2hex ();
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59 %!error dec2hex (1, 2, 3);
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