octave-antonio: scripts/strings/dec2base.m annotate

annotate scripts/strings/dec2base.m @ 13309:1f075333d9e8

dec2base.m: Code tweaks for slightly better performance. * dec2base.m: Code tweaks for slightly better performance. Use Octave syntax guidelines on spacing and 'endfor' keyword.

author	Rik <octave@nomad.inbox5.com>
date	Mon, 10 Oct 2011 11:12:34 -0700
parents	f7cb824dc8c0
children	72c96de7a403

rev	line source
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11469 diff changeset	1 ## Copyright (C) 2000-2011 Daniel Calvelo
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	2 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	3 ## This file is part of Octave.
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	4 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	8 ## your option) any later version.
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	9 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	13 ## General Public License for more details.
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	14 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	17 ## <http://www.gnu.org/licenses/>.
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	18
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 11172 diff changeset	20 ## @deftypefn {Function File} {} dec2base (@var{d}, @var{base})
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 11172 diff changeset	21 ## @deftypefnx {Function File} {} dec2base (@var{d}, @var{base}, @var{len})
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 11172 diff changeset	22 ## Return a string of symbols in base @var{base} corresponding to
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	23 ## the non-negative integer @var{d}.
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	24 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	25 ## @example
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	26 ## @group
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	27 ## dec2base (123, 3)
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	28 ## @result{} "11120"
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	29 ## @end group
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	30 ## @end example
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	31 ##
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	32 ## If @var{d} is a matrix or cell array, return a string matrix with one
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	33 ## row per element in @var{d}, padded with leading zeros to the width of
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	34 ## the largest value.
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	35 ##
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 11172 diff changeset	36 ## If @var{base} is a string then the characters of @var{base} are used as
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	37 ## the symbols for the digits of @var{d}. Space (' ') may not be used
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	38 ## as a symbol.
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	39 ##
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	40 ## @example
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	41 ## @group
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	42 ## dec2base (123, "aei")
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	43 ## @result{} "eeeia"
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	44 ## @end group
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	45 ## @end example
4492 819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	46 ##
819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	47 ## The optional third argument, @var{len}, specifies the minimum
819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	48 ## number of digits in the result.
11172 7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 11169 diff changeset	49 ## @seealso{base2dec, dec2bin, dec2hex}
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	50 ## @end deftypefn
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	51
3791 c1c532a0acb2 [project @ 2001-02-09 15:28:23 by jwe] jwe parents: 3789 diff changeset	52 ## Author: Daniel Calvelo <dcalvelo@yahoo.com>
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	53 ## Adapted-by: Paul Kienzle <pkienzle@kienzle.powernet.co.uk>
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	54
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	55 function retval = dec2base (d, base, len)
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	56
4492 819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	57 if (nargin < 2 \|\| nargin > 3)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5642 diff changeset	58 print_usage ();
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	59 endif
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	60
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	61 if (iscell (d))
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	62 d = cell2mat (d);
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	63 endif
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	64
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	65 # Create column vector for algorithm
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	66 if (! iscolumn (d))
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	67 d = d(:);
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	68 endif
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	69
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	70 if (! isnumeric (d) \|\| iscomplex (d) \|\| any (d < 0 \| d != fix (d)))
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	71 error ("dec2base: input must be real non-negative integers");
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	72 endif
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	73
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	74 symbols = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
5443 ec8c33dcd1bf [project @ 2005-09-08 01:40:57 by jwe] jwe parents: 5407 diff changeset	75 if (ischar (base))
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	76 symbols = base;
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	77 base = length (symbols);
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	78 if (length (unique (symbols)) != base)
5407 2911127d0fe7 [project @ 2005-07-08 15:37:30 by jwe] jwe parents: 5400 diff changeset	79 error ("dec2base: symbols representing digits must be unique");
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	80 endif
11172 7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 11169 diff changeset	81 if (any (isspace (symbols)))
7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 11169 diff changeset	82 error ("dec2base: whitespace characters are not valid symbols");
7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 11169 diff changeset	83 endif
4030 22bd65326ec1 [project @ 2002-08-09 18:58:13 by jwe] jwe parents: 3791 diff changeset	84 elseif (! isscalar (base))
5407 2911127d0fe7 [project @ 2005-07-08 15:37:30 by jwe] jwe parents: 5400 diff changeset	85 error ("dec2base: cannot convert from several bases at once");
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	86 elseif (base < 2 \|\| base > length (symbols))
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	87 error ("dec2base: BASE must be between 2 and 36, or a string of symbols");
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	88 endif
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	89
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	90 ## determine number of digits required to handle all numbers, can overflow
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	91 ## by 1 digit
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	92 max_len = round (log (max (max (d(:)), 1)) / log (base)) + 1;
4492 819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	93
819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	94 if (nargin == 3)
819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	95 max_len = max (max_len, len);
819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 4030 diff changeset	96 endif
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	97
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	98 ## determine digits for each number
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	99 digits = zeros (length (d), max_len);
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	100 for k = max_len:-1:1
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	101 digits(:,k) = mod (d, base);
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	102 d = round ((d - digits(:,k)) / base);
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	103 endfor
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	104
2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	105 ## convert digits to symbols
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	106 retval = reshape (symbols(digits+1), size (digits));
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	107
5133 7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	108 ## Check if the first element is the zero symbol. It seems possible
7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	109 ## that LEN is provided, and is less than the computed MAX_LEN and
7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	110 ## MAX_LEN is computed to be one larger than necessary, so we would
7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	111 ## have a leading zero to remove. But if LEN >= MAX_LEN, we should
7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	112 ## not remove any leading zeros.
7191f6e086f9 [project @ 2005-02-08 19:17:41 by jwe] jwe parents: 5125 diff changeset	113 if ((nargin == 2 \|\| (nargin == 3 && max_len > len))
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	114 && length (retval) != 1 && ! any (retval(:,1) != symbols(1)))
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	115 retval = retval(:,2:end);
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	116 endif
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	117
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: diff changeset	118 endfunction
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	119
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	120
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	121 %!test
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	122 %! s0 = '';
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	123 %! for n = 1:13
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	124 %! for b = 2:16
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	125 %! pp = dec2base (b^n+1, b);
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	126 %! assert (dec2base(b^n, b), ['1',s0,'0']);
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	127 %! assert (dec2base(b^n+1, b), ['1',s0,'1']);
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	128 %! endfor
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	129 %! s0 = [s0,'0'];
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	130 %! endfor
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	131
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	132 %!test
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	133 %! digits='0123456789ABCDEF';
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	134 %! for n = 1:13
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	135 %! for b = 2:16
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	136 %! pm = dec2base(b^n-1, b);
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	137 %! assert (length (pm), n);
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	138 %! assert (all (pm==digits(b)));
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	139 %! endfor
1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	140 %! endfor
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	141
8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	142 %!test
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	143 %! for b = 2:16
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	144 %! assert (dec2base (0, b), '0');
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	145 %! endfor
5125 8bf86c0fad1b [project @ 2005-01-27 17:50:57 by jwe] jwe parents: 4492 diff changeset	146
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	147 %!assert(dec2base (0, 2, 4), "0000");
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	148 %!assert(dec2base (2^51-1, 2), ...
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	149 %! '111111111111111111111111111111111111111111111111111');
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	150 %!assert(dec2base(uint64(2)^63-1, 16), '7FFFFFFFFFFFFFFF');
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	151 %!assert(dec2base([1, 2; 3, 4], 2, 3), ["001"; "011"; "010"; "100"]);
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	152 %!assert(dec2base({1, 2; 3, 4}, 2, 3), ["001"; "011"; "010"; "100"]);
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	153
11172 7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 11169 diff changeset	154 %%Test input validation
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	155 %!error dec2base ()
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	156 %!error dec2base (1)
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	157 %!error dec2base (1, 2, 3, 4)
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	158 %!error dec2base ("A")
f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11587 diff changeset	159 %!error dec2base (2i)
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	160 %!error dec2base (-1)
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	161 %!error dec2base (1.1)
13309 1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	162 %!error dec2base (1, "ABA")
1f075333d9e8 dec2base.m: Code tweaks for slightly better performance. Rik <octave@nomad.inbox5.com> parents: 13167 diff changeset	163 %!error dec2base (1, "A B")
11169 51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	164 %!error dec2base (1, ones(2))
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	165 %!error dec2base (1, 1)
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	166 %!error dec2base (1, 37)
51beeeff9027 Update dec2base to handle numbers up to 2^64-1. Rik <octave@nomad.inbox5.com> parents: 9844 diff changeset	167

Mercurial > octave-antonio

annotate scripts/strings/dec2base.m @ 13309:1f075333d9e8