octave: scripts/strings/dec2bin.m annotate

annotate scripts/strings/dec2bin.m @ 31239:dd6b37f67db2

Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) dec2bin.m: Accept negative inputs lower than -flintmax down to -2^63 Return 64-bit string in certain cases for Matlab compatibility Activate BISTs commented out earlier dec2hex.m: Remove repeated code and call dec2bin instead Accept negative inputs lower than -flintmax down to -2^63 Update and activate BISTs commented out earlier

author	Arun Giridhar <arungiridhar@gmail.com>
date	Sun, 25 Sep 2022 06:22:25 -0400
parents	5d3faba0342e
children	7018819318d1

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ########################################################################
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 ##
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	3 ## Copyright (C) 1996-2022 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	4 ##
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 ## See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 ## distribution or <https://octave.org/copyright/>.
2325 b5568c31ee2c [project @ 1996-07-15 22:20:21 by jwe] jwe parents: 2314 diff changeset	7 ##
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	8 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	9 ##
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23220 diff changeset	10 ## Octave is free software: you can redistribute it and/or modify it
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	11 ## under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23220 diff changeset	12 ## the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	13 ## (at your option) any later version.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	14 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	15 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	18 ## GNU General Public License for more details.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	19 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2311 diff changeset	20 ## 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: 6046 diff changeset	21 ## along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23220 diff changeset	22 ## <https://www.gnu.org/licenses/>.
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 ##
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ########################################################################
2268 ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	25
3361 4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	26 ## -- texinfo --
30875 5d3faba0342e doc: Ensure documentation lists output argument when it exists for all m-files. Rik <rik@octave.org> parents: 30564 diff changeset	27 ## @deftypefn {} {@var{bstr} =} dec2bin (@var{d})
5d3faba0342e doc: Ensure documentation lists output argument when it exists for all m-files. Rik <rik@octave.org> parents: 30564 diff changeset	28 ## @deftypefnx {} {@var{bstr} =} dec2bin (@var{d}, @var{len})
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	29 ## Return a string of ones and zeros representing the conversion of the integer
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	30 ## @var{d} to a binary number.
20164 df437a52bcaf doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	31 ##
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	32 ## If @var{d} is a matrix or cell array, return a string matrix with one row
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	33 ## for each element in @var{d}, padded with leading zeros to the width of the
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	34 ## largest value.
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	35 ##
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	36 ## The optional second argument, @var{len}, specifies the minimum number of
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	37 ## digits in the result.
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	38 ##
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	39 ## For negative elements of @var{d}, return the binary value of the two's
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	40 ## complement. The result is padded with leading ones to 8, 16, 32, or 64
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	41 ## bits as appropriate for the magnitude of the input. Positive input
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	42 ## elements are padded with leading zeros to the same width. If the second
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	43 ## argument @var{len} exceeds that calculated width, the result is further
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	44 ## padded with leading zeros, for compatibility with @sc{matlab}.
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	45 ##
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	46 ## Examples:
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3361 diff changeset	47 ##
3361 4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	48 ## @example
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	49 ## @group
3361 4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	50 ## dec2bin (14)
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	51 ## @result{} "1110"
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	52 ##
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	53 ## dec2bin (-14)
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	54 ## @result{} "11110010"
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	55 ## @end group
3361 4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	56 ## @end example
3789 2a257be5e488 [project @ 2001-02-09 04:12:30 by jwe] jwe parents: 3426 diff changeset	57 ##
29197 1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	58 ## Known @sc{matlab} Incompatibility: @sc{matlab}'s @code{dec2bin} allows
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	59 ## non-integer values for @var{d}, truncating the value using the equivalent
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	60 ## of @code{fix (@var{d})} for positive values, but, as of R2020b and in
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	61 ## conflict with published documentation, appears to use
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	62 ## @code{round (@var{d})} for negative values. To be consistent with
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	63 ## @code{dec2hex} and @code{dec2base}, Octave produces an error for non-integer
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	64 ## valued inputs for @var{d}. Users wanting compatible code for non-integer
1a3cb2e1644a dec2bin.m: Add docstring note about fractional input incompatibility (bug #59719). Nicholas R. Jankowski <jankowskin@asme.org> parents: 28886 diff changeset	65 ## valued inputs should make use of @code{fix} or @code{round} as appropriate.
11172 7e8ce65f73cf Overhaul functions used to convert between number bases. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	66 ## @seealso{bin2dec, dec2base, dec2hex}
3361 4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe] jwe parents: 2355 diff changeset	67 ## @end deftypefn
2268 ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	68
30875 5d3faba0342e doc: Ensure documentation lists output argument when it exists for all m-files. Rik <rik@octave.org> parents: 30564 diff changeset	69 function bstr = dec2bin (d, len)
2268 ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	70
28789 28de41192f3c Eliminate unneeded verification of nargin, nargout in m-files. Rik <rik@octave.org> parents: 28693 diff changeset	71 if (nargin == 0)
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	72 print_usage ();
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	73 endif
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	74
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	75 if (iscell (d))
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	76 d = cell2mat (d);
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	77 endif
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	78 ## Create column vector for algorithm (output is always col. vector anyways)
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	79 d = d(:);
28693 2bb050267d74 maint: Remove trailing spaces from code base. Rik <rik@octave.org> parents: 28241 diff changeset	80
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	81 neg = (d < 0); # keep track of which elements are negative
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	82 if (any (neg)) # must be a signed type
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	83 ## Cast to a suitable signed integer type, then to unsigned.
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	84 ## Ensure that the left-most bit of the unsigned number is 1,
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	85 ## to signify negative input.
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	86 tmp = int64 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	87 if (all (tmp >= -128 & tmp <= 127))
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	88 d = int8 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	89 d(neg) = (d(neg) + intmax (d)) + 1;
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	90 d = uint8 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	91 d(neg) += uint8 (128);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	92 elseif (all (tmp >= -32768 & tmp <= 32767))
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	93 d = int16 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	94 d(neg) = (d(neg) + intmax (d)) + 1;
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	95 d = uint16 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	96 d(neg) += uint16 (32768);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	97 elseif (all (tmp >= -2147483648 & tmp <= 2147483647))
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	98 d = int32 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	99 d(neg) = (d(neg) + intmax (d)) + 1;
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	100 d = uint32 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	101 d(neg) += uint32 (2147483648);
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	102 else
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	103 d = int64 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	104 d(neg) = (d(neg) + intmax (d)) + 1;
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	105 d = uint64 (d);
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	106 d(neg) += uint64 (9223372036854775808);
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	107 endif
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	108 endif
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	109
4492 819e3c246702 [project @ 2003-08-29 17:09:38 by jwe] jwe parents: 3791 diff changeset	110 if (nargin == 1)
30875 5d3faba0342e doc: Ensure documentation lists output argument when it exists for all m-files. Rik <rik@octave.org> parents: 30564 diff changeset	111 bstr = dec2base (d, 2);
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	112 else
30875 5d3faba0342e doc: Ensure documentation lists output argument when it exists for all m-files. Rik <rik@octave.org> parents: 30564 diff changeset	113 bstr = dec2base (d, 2, len);
2268 ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	114 endif
ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	115
ee5ec3133ed3 [project @ 1996-05-24 00:53:19 by jwe] jwe parents: diff changeset	116 endfunction
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	117
13167 f7cb824dc8c0 Allow cellstr inputs for dec2* conversion functions. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	118
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	119 %!assert (dec2bin (3), "11")
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	120 %!assert (dec2bin (14), "1110")
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	121 %!assert (dec2bin (14, 6), "001110")
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	122 %!assert (dec2bin ([1, 2; 3, 4]), ["001"; "011"; "010"; "100"])
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	123 %!assert (dec2bin ({1, 2; 3, 4}), ["001"; "011"; "010"; "100"])
28236 5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	124 %!assert (dec2bin ({1, 2; 3, 4}, 4), ["0001"; "0011"; "0010"; "0100"])
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	125
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	126 ## Test negative inputs
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	127 %!assert (dec2bin (-3), "11111101")
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	128 %!assert (dec2bin (-3, 3), "11111101")
5bb1c0cbb27e dec2bin.m: Allow negative number inputs (bug #58147). Nicholas R. Jankowski <jankowskin@asme.org> parents: 27985 diff changeset	129 %!assert (dec2bin (-3, 9), "011111101")
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	130 %!assert (dec2bin (-2^7 - 1), "1111111101111111")
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	131 %!assert (dec2bin (-2^15 - 1), "11111111111111110111111111111111")
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	132 %!assert (dec2bin (-2^31 - 1),
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	133 %! "1111111111111111111111111111111101111111111111111111111111111111")
28241 ef7bc64a604b dec2bin.m: Fix algorithm for numbers less than intmin ('int32') (bug #58147). Rik <rik@octave.org> parents: 28237 diff changeset	134 %!assert (dec2bin (-2^52),
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	135 %! "1111111111110000000000000000000000000000000000000000000000000000")
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	136 %!assert (dec2bin (-2^63),
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	137 %! "1000000000000000000000000000000000000000000000000000000000000000")
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	138 %!assert (dec2bin (int64 (-2) ^ 63),
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	139 %! "1000000000000000000000000000000000000000000000000000000000000000")
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	140 %!assert (dec2bin (int64 (-2) ^ 63 - 1),
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	141 %! "1000000000000000000000000000000000000000000000000000000000000000")
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	142 %!assert (dec2bin (int64 (-2) ^ 63 + 1),
dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	143 %! "1000000000000000000000000000000000000000000000000000000000000001")
28237 ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	144 %!assert (dec2bin ([-1, -2; -3, -4]),
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	145 %! ["11111111"; "11111101"; "11111110"; "11111100"])
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	146 %!assert (dec2bin ([1, 2; 3, -4]),
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	147 %! ["00000001"; "00000011"; "00000010"; "11111100"])
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	148 %!assert (dec2bin ({1, 2; 3, -4}),
ac3a078e688f dec2bin.m: Reduce number of times search for negative numbers is done (bug #58147). Rik <rik@octave.org> parents: 28236 diff changeset	149 %! ["00000001"; "00000011"; "00000010"; "11111100"])
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	150
19833 9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions. Rik <rik@octave.org> parents: 19697 diff changeset	151 ## Test input validation
28886 d8318c12d903 test: remove unnecessary BIST tests in m-files checking for excessive number of inputs. Rik <rik@octave.org> parents: 28789 diff changeset	152 %!error <Invalid call> dec2bin ()
31239 dd6b37f67db2 Accept negative inputs to -2^63 for dec2bin and dec2hex (bug #63089) Arun Giridhar <arungiridhar@gmail.com> parents: 30875 diff changeset	153

Mercurial > octave

annotate scripts/strings/dec2bin.m @ 31239:dd6b37f67db2