annotate scripts/general/num2str.m @ 21562:6c2fd62db1f7

maint: Eliminate accidental double spaces in code. * make_int.cc, file-editor-tab.h, file-editor.cc, shortcut-manager.h, __contourc__.cc, cellfun.cc, debug.cc, errwarn.h, graphics.in.h, jit-ir.h, oct-stream.cc, quadcc.cc, qz.cc, sparse-xdiv.cc, symtab.cc, __init_fltk__.cc, ov-class.cc, ov-float.h, ov-scalar.h, op-int.h, CNDArray.cc, CSparse.cc, MSparse.cc, Sparse.cc, boolNDArray.cc, chNDArray.cc, dNDArray.cc, dSparse.cc, fCNDArray.cc, fNDArray.cc, int16NDArray.cc, int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc, uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc, randgamma.h, randmtzig.h, randpoisson.c, randpoisson.h, Sparse-op-defs.h, oct-time.cc, kpse.cc, lo-array-errwarn.h, lo-ieee.h, del2.m, num2str.m, __isequal__.m, lookfor.m, hsv2rgb.m, colorspace_conversion_revert.m, fminbnd.m, create_pkgadddel.m, shading.m, struct2hdl.m, gallery.m, discrete_cdf.m, kolmogorov_smirnov_test.m, assert.m, datestr.m, classes.tst, jit.tst: Eliminate accidental double spaces in code.
author Rik <rik@octave.org>
date Wed, 30 Mar 2016 15:19:12 -0700
parents a4faec57f4c8
children bac0d6f07a3e
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rev   line source
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1 ## Copyright (C) 1993-2015 John W. Eaton
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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 {} {} num2str (@var{x})
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21 ## @deftypefnx {} {} num2str (@var{x}, @var{precision})
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22 ## @deftypefnx {} {} num2str (@var{x}, @var{format})
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23 ## Convert a number (or array) to a string (or a character array).
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24 ##
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25 ## The optional second argument may either give the number of significant
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26 ## digits (@var{precision}) to be used in the output or a format template
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27 ## string (@var{format}) as in @code{sprintf} (@pxref{Formatted Output}).
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28 ## @code{num2str} can also process complex numbers.
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29 ##
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30 ## Examples:
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31 ##
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32 ## @example
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33 ## @group
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34 ## num2str (123.456)
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35 ## @result{} "123.46"
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36 ##
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37 ## num2str (123.456, 4)
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38 ## @result{} "123.5"
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39 ##
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40 ## s = num2str ([1, 1.34; 3, 3.56], "%5.1f")
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41 ## @result{} s =
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42 ## 1.0 1.3
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43 ## 3.0 3.6
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44 ## whos s
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45 ## @result{}
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46 ## Attr Name Size Bytes Class
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47 ## ==== ==== ==== ===== =====
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48 ## s 2x8 16 char
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49 ##
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50 ## num2str (1.234 + 27.3i)
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51 ## @result{} "1.234+27.3i"
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52 ## @end group
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53 ## @end example
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54 ##
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55 ## The @code{num2str} function is not very flexible. For better control
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56 ## over the results, use @code{sprintf} (@pxref{Formatted Output}).
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57 ##
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58 ## Programming Notes:
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59 ##
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60 ## For @sc{matlab} compatibility, leading spaces are stripped before returning
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61 ## the string.
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62 ##
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63 ## Integers larger than @code{flintmax} may not be displayed correctly.
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64 ##
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65 ## For complex @var{x}, the format string may only contain one output
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66 ## conversion specification and nothing else. Otherwise, results will be
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67 ## unpredictable.
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68 ##
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69 ## Any optional @var{format} specified by the programmer is used without
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70 ## modification. This is in contrast to @sc{matlab} which tampers with the
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71 ## @var{format} based on internal heuristics.
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72 ## @seealso{sprintf, int2str, mat2str}
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73 ## @end deftypefn
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74
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75 ## Author: jwe
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76
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77 function retval = num2str (x, arg)
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78
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79 if (nargin != 1 && nargin != 2)
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80 print_usage ();
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81 elseif (! (isnumeric (x) || islogical (x) || ischar (x)))
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82 error ("num2str: X must be a numeric, logical, or character array");
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83 endif
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84
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85 if (ischar (x))
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86 retval = x;
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87 elseif (isempty (x))
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88 retval = "";
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89 elseif (isreal (x))
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90 if (nargin == 2)
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91 if (ischar (arg))
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92 fmt = arg;
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93 elseif (isnumeric (arg) && isscalar (arg) && arg >= 0 && arg == fix (arg))
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94 fmt = sprintf ("%%%d.%dg", arg+7, arg);
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95 else
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96 error ("num2str: PRECISION must be a scalar integer >= 0");
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97 endif
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98 else
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99 if (isnumeric (x))
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100 ## Set up a suitable format string while ignoring Inf/NaN entries
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101 valid = isfinite (x(:));
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102 ndgt = floor (log10 (max (abs (x(valid)))));
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103 if (isempty (ndgt) || ndgt == -Inf)
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104 ndgt = 0; # All Inf or all zero array
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105 endif
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106
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107 if (any (x(valid) != fix (x(valid))))
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108 ## Floating point input
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109 ndgt = max (ndgt + 5, 5); # Keep at least 5 significant digits
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110 ndgt = min (ndgt, 16); # Cap significant digits at 16
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111 fmt = sprintf ("%%%d.%dg", ndgt+7, ndgt);
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112 else
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113 ## Integer input
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114 ndgt += 3;
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115 if (any (! valid))
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116 ndgt = max (ndgt, 5); # Allow space for Inf/NaN
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117 endif
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118 ## FIXME: Integers should be masked to show only 16 significant digits
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119 ## See %!xtest with 1e23 below.
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120 fmt = sprintf ("%%%d.0f", ndgt);
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parents: 14363
diff changeset
121 endif
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
122 else
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
123 ## Logical input
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
124 fmt = "%3d";
14537
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
125 endif
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
126 endif
20195
ea5fdb2ae637 num2str.m: Correctly parse newlines in single-quoted format strings (bug #44684).
Rik <rik@octave.org>
parents: 20158
diff changeset
127 fmt = do_string_escapes (fmt); # required now that '\n' is interpreted.
14537
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
128 nd = ndims (x);
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
129 nc = columns (x) * (nd - 1); # ND-arrays are expanded in columns
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
130 x = permute (x, [2, 3:nd, 1]);
20266
f357e076776f num2str.m: Fixed two Matlab compatibility issues (bug #45174, bug #44864).
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents: 20195
diff changeset
131 if (! (sum (fmt == "%") > 1 || any (strcmp (fmt, {"%s", "%c"}))))
f357e076776f num2str.m: Fixed two Matlab compatibility issues (bug #45174, bug #44864).
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents: 20195
diff changeset
132 fmt = [deblank(repmat (fmt, 1, nc)), "\n"];
f357e076776f num2str.m: Fixed two Matlab compatibility issues (bug #45174, bug #44864).
Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
parents: 20195
diff changeset
133 endif
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
134 strtmp = sprintf (fmt, x);
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
135 retval = strtrim (char (ostrsplit (strtmp, "\n", true)));
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
136 else # Complex matrix input
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
137 if (nargin == 2)
5443
ec8c33dcd1bf [project @ 2005-09-08 01:40:57 by jwe]
jwe
parents: 5355
diff changeset
138 if (ischar (arg))
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
139 fmt = [deblank(arg) "%-+" arg(2:end) "i"];
19725
5f2c0ca0ef51 Ensure that numbers passed to integer *printf format codes are integers (bug #44245).
Rik <rik@octave.org>
parents: 19700
diff changeset
140 elseif (isnumeric (arg) && isscalar (arg) && arg >= 0 && arg == fix (arg))
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
141 fmt = sprintf ("%%%d.%dg%%-+%d.%dgi", arg+7, arg, arg+7, arg);
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
142 else
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
143 error ("num2str: PRECISION must be a scalar integer >= 0");
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
144 endif
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
145 else
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
146 ## Set up a suitable format string while ignoring Inf/NaN entries
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
147 valid_real = isfinite (real (x(:)));
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
148 valid_imag = isfinite (imag (x(:)));
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
149 ndgt = floor (log10 (max (max (abs (real (x(valid_real)))),
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
150 max (abs (imag (x(valid_imag)))))));
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
151 if (isempty (ndgt) || ndgt == -Inf)
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
152 ndgt = 0; # All Inf or all zero array
17292
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
153 endif
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
154
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
155 if (any (x(valid_real & valid_imag) != fix (x(valid_real & valid_imag))))
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
156 ## Floating point input
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
157 ndgt = max (ndgt + 5, 5); # Keep at least 5 significant digits
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
158 ndgt = min (ndgt, 16); # Cap significant digits at 16
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
159 fmt = sprintf ("%%%d.%dg%%-+%d.%dgi", ndgt+7, ndgt, ndgt+7, ndgt);
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
160 else
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
161 ## Integer input
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
162 ndgt += 3;
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
163 ## FIXME: Integers should be masked to show only 16 significant digits
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
164 ## See %!xtest below
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
165 fmt = sprintf ("%%%d.0f%%-+%d.0fi", ndgt, ndgt);
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
166 endif
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
167 endif
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
168
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
169 ## Manipulate the complex value to have real values in the odd
4914
1c0442da75fd [project @ 2004-07-23 16:55:13 by jwe]
jwe
parents: 4911
diff changeset
170 ## columns and imaginary values in the even columns.
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
171 nd = ndims (x);
14537
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
172 nc = columns (x);
12676
2783fa95cab7 Use common code idiom for creating cell array for indexing ND-arrays
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
173 idx = repmat ({':'}, nd, 1);
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
174 perm(1:2:2*nc) = 1:nc;
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
175 perm(2:2:2*nc) = nc + (1:nc);
4914
1c0442da75fd [project @ 2004-07-23 16:55:13 by jwe]
jwe
parents: 4911
diff changeset
176 idx{2} = perm;
7208
a730e47fda4d [project @ 2007-11-28 02:32:41 by jwe]
jwe
parents: 7017
diff changeset
177 x = horzcat (real (x), imag (x));
4914
1c0442da75fd [project @ 2004-07-23 16:55:13 by jwe]
jwe
parents: 4911
diff changeset
178 x = x(idx{:});
21076
b433f9990452 strip trailing whitespace from files
John W. Eaton <jwe@octave.org>
parents: 21057
diff changeset
179
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
180 fmt = [deblank(repmat(fmt, 1, nc * (nd - 1))), "\n"];
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
181 tmp = sprintf (fmt, permute (x, [2, 3:nd, 1]));
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
182
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
183 ## Put the "i"'s where they are supposed to be.
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
184 tmp = regexprep (tmp, " +i\n", "i\n");
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
185 tmp = regexprep (tmp, "( +)i", "i$1");
4878
4eaf35cfdb11 [project @ 2004-04-23 15:42:10 by jwe]
jwe
parents: 4691
diff changeset
186
16724
b7667fcb9fbc Substitute ostrsplit() for strsplit().
Ben Abbott <bpabbott@mac.com>
parents: 16403
diff changeset
187 retval = strtrim (char (ostrsplit (tmp(1:end-1), "\n")));
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
188 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
189
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
190 endfunction
7411
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7208
diff changeset
191
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7208
diff changeset
192
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
193 %!assert (num2str (123), "123")
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
194 %!assert (num2str (1.23), "1.23")
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
195 %!assert (num2str (123.456, 4), "123.5")
21562
6c2fd62db1f7 maint: Eliminate accidental double spaces in code.
Rik <rik@octave.org>
parents: 21317
diff changeset
196 %!assert (num2str ([1, 1.34; 3, 3.56], "%5.1f"), ["1.0 1.3"; "3.0 3.6"])
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
197 %!assert (num2str (1.234 + 27.3i), "1.234+27.3i")
21317
a4faec57f4c8 maint: remove semicolon after %!assert tests to follow Octave conventions.
Rik <rik@octave.org>
parents: 21076
diff changeset
198 %!assert (num2str ([true false true]), "1 0 1")
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
199
14537
f8e041f11b18 num2str.m: Update function to address bug #36117 and bug #36121.
Rik <octave@nomad.inbox5.com>
parents: 14363
diff changeset
200 %!assert (num2str (19440606), "19440606")
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
201 %!assert (num2str (2^33), "8589934592")
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
202 %!assert (num2str (-2^33), "-8589934592")
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
203 %!assert (num2str (2^33+1i), "8589934592+1i")
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
204 %!assert (num2str (-2^33+1i), "-8589934592+1i")
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
205 %!assert (num2str ([0 0 0]), "0 0 0")
15732
82b0ad43a939 num2str: Take into account inf inputs. Add tests for inf and NaN
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14538
diff changeset
206 %!assert (num2str (inf), "Inf")
17292
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
207 %!assert (num2str ([inf -inf]), "Inf -Inf")
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
208 %!assert (num2str ([inf NaN -inf]), "Inf NaN -Inf")
17292
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
209 %!assert (num2str ([complex(Inf,0), complex(0,-Inf)]), "Inf+0i 0-Infi")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
210 %!assert (num2str (complex(Inf,1)), "Inf+1i")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
211 %!assert (num2str (complex(1,Inf)), "1+Infi")
15732
82b0ad43a939 num2str: Take into account inf inputs. Add tests for inf and NaN
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 14538
diff changeset
212 %!assert (num2str (nan), "NaN")
17292
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
213 %!assert (num2str (complex (NaN, 1)), "NaN+1i")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
214 %!assert (num2str (complex (1, NaN)), "1+NaNi")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
215 %!assert (num2str (NA), "NA")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
216 %!assert (num2str (complex (NA, 1)), "NA+1i")
c5073ed27cdc Handle '+' format modifier in sprintf (bug #39773)
Rik <rik@octave.org>
parents: 16994
diff changeset
217 %!assert (num2str (complex (1, NA)), "1+NAi")
14538
34c932e669c8 num2str.m: Redraft code for better Matlab compatibility.
Rik <octave@nomad.inbox5.com>
parents: 14537
diff changeset
218
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
219 ## ND-arrays are concatenated in columns
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
220 %!shared m, x
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
221 %! m = magic (3);
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
222 %! x = cat (3, m, -m);
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
223
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
224 ## real case
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
225 %!test
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
226 %! y = num2str (x);
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
227 %! assert (rows (y) == 3);
21057
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
228 %! assert (y, ["8 1 6 -8 -1 -6"
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
229 %! "3 5 7 -3 -5 -7"
b0afe1993268 Overhaul num2str.m and int2str.m for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 21003
diff changeset
230 %! "4 9 2 -4 -9 -2"]);
21003
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
231
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
232 ## complex case
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
233 %!test
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
234 %! x(1,1,2) = -8+2i;
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
235 %! y = num2str (x);
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
236 %! assert (rows (y) == 3);
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
237 %! assert (y, ["8+0i 1+0i 6+0i -8+2i -1+0i -6+0i"
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
238 %! "3+0i 5+0i 7+0i -3+0i -5+0i -7+0i"
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
Rik <rik@octave.org>
parents: 20852
diff changeset
239 %! "4+0i 9+0i 2+0i -4+0i -9+0i -2+0i"]);
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240
b51078f07886 num2str.m: Expand ND-arrays in columns for Matlab compatibility (bug #46770).
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241 ## Clear shared variables
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242 %!shared
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243
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244 ## FIXME: Integers greater than flintmax() - 1 should be masked to show just
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245 ## 16 digits of precision.
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246 %!xtest
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247 %! assert (num2str (1e23), "100000000000000000000000");
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Rik <octave@nomad.inbox5.com>
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248
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249 ## Test for bug #44864, extra rows generated from newlines in format
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250 %!assert (rows (num2str (magic (3), "%3d %3d %3d\n")), 3)
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251
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Juan Pablo Carbajal <ajuanpi+dev@gmail.com>
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252 ## Test for bug #45174
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253 %!assert (num2str ([65 66 67], "%s"), "ABC")
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254
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255 %!error num2str ()
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256 %!error num2str (1, 2, 3)
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257 %!error <X must be a numeric> num2str ({1})
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258 %!error <PRECISION must be a scalar integer .= 0> num2str (1, {1})
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259 %!error <PRECISION must be a scalar integer .= 0> num2str (1, ones (2))
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260 %!error <PRECISION must be a scalar integer .= 0> num2str (1, -1)
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261 %!error <PRECISION must be a scalar integer .= 0> num2str (1, 1.5)
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262 %!error <PRECISION must be a scalar integer .= 0> num2str (1+1i, {1})
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parents: 21003
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263 %!error <PRECISION must be a scalar integer .= 0> num2str (1+1i, ones (2))
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Rik <rik@octave.org>
parents: 21003
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264 %!error <PRECISION must be a scalar integer .= 0> num2str (1+1i, -1)
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parents: 21003
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265 %!error <PRECISION must be a scalar integer .= 0> num2str (1+1i, 1.5)
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266