Mercurial > octave-antonio
annotate scripts/strings/mat2str.m @ 14868:5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
* lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m,
colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m,
int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m,
__isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m,
rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m,
inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m,
gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m,
ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m,
compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m,
getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m,
__xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m,
fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m,
copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m,
installed_packages.m, is_architecture_dependent.m, load_package_dirs.m,
print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m,
allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m,
comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m,
fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m,
mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m,
polar.m, print.m, __add_datasource__.m, __add_default_menu__.m,
__axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m,
__errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m,
__ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m,
__go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m,
__stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m,
__uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m,
ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m,
surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m,
mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m,
ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m,
addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m,
arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m,
hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m,
stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m,
__sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m,
treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m,
magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m,
quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m,
bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m,
kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m,
z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m,
strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m,
test.m, now.m: Use Octave coding conventions for cuddling parentheses in
scripts directory.
author | Rik <octave@nomad.inbox5.com> |
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date | Tue, 17 Jul 2012 07:08:39 -0700 |
parents | f3d52523cde1 |
children | 333243133364 |
rev | line source |
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1 ## Copyright (C) 2002-2012 Rolf Fabian |
5837 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
5837 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
14 ## | |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
5837 | 18 |
19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {@var{s} =} mat2str (@var{x}, @var{n}) |
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21 ## @deftypefnx {Function File} {@var{s} =} mat2str (@var{x}, @var{n}, "class") |
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22 ## Format real, complex, and logical matrices as strings. The |
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23 ## returned string may be used to reconstruct the original matrix by using |
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24 ## the @code{eval} function. |
5837 | 25 ## |
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26 ## The precision of the values is given by @var{n}. If @var{n} is a |
5837 | 27 ## scalar then both real and imaginary parts of the matrix are printed |
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28 ## to the same precision. Otherwise @code{@var{n}(1)} defines the |
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29 ## precision of the real part and @code{@var{n}(2)} defines the |
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30 ## precision of the imaginary part. The default for @var{n} is 15. |
5837 | 31 ## |
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32 ## If the argument "class" is given then the class of @var{x} is |
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33 ## included in the string in such a way that @code{eval} will result in the |
5837 | 34 ## construction of a matrix of the same class. |
35 ## | |
36 ## @example | |
37 ## @group | |
8507 | 38 ## mat2str ([ -1/3 + i/7; 1/3 - i/7 ], [4 2]) |
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39 ## @result{} "[-0.3333+0.14i;0.3333-0.14i]" |
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40 ## |
8507 | 41 ## mat2str ([ -1/3 +i/7; 1/3 -i/7 ], [4 2]) |
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42 ## @result{} "[-0.3333+0i 0+0.14i;0.3333+0i -0-0.14i]" |
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43 ## |
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44 ## mat2str (int16 ([1 -1]), "class") |
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45 ## @result{} "int16([1 -1])" |
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46 ## |
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47 ## mat2str (logical (eye (2))) |
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48 ## @result{} "[true false;false true]" |
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49 ## |
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50 ## isequal (x, eval (mat2str (x))) |
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51 ## @result{} 1 |
5837 | 52 ## @end group |
53 ## @end example | |
54 ## | |
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55 ## @seealso{sprintf, num2str, int2str} |
5837 | 56 ## @end deftypefn |
57 | |
7016 | 58 ## Author: Rolf Fabian <fabian@tu-cottbus.de> |
59 | |
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60 function s = mat2str (x, n = 15, cls = "") |
5837 | 61 |
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62 if (nargin < 1 || nargin > 3 || ! (isnumeric (x) || islogical (x))) |
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63 print_usage (); |
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64 elseif (ndims (x) > 2) |
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65 error ("mat2str: X must be two dimensional"); |
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66 endif |
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67 |
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68 if (nargin == 2 && ischar (n)) |
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69 cls = n; |
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70 n = 15; |
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71 elseif (isempty (n)) |
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72 n = 15; # Default precision |
5837 | 73 endif |
74 | |
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75 x_islogical = islogical (x); |
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76 x_iscomplex = iscomplex (x); |
5838 | 77 |
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78 if (x_iscomplex) |
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79 if (isscalar (n)) |
5837 | 80 n = [n, n]; |
81 endif | |
5838 | 82 fmt = sprintf ("%%.%dg%%+.%dgi", n(1), n(2)); |
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83 elseif (x_islogical) |
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84 v = {"false", "true"}; |
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85 fmt = "%s"; |
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86 else |
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87 fmt = sprintf ("%%.%dg", n(1)); |
5837 | 88 endif |
89 | |
5838 | 90 nel = numel (x); |
5837 | 91 |
5838 | 92 if (nel == 0) |
93 ## Empty, only print brackets | |
5837 | 94 s = "[]"; |
5838 | 95 elseif (nel == 1) |
96 ## Scalar X, don't print brackets | |
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97 if (x_iscomplex) |
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98 s = sprintf (fmt, real (x), imag (x)); |
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99 elseif (x_islogical) |
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100 s = v{x+1}; |
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101 else |
5838 | 102 s = sprintf (fmt, x); |
5837 | 103 endif |
5838 | 104 else |
105 ## Non-scalar X, print brackets | |
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106 fmt = cstrcat (fmt, " "); |
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107 if (x_iscomplex) |
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108 t = x.'; |
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109 s = sprintf (fmt, [real(t(:))'; imag(t(:))']); |
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110 elseif (x_islogical) |
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111 t = v(x+1); |
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112 s = cstrcat (sprintf (fmt, t{:})); |
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113 else |
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114 s = sprintf (fmt, x.'); |
5837 | 115 endif |
116 | |
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117 s = cstrcat ("[", s); |
5838 | 118 s(end) = "]"; |
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119 idx = strfind (s, " "); |
5946 | 120 nc = columns (x); |
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121 s(idx(nc:nc:end)) = ";"; |
5837 | 122 endif |
123 | |
124 if (strcmp ("class", cls)) | |
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125 s = cstrcat (class (x), "(", s, ")"); |
5837 | 126 endif |
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127 |
5837 | 128 endfunction |
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129 |
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130 |
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131 %!assert (mat2str (0.7), "0.7") |
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132 %!assert (mat2str (pi), "3.14159265358979") |
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133 %!assert (mat2str (pi, 5), "3.1416") |
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134 %!assert (mat2str (single (pi), 5, "class"), "single(3.1416)") |
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135 %!assert (mat2str ([-1/3 + i/7; 1/3 - i/7], [4 2]), "[-0.3333+0.14i;0.3333-0.14i]") |
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136 %!assert (mat2str ([-1/3 +i/7; 1/3 -i/7], [4 2]), "[-0.3333+0i 0+0.14i;0.3333+0i -0-0.14i]") |
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137 %!assert (mat2str (int16 ([1 -1]), "class"), "int16([1 -1])") |
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138 %!assert (mat2str (true), "true") |
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Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
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139 %!assert (mat2str (false), "false") |
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Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents:
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140 %!assert (mat2str (logical (eye (2))), "[true false;false true]") |
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Rik <octave@nomad.inbox5.com>
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141 |
c215352ddb4f
mat2str.m: Use more modern code syntax for function
Rik <octave@nomad.inbox5.com>
parents:
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142 %% Test input validation |
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mat2str.m: Use more modern code syntax for function
Rik <octave@nomad.inbox5.com>
parents:
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143 %!error mat2str () |
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Rik <octave@nomad.inbox5.com>
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144 %!error mat2str (1,2,3,4) |
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145 %!error mat2str (["Hello"]) |
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maint: Use Octave coding conventions for cuddling parentheses in scripts directory
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146 %!error <X must be two dimensional> mat2str (ones (3,3,2)) |
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147 |