annotate scripts/miscellaneous/compare_versions.m @ 14363:f3d52523cde1

Use Octave coding conventions in all m-file %!test blocks * wavread.m, acosd.m, acot.m, acotd.m, acoth.m, acsc.m, acscd.m, acsch.m, asec.m, asecd.m, asech.m, asind.m, atand.m, cosd.m, cot.m, cotd.m, coth.m, csc.m, cscd.m, csch.m, sec.m, secd.m, sech.m, sind.m, tand.m, accumarray.m, accumdim.m, bitcmp.m, bitget.m, bitset.m, blkdiag.m, cart2pol.m, cart2sph.m, celldisp.m, chop.m, circshift.m, colon.m, common_size.m, cplxpair.m, cumtrapz.m, curl.m, dblquad.m, deal.m, divergence.m, flipdim.m, fliplr.m, flipud.m, genvarname.m, gradient.m, idivide.m, int2str.m, interp1.m, interp1q.m, interp2.m, interp3.m, interpft.m, interpn.m, isa.m, isdir.m, isequal.m, isequalwithequalnans.m, issquare.m, logspace.m, nargchk.m, narginchk.m, nargoutchk.m, nextpow2.m, nthargout.m, num2str.m, pol2cart.m, polyarea.m, postpad.m, prepad.m, profile.m, profshow.m, quadgk.m, quadv.m, randi.m, rat.m, repmat.m, rot90.m, rotdim.m, shift.m, shiftdim.m, sph2cart.m, structfun.m, trapz.m, triplequad.m, convhull.m, dsearch.m, dsearchn.m, griddata3.m, griddatan.m, rectint.m, tsearchn.m, __makeinfo__.m, doc.m, get_first_help_sentence.m, help.m, type.m, unimplemented.m, which.m, imread.m, imwrite.m, dlmwrite.m, fileread.m, is_valid_file_id.m, strread.m, textread.m, textscan.m, commutation_matrix.m, cond.m, condest.m, cross.m, duplication_matrix.m, expm.m, housh.m, isdefinite.m, ishermitian.m, issymmetric.m, logm.m, normest.m, null.m, onenormest.m, orth.m, planerot.m, qzhess.m, rank.m, rref.m, trace.m, vech.m, ans.m, bincoeff.m, bug_report.m, bzip2.m, comma.m, compare_versions.m, computer.m, edit.m, fileparts.m, fullfile.m, getfield.m, gzip.m, info.m, inputname.m, isappdata.m, isdeployed.m, ismac.m, ispc.m, isunix.m, list_primes.m, ls.m, mexext.m, namelengthmax.m, news.m, orderfields.m, paren.m, recycle.m, rmappdata.m, semicolon.m, setappdata.m, setfield.m, substruct.m, symvar.m, ver.m, version.m, warning_ids.m, xor.m, fminbnd.m, fsolve.m, fzero.m, lsqnonneg.m, optimset.m, pqpnonneg.m, sqp.m, matlabroot.m, __gnuplot_drawnow__.m, __plt_get_axis_arg__.m, ancestor.m, cla.m, clf.m, close.m, colorbar.m, colstyle.m, comet3.m, contourc.m, figure.m, gca.m, gcbf.m, gcbo.m, gcf.m, ginput.m, graphics_toolkit.m, gtext.m, hggroup.m, hist.m, hold.m, isfigure.m, ishghandle.m, ishold.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m, line.m, loglog.m, loglogerr.m, meshgrid.m, ndgrid.m, newplot.m, orient.m, patch.m, plot3.m, plotyy.m, __print_parse_opts__.m, quiver3.m, refreshdata.m, ribbon.m, semilogx.m, semilogxerr.m, semilogy.m, stem.m, stem3.m, subplot.m, title.m, uigetfile.m, view.m, whitebg.m, compan.m, conv.m, deconv.m, mkpp.m, mpoles.m, pchip.m, poly.m, polyaffine.m, polyder.m, polyfit.m, polygcd.m, polyint.m, polyout.m, polyval.m, polyvalm.m, ppder.m, ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, intersect.m, ismember.m, powerset.m, setdiff.m, setxor.m, union.m, unique.m, autoreg_matrix.m, bartlett.m, blackman.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, freqz.m, hamming.m, hanning.m, ifftshift.m, sinc.m, sinetone.m, sinewave.m, unwrap.m, bicg.m, bicgstab.m, gmres.m, gplot.m, nonzeros.m, pcg.m, pcr.m, spaugment.m, spconvert.m, spdiags.m, speye.m, spfun.m, spones.m, sprand.m, sprandsym.m, spstats.m, spy.m, svds.m, treelayout.m, bessel.m, beta.m, betaln.m, factor.m, factorial.m, isprime.m, lcm.m, legendre.m, nchoosek.m, nthroot.m, perms.m, pow2.m, primes.m, reallog.m, realpow.m, realsqrt.m, hadamard.m, hankel.m, hilb.m, invhilb.m, magic.m, rosser.m, vander.m, __finish__.m, center.m, cloglog.m, corr.m, cov.m, gls.m, histc.m, iqr.m, kendall.m, kurtosis.m, logit.m, mahalanobis.m, mean.m, meansq.m, median.m, mode.m, moment.m, ols.m, ppplot.m, prctile.m, probit.m, quantile.m, range.m, ranks.m, run_count.m, runlength.m, skewness.m, spearman.m, statistics.m, std.m, table.m, var.m, zscore.m, betacdf.m, betainv.m, betapdf.m, betarnd.m, binocdf.m, binoinv.m, binopdf.m, binornd.m, cauchy_cdf.m, cauchy_inv.m, cauchy_pdf.m, cauchy_rnd.m, chi2cdf.m, chi2inv.m, chi2pdf.m, chi2rnd.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, discrete_rnd.m, empirical_cdf.m, empirical_inv.m, empirical_pdf.m, empirical_rnd.m, expcdf.m, expinv.m, exppdf.m, exprnd.m, fcdf.m, finv.m, fpdf.m, frnd.m, gamcdf.m, gaminv.m, gampdf.m, gamrnd.m, geocdf.m, geoinv.m, geopdf.m, geornd.m, hygecdf.m, hygeinv.m, hygepdf.m, hygernd.m, kolmogorov_smirnov_cdf.m, laplace_cdf.m, laplace_inv.m, laplace_pdf.m, laplace_rnd.m, logistic_cdf.m, logistic_inv.m, logistic_pdf.m, logistic_rnd.m, logncdf.m, logninv.m, lognpdf.m, lognrnd.m, nbincdf.m, nbininv.m, nbinpdf.m, nbinrnd.m, normcdf.m, norminv.m, normpdf.m, normrnd.m, poisscdf.m, poissinv.m, poisspdf.m, poissrnd.m, stdnormal_cdf.m, stdnormal_inv.m, stdnormal_pdf.m, stdnormal_rnd.m, tcdf.m, tinv.m, tpdf.m, trnd.m, unidcdf.m, unidinv.m, unidpdf.m, unidrnd.m, unifcdf.m, unifinv.m, unifpdf.m, unifrnd.m, wblcdf.m, wblinv.m, wblpdf.m, wblrnd.m, kolmogorov_smirnov_test.m, kruskal_wallis_test.m, base2dec.m, bin2dec.m, blanks.m, cstrcat.m, deblank.m, dec2base.m, dec2bin.m, dec2hex.m, findstr.m, hex2dec.m, index.m, isletter.m, mat2str.m, rindex.m, str2num.m, strcat.m, strjust.m, strmatch.m, strsplit.m, strtok.m, strtrim.m, strtrunc.m, substr.m, validatestring.m, demo.m, example.m, fail.m, speed.m, addtodate.m, asctime.m, clock.m, ctime.m, date.m, datenum.m, datetick.m, datevec.m, eomday.m, etime.m, is_leap_year.m, now.m: Use Octave coding conventions in all m-file %!test blocks
author Rik <octave@nomad.inbox5.com>
date Mon, 13 Feb 2012 07:29:44 -0800
parents 72c96de7a403
children 86854d032a37
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rev   line source
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2006-2012 Bill Denney
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} compare_versions (@var{v1}, @var{v2}, @var{operator})
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21 ## Compare two version strings using the given @var{operator}.
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22 ##
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23 ## This function assumes that versions @var{v1} and @var{v2} are
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24 ## arbitrarily long strings made of numeric and period characters
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25 ## possibly followed by an arbitrary string (e.g., "1.2.3", "0.3",
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26 ## "0.1.2+", or "1.2.3.4-test1").
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27 ##
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28 ## The version is first split into numeric and character portions
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29 ## and then the parts are padded to be the same length (i.e., "1.1" would be
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30 ## padded to be "1.1.0" when being compared with "1.1.1", and
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31 ## separately, the character parts of the strings are padded with
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32 ## nulls).
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33 ##
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34 ## The operator can be any logical operator from the set
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35 ##
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36 ## @itemize @bullet
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37 ## @item
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38 ## "=="
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39 ## equal
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40 ##
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41 ## @item
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42 ## "<"
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43 ## less than
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44 ##
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45 ## @item
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46 ## "<="
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47 ## less than or equal to
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48 ##
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49 ## @item
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50 ## ">"
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51 ## greater than
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52 ##
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53 ## @item
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54 ## ">="
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55 ## greater than or equal to
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56 ##
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57 ## @item
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58 ## "!="
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59 ## not equal
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60 ##
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61 ## @item
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62 ## "~="
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63 ## not equal
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64 ## @end itemize
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65 ##
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66 ## Note that version "1.1-test2" will compare as greater than
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67 ## "1.1-test10". Also, since the numeric part is compared first, "a"
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68 ## compares less than "1a" because the second string starts with a
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69 ## numeric part even though @code{double("a")} is greater than
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70 ## @code{double("1").}
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71 ## @end deftypefn
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72
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73 ## Author: Bill Denney <denney@seas.upenn.edu>
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74
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75 function out = compare_versions (v1, v2, operator)
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76
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77 if (nargin != 3)
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78 print_usage ();
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79 endif
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80
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81 ## Make sure that the version numbers are valid.
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82 if (! (ischar (v1) && ischar (v2)))
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83 error ("compare_versions: both version numbers must be strings");
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84 elseif (rows (v1) != 1 || rows (v2) != 1)
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85 error ("compare_versions: version numbers must be a single row");
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86 endif
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87
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88 ## check and make sure that the operator is valid
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89 if (! ischar (operator))
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90 error ("compare_versions: OPERATOR must be a character string");
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91 elseif (numel (operator) > 2)
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92 error("compare_versions: OPERATOR must be 1 or 2 characters long");
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93 endif
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94
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95 ## trim off any character data that is not part of a normal version
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96 ## number
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97 numbers = "0123456789.";
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98
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99 v1firstchar = find (! ismember (v1, numbers), 1);
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100 v2firstchar = find (! ismember (v2, numbers), 1);
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101 if (! isempty (v1firstchar))
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102 v1c = v1(v1firstchar:length(v1));
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103 v1nochar = v1(1:v1firstchar-1);
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104 else
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105 v1c = "";
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106 v1nochar = v1;
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107 endif
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108 if (! isempty (v2firstchar))
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109 v2c = v2(v2firstchar:length(v2));
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110 v2nochar = v2(1:v2firstchar-1);
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111 else
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112 v2c = "";
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113 v2nochar = v2;
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114 endif
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115
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116 v1n = str2num (char (strsplit (v1nochar, ".")));
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117 v2n = str2num (char (strsplit (v2nochar, ".")));
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118 if ((isempty (v1n) && isempty (v1c)) || (isempty (v2n) && isempty(v2c)))
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119 error ("compare_versions: given version strings are not valid: %s %s",
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120 v1, v2);
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121 endif
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122
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123 ## Assume that any additional elements would be 0 if one is longer
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124 ## than the other.
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125 maxnumlen = max ([length(v1n) length(v2n)]);
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126 if (length (v1n) < maxnumlen)
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127 v1n(length(v1n)+1:maxnumlen) = 0;
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128 endif
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129 if (length (v2n) < maxnumlen)
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130 v2n(length(v2n)+1:maxnumlen) = 0;
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131 endif
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132
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133 ## Assume that any additional character elements would be 0 if one is
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134 ## longer than the other.
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135 maxcharlen = max ([length(v1c), length(v2c)]);
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136 if (length (v1c) < maxcharlen)
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137 v1c(length(v1c)+1:maxcharlen) = "\0";
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138 endif
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139 if (length (v2c) < maxcharlen)
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140 v2c(length(v2c)+1:maxcharlen) = "\0";
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141 endif
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142
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143 ## Determine the operator.
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144 if any (ismember (operator, "="))
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145 equal_op = true;
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146 else
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147 equal_op = false;
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148 endif
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149 if any (ismember (operator, "~!"))
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150 not_op = true;
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151 else
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152 not_op = false;
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153 endif
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154 if any (ismember (operator, "<"))
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155 lt_op = true;
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156 else
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157 lt_op = false;
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158 endif
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159 if any (ismember (operator, ">"))
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160 gt_op = true;
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161 else
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162 gt_op = false;
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163 endif
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164
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165 ## Make sure that we don't have conflicting operators.
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166 if (gt_op && lt_op)
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167 error ("compare_versions: OPERATOR cannot contain both greater and less than symbols");
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168 elseif ((gt_op || lt_op) && not_op)
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169 error ("compare_versions: OPERATOR cannot contain not and greater than or less than symbols");
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170 elseif (strcmp (operator, "="))
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171 error ("compare_versions: equality OPERATOR is \"==\", not \"=\"");
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172 elseif (! (equal_op || not_op || lt_op || gt_op))
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173 error ("compare_versions: No valid OPERATOR specified");
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174 endif
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175
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176 ## Compare the versions (making sure that they're the same shape)
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177 vcmp = v1n(:) - v2n(:);
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178 vcmp = [vcmp; (v1c - v2c)(:)];
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179 if (lt_op)
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180 ## so that we only need to check for the output being greater than 1
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181 vcmp = -vcmp;
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182 endif
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183 firstdiff = find (vcmp != 0, 1);
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184
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185 if (isempty (firstdiff))
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186 ## They're equal.
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187 out = equal_op;
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188 elseif (lt_op || gt_op)
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189 ## They're correctly less than or greater than.
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190 out = (vcmp(firstdiff) > 0);
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191 else
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192 ## They're not correctly less than or greater than, and they're not equal.
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193 out = false;
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194 endif
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195
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196 ## Reverse the output if not is given.
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197 if (not_op)
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198 out = !out;
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199 endif
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200
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201 endfunction
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202
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203
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204 ## tests
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205 ## test both equality symbols
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206 ## test arbitrarily long equality
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207 %!assert (compare_versions ("1.1.0.0.0", "1.1", "=="), true)
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208 %!assert (compare_versions ("1", "1.1", "<"), true)
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209 %!assert (compare_versions ("1.1", "1.1", "<="), true)
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210 %!assert (compare_versions ("1.1", "1.1.1", "<="), true)
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211 %!assert (compare_versions ("1.23", "1.24", "=<"), true)
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212 ## test different length numbers
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213 %!assert (compare_versions ("23.2000", "23.1", ">"), true)
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214 %!assert (compare_versions ("0.0.2", "0.0.1", ">="), true)
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215 %!assert (compare_versions ("0.2", "0.0.100", "=>"), true)
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216 %!assert (compare_versions ("0.1", "0.2", "!="), true)
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217 %!assert (compare_versions ("0.1", "0.2", "~="), true)
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218
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219 ## test alphanumeric strings
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220 %!assert (compare_versions ("1a", "1b", "<"), true)
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221 %!assert (compare_versions ("a", "1", "<"), true)
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222 %!assert (compare_versions ("1a", "1b", ">"), false)
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223 %!assert (compare_versions ("a", "1", ">"), false)
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224 %!assert (compare_versions ("1.1.0a", "1.1.0b", "=="), false)
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225 %!assert (compare_versions ("1.1.0a", "1.1.0b", "!="), true)
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226 %!assert (compare_versions ("1.1.0test", "1.1.0b", "=="), false)
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227 %!assert (compare_versions ("1.1.0test", "1.1.0test", "=="), true)
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228
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229 ## make sure that it won't just give true output
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230 %!assert (compare_versions ("1", "0", "=="), false)
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231 ## test arbitrarily long equality
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232 %!assert (compare_versions ("1.1.1.0.0", "1.1", "=="), false)
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233 %!assert (compare_versions ("1.1", "1", "<"), false)
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234 %!assert (compare_versions ("2", "1.1", "<="), false)
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235 %!assert (compare_versions ("1.1.1", "1.1", "<="), false)
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236 %!assert (compare_versions ("1.25", "1.24", "=<"), false)
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237 ## test different length numbers
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238 %!assert (compare_versions ("23.2", "23.100", ">"), false)
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239 %!assert (compare_versions ("0.0.0.2", "0.0.1", ">="), false)
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240 %!assert (compare_versions ("0.0.20", "0.10.2", "=>"), false)
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241 %!assert (compare_versions ("0.1", "0.1", "!="), false)
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242 %!assert (compare_versions ("0.1", "0.1", "~="), false)
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243
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244 %% Test input validation
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245 %!error (compare_versions (0.1, "0.1", "=="))
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246 %!error (compare_versions ("0.1", 0.1, "=="))
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247 %!error (compare_versions (["0";".";"1"], "0.1", "=="))
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248 %!error (compare_versions ("0.1", ["0";".";"1"], "=="))
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249 %!error (compare_versions ("0.1", "0.1", "<>"))
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250 %!error (compare_versions ("0.1", "0.1", "!>"))
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251 %!error (compare_versions ("0.1", "0.1", "="))
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252 %!error (compare_versions ("0.1", "0.1", "aa"))
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253