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comparison scripts/signal/unwrap.m @ 14363:f3d52523cde1

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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 5d3a684236b0
comparison
equal deleted inserted replaced
14361:8de863b7126b 14363:f3d52523cde1
87 ## same shape as originally. 87 ## same shape as originally.
88 retval = x + r; 88 retval = x + r;
89 89
90 endfunction 90 endfunction
91 91
92
92 %!function t = __xassert(a,b,tol) 93 %!function t = __xassert(a,b,tol)
93 %! if (nargin == 1) 94 %! if (nargin == 1)
94 %! t = all(a(:)); 95 %! t = all (a(:));
95 %! else 96 %! else
96 %! if (nargin == 2) 97 %! if (nargin == 2)
97 %! tol = 0; 98 %! tol = 0;
98 %! endif 99 %! endif
99 %! if (any (size(a) != size(b))) 100 %! if (any (size (a) != size (b)))
100 %! t = 0; 101 %! t = 0;
101 %! elseif (any (abs(a(:) - b(:)) > tol)) 102 %! elseif (any (abs (a(:) - b(:)) > tol))
102 %! t = 0; 103 %! t = 0;
103 %! else 104 %! else
104 %! t = 1; 105 %! t = 1;
105 %! endif 106 %! endif
106 %! endif 107 %! endif
110 %! 111 %!
111 %! i = 0; 112 %! i = 0;
112 %! t = []; 113 %! t = [];
113 %! 114 %!
114 %! r = [0:100]; # original vector 115 %! r = [0:100]; # original vector
115 %! w = r - 2*pi*floor((r+pi)/(2*pi)); # wrapped into [-pi,pi] 116 %! w = r - 2*pi*floor ((r+pi)/(2*pi)); # wrapped into [-pi,pi]
116 %! tol = 1e3*eps; # maximum expected deviation 117 %! tol = 1e3*eps; # maximum expected deviation
117 %! 118 %!
118 %! t(++i) = __xassert(r, unwrap(w), tol); #unwrap single row 119 %! t(++i) = __xassert (r, unwrap (w), tol); #unwrap single row
119 %! t(++i) = __xassert(r', unwrap(w'), tol); #unwrap single column 120 %! t(++i) = __xassert (r', unwrap (w'), tol); #unwrap single column
120 %! t(++i) = __xassert([r',r'], unwrap([w',w']), tol); #unwrap 2 columns 121 %! t(++i) = __xassert ([r',r'], unwrap ([w',w']), tol); #unwrap 2 columns
121 %! t(++i) = __xassert([r;r], unwrap([w;w],[],2), tol); #check that dim works 122 %! t(++i) = __xassert ([r;r], unwrap ([w;w],[],2), tol); #check that dim works
122 %! t(++i) = __xassert(r+10, unwrap(10+w), tol); #check r(1)>pi works 123 %! t(++i) = __xassert (r+10, unwrap (10+w), tol); #check r(1)>pi works
123 %! 124 %!
124 %! t(++i) = __xassert(w', unwrap(w',[],2)); #unwrap col by rows should not change it 125 %! t(++i) = __xassert (w', unwrap (w',[],2)); #unwrap col by rows should not change it
125 %! t(++i) = __xassert(w, unwrap(w,[],1)); #unwrap row by cols should not change it 126 %! t(++i) = __xassert (w, unwrap (w,[],1)); #unwrap row by cols should not change it
126 %! t(++i) = __xassert([w;w], unwrap([w;w])); #unwrap 2 rows by cols should not change them 127 %! t(++i) = __xassert ([w;w], unwrap ([w;w])); #unwrap 2 rows by cols should not change them
127 %! 128 %!
128 %! ## verify that setting tolerance too low will cause bad results. 129 %! ## verify that setting tolerance too low will cause bad results.
129 %! t(++i) = __xassert(any(abs(r - unwrap(w,0.8)) > 100)); 130 %! t(++i) = __xassert (any (abs (r - unwrap (w,0.8)) > 100));
130 %! 131 %!
131 %! assert(all(t)); 132 %! assert (all (t));
132 %! 133 %!
133 %!test 134 %!test
134 %! A = [pi*(-4), pi*(-2+1/6), pi/4, pi*(2+1/3), pi*(4+1/2), pi*(8+2/3), pi*(16+1), pi*(32+3/2), pi*64]; 135 %! A = [pi*(-4), pi*(-2+1/6), pi/4, pi*(2+1/3), pi*(4+1/2), pi*(8+2/3), pi*(16+1), pi*(32+3/2), pi*64];
135 %! assert (unwrap(A), unwrap(A, pi)); 136 %! assert (unwrap (A), unwrap (A, pi));
136 %! assert (unwrap(A, pi), unwrap(A, pi, 2)); 137 %! assert (unwrap (A, pi), unwrap (A, pi, 2));
137 %! assert (unwrap(A', pi), unwrap(A', pi, 1)); 138 %! assert (unwrap (A', pi), unwrap (A', pi, 1));
138 %! 139 %!
139 %!test 140 %!test
140 %! A = [pi*(-4); pi*(2+1/3); pi*(16+1)]; 141 %! A = [pi*(-4); pi*(2+1/3); pi*(16+1)];
141 %! B = [pi*(-2+1/6); pi*(4+1/2); pi*(32+3/2)]; 142 %! B = [pi*(-2+1/6); pi*(4+1/2); pi*(32+3/2)];
142 %! C = [pi/4; pi*(8+2/3); pi*64]; 143 %! C = [pi/4; pi*(8+2/3); pi*64];
143 %! D = [pi*(-2+1/6); pi*(2+1/3); pi*(8+2/3)]; 144 %! D = [pi*(-2+1/6); pi*(2+1/3); pi*(8+2/3)];
144 %! E(:, :, 1) = [A, B, C, D]; 145 %! E(:, :, 1) = [A, B, C, D];
145 %! E(:, :, 2) = [A+B, B+C, C+D, D+A]; 146 %! E(:, :, 2) = [A+B, B+C, C+D, D+A];
146 %! F(:, :, 1) = [unwrap(A), unwrap(B), unwrap(C), unwrap(D)]; 147 %! F(:, :, 1) = [unwrap(A), unwrap(B), unwrap(C), unwrap(D)];
147 %! F(:, :, 2) = [unwrap(A+B), unwrap(B+C), unwrap(C+D), unwrap(D+A)]; 148 %! F(:, :, 2) = [unwrap(A+B), unwrap(B+C), unwrap(C+D), unwrap(D+A)];
148 %! assert (unwrap(E), F); 149 %! assert (unwrap (E), F);
149 %! 150 %!
150 %!test 151 %!test
151 %! A = [0, 2*pi, 4*pi, 8*pi, 16*pi, 65536*pi]; 152 %! A = [0, 2*pi, 4*pi, 8*pi, 16*pi, 65536*pi];
152 %! B = [pi*(-2+1/6), pi/4, pi*(2+1/3), pi*(4+1/2), pi*(8+2/3), pi*(16+1), pi*(32+3/2), pi*64]; 153 %! B = [pi*(-2+1/6), pi/4, pi*(2+1/3), pi*(4+1/2), pi*(8+2/3), pi*(16+1), pi*(32+3/2), pi*64];
153 %! assert (unwrap(A), zeros(1, length(A))); 154 %! assert (unwrap (A), zeros (1, length (A)));
154 %! assert (diff(unwrap(B), 1)<2*pi, true(1, length(B)-1)); 155 %! assert (diff (unwrap (B), 1) < 2*pi, true (1, length (B)-1));
155 %! 156
156 %!error unwrap() 157 %!error unwrap()
158