Mercurial > octave
view scripts/general/logspace.m @ 28886:d8318c12d903
test: remove unnecessary BIST tests in m-files checking for excessive number of inputs.
Remove BIST tests now that interpreter enforces calling function with no more than
the number of arguments defined in the function prototype.
* makeUniqueStrings.m, makeValidName.m, base64decode.m, base64encode.m,
record.m, sound.m, soundsc.m, acosd.m, acot.m, acotd.m, acoth.m, acsc.m,
acscd.m, acsch.m, asec.m, asecd.m, asech.m, asind.m, atan2d.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, accumdim.m, bincoeff.m, bitget.m, bitset.m, cell2mat.m, circshift.m,
cplxpair.m, cumtrapz.m, deg2rad.m, flip.m, fliplr.m, flipud.m, int2str.m,
interpft.m, logspace.m, num2str.m, postpad.m, prepad.m, rad2deg.m, rot90.m,
rotdim.m, shift.m, subsindex.m, trapz.m, rotx.m, roty.m, rotz.m, getappdata.m,
getpixelposition.m, guidata.m, isappdata.m, waitforbuttonpress.m,
__gripe_missing_component__.m, bessel.m, hsv2rgb.m, ind2gray.m, rgb2gray.m,
rgb2hsv.m, rgbplot.m, fileread.m, javachk.m, usejava.m, findstr.m,
genvarname.m, isdir.m, vectorize.m, cond.m, cross.m, duplication_matrix.m,
expm.m, isbanded.m, isdefinite.m, isdiag.m, ishermitian.m, issymmetric.m,
istril.m, istriu.m, trace.m, vech.m, vecnorm.m, cast.m, citation.m,
compare_versions.m, grabcode.m, inputname.m, isfile.m, isfolder.m, ismac.m,
ispc.m, isunix.m, list_primes.m, methods.m, news.m, open.m, run.m, swapbytes.m,
tar.m, verLessThan.m, zip.m, odeget.m, optimget.m, stemleaf.m, allchild.m,
ancestor.m, close.m, groot.m, hgsave.m, isaxes.m, isfigure.m, isgraphics.m,
ishandle.m, isprop.m, linkaxes.m, rotate.m, saveas.m, conv.m, poly.m,
polyint.m, polyreduce.m, ppval.m, roots.m, addpref.m, getpref.m, ispref.m,
rmpref.m, setpref.m, profile.m, profshow.m, powerset.m, autoreg_matrix.m,
bartlett.m, blackman.m, detrend.m, fftconv.m, fftfilt.m, fftshift.m, hamming.m,
hanning.m, ifftshift.m, sinewave.m, spectral_adf.m, spectral_xdf.m, unwrap.m,
nonzeros.m, spconvert.m, sprand.m, sprandn.m, beta.m, betainc.m, betaln.m,
cosint.m, expint.m, factorial.m, legendre.m, nchoosek.m, nthroot.m, perms.m,
pow2.m, primes.m, reallog.m, realpow.m, realsqrt.m, sinint.m, hankel.m, hilb.m,
invhilb.m, magic.m, pascal.m, toeplitz.m, vander.m, wilkinson.m, center.m,
corr.m, cov.m, discrete_cdf.m, discrete_inv.m, discrete_pdf.m, empirical_cdf.m,
empirical_inv.m, empirical_pdf.m, iqr.m, kendall.m, kurtosis.m, mad.m,
meansq.m, median.m, moment.m, prctile.m, quantile.m, range.m, run_count.m,
skewness.m, spearman.m, statistics.m, std.m, var.m, base2dec.m, bin2dec.m,
blanks.m, dec2base.m, dec2bin.m, dec2hex.m, endsWith.m, erase.m, hex2dec.m,
index.m, isletter.m, isstring.m, isstrprop.m, mat2str.m, ostrsplit.m, rindex.m,
startsWith.m, strtrunc.m, substr.m, fail.m, addtodate.m, asctime.m, ctime.m,
date.m, datestr.m, eomday.m, etime.m, is_leap_year.m, now.m:
remove unnecessary BIST tests in m-files checking for excessive number of inputs.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 09 Oct 2020 13:28:53 -0700 |
parents | 28de41192f3c |
children | 7854d5752dd2 |
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######################################################################## ## ## Copyright (C) 1993-2020 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave is free software: you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} logspace (@var{a}, @var{b}) ## @deftypefnx {} {} logspace (@var{a}, @var{b}, @var{n}) ## @deftypefnx {} {} logspace (@var{a}, pi, @var{n}) ## Return a row vector with @var{n} elements logarithmically spaced from ## @tex ## $10^{a}$ to $10^{b}$. ## @end tex ## @ifnottex ## 10^@var{a} to 10^@var{b}. ## @end ifnottex ## ## If @var{n} is unspecified it defaults to 50. ## ## If @var{b} is equal to ## @tex ## $\pi$, ## @end tex ## @ifnottex ## pi, ## @end ifnottex ## the points are between ## @tex ## $10^{a}$ and $\pi$, ## @end tex ## @ifnottex ## 10^@var{a} and pi, ## @end ifnottex ## @emph{not} ## @tex ## $10^{a}$ and $10^{\pi}$, ## @end tex ## @ifnottex ## 10^@var{a} and 10^pi, ## @end ifnottex ## in order to be compatible with the corresponding @sc{matlab} function. ## ## Also for compatibility with @sc{matlab}, return the right-hand side of ## the range ## @tex ## ($10^{b}$) ## @end tex ## @ifnottex ## (10^@var{b}) ## @end ifnottex ## when just a single value is requested. ## @seealso{linspace} ## @end deftypefn function retval = logspace (a, b, n = 50) if (nargin < 2) print_usage (); endif if (! (isscalar (a) && isscalar (b) && isscalar (n))) error ("logspace: arguments A, B, and N must be scalars"); endif npoints = fix (n); if (b == pi) b = log10 (pi); endif retval = 10 .^ (linspace (a, b, npoints)); endfunction %!test %! x1 = logspace (1, 2); %! x2 = logspace (1, 2, 10.1); %! x3 = logspace (1, -2, 10); %! x4 = logspace (1, pi, 10); %! assert (size (x1) == [1, 50] && abs (x1(1) - 10) < eps && abs (x1(50) - 100) < eps); %! assert (size (x2) == [1, 10] && abs (x2(1) - 10) < eps && abs (x2(10) - 100) < eps); %! assert (size (x3) == [1, 10] && abs (x3(1) - 10) < eps && abs (x3(10) - 0.01) < eps); %! assert (size (x4) == [1, 10] && abs (x4(1) - 10) < eps && abs (x4(10) - pi) < sqrt (eps)); ## Edge cases %!assert (logspace (Inf, Inf, 3), [Inf, Inf, Inf]) %!assert (logspace (-Inf, Inf, 3), [0, 1, Inf]) %!assert (logspace (Inf + 1i, Inf + 1i, 3), repmat (complex (-Inf,Inf), [1, 3])) %!assert (logspace (-Inf + 1i, Inf + 1i, 3), [0, NaN + NaN * 1i, complex(-Inf, Inf)]) %!assert (logspace (0, Inf, 3), [1, Inf, Inf]) %!assert (logspace (0, -Inf, 3), [1, 0, 0]) %!assert (logspace (Inf, -Inf, 3), [Inf, 1, 0]) ## FIXME: These are bizarre corner cases for Matlab compatibility. See ## bug #56933. This is marked as "Won't Fix", but if linspace is updated at ## some point then these tests can be re-instated. ##%!assert (logspace (-Inf, 0, 3), [0, NaN, 1]) ##%!assert (logspace (Inf, 0, 3), [Inf, NaN, 1]) ## Test input validation %!error <Invalid call> logspace () %!error logspace ([1, 2; 3, 4], 5, 6) %!error logspace (1, [1, 2; 3, 4], 6) %!error logspace (1, 2, [1, 2; 3, 4])