octave: scripts/general/rat.m annotate

annotate scripts/general/rat.m @ 21581:6fab85c1538f

maint: Follow Octave conventions for use of semicolon in BIST tests. * testfun.txi: Document Octave conventions for use of semicolon in BIST tests. * cellfun.cc, ellipj.cc, file-io.cc, gcd.cc, hash.cc, nproc.cc, utils.cc, fftw.cc, ov-usr-fcn.cc, oct-parse.in.yy, md5sum.m, wavread.m, wavwrite.m, cplxpair.m, rat.m, im2double.m, rref.m, stem3.m, rotate.m, pchip.m, blackman.m, hamming.m, hanning.m, spectral_adf.m, spectral_xdf.m, assert.m, fail.m, etime.m, build-sparse-tests.sh, classes.tst, ctor-vs-method.tst, index.tst, io.tst, struct.tst: Follow Octave conventions for use of semicolon in BIST tests.

author	Rik <rik@octave.org>
date	Fri, 01 Apr 2016 18:16:01 -0700
parents	516bb87ea72e
children	bac0d6f07a3e

rev	line source
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19283 diff changeset	1 ## Copyright (C) 2001-2015 Paul Kienzle
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	2 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	3 ## This file is part of Octave.
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	4 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	8 ## your option) any later version.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	9 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	13 ## General Public License for more details.
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	14 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 7001 diff changeset	17 ## <http://www.gnu.org/licenses/>.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	18
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	19 ## -- texinfo --
20852 516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20231 diff changeset	20 ## @deftypefn {} {@var{s} =} rat (@var{x}, @var{tol})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20231 diff changeset	21 ## @deftypefnx {} {[@var{n}, @var{d}] =} rat (@var{x}, @var{tol})
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	22 ##
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	23 ## Find a rational approximation to @var{x} within the tolerance defined by
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	24 ## @var{tol} using a continued fraction expansion.
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	25 ##
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	26 ## For example:
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	27 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	28 ## @example
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	29 ## @group
14327 4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	30 ## rat (pi) = 3 + 1/(7 + 1/16) = 355/113
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	31 ## rat (e) = 3 + 1/(-4 + 1/(2 + 1/(5 + 1/(-2 + 1/(-7)))))
4d917a6a858b doc: Use Octave coding conventions in @example blocks of docstrings. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	32 ## = 1457/536
9051 1bf0ce0930be Grammar check TexInfo in all .m files Rik <rdrider0-list@yahoo.com> parents: 9039 diff changeset	33 ## @end group
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	34 ## @end example
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	35 ##
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	36 ## When called with two output arguments return the numerator and denominator
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19697 diff changeset	37 ## separately as two matrices.
12185 862a8e490445 doc fix for rational approximation functions John W. Eaton <jwe@octave.org> parents: 11589 diff changeset	38 ## @seealso{rats}
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	39 ## @end deftypefn
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	40
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	41 function [n,d] = rat (x,tol)
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	42
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	43 if (nargin != [1,2] \|\| nargout > 2)
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	44 print_usage ();
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	45 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	46
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	47 y = x(:);
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	48
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	49 ## Replace Inf with 0 while calculating ratios.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	50 y(isinf(y)) = 0;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	51
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	52 ## default norm
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	53 if (nargin < 2)
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	54 tol = 1e-6 * norm (y,1);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	55 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	56
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	57 ## First step in the approximation is the integer portion
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	58
bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	59 ## First element in the continued fraction.
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	60 n = round (y);
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	61 d = ones (size (y));
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	62 frac = y-n;
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	63 lastn = ones (size (y));
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	64 lastd = zeros (size (y));
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	65
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	66 nd = ndims (y);
6967 65a28e9de0a5 [project @ 2007-10-06 12:47:11 by jwe] jwe parents: 6788 diff changeset	67 nsz = numel (y);
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	68 steps = zeros ([nsz, 0]);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	69
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	70 ## Grab new factors until all continued fractions converge.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	71 while (1)
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	72 ## Determine which fractions have not yet converged.
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	73 idx = find (abs (y-n./d) >= tol);
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	74 if (isempty (idx))
7881 f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	75 if (isempty (steps))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	76 steps = NaN (nsz, 1);
7881 f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	77 endif
f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	78 break;
f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	79 endif
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	80
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	81 ## Grab the next step in the continued fraction.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	82 flip = 1./frac(idx);
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	83 ## Next element in the continued fraction.
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	84 step = round (flip);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	85
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	86 if (nargout < 2)
10540 952d4df5b686 Eliminate NaNones and Infones constructs and just use Nan() and Inf() Rik <code@nomad.inbox5.com> parents: 9051 diff changeset	87 tsteps = NaN (nsz, 1);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	88 tsteps (idx) = step;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	89 steps = [steps, tsteps];
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	90 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	91
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	92 frac(idx) = flip-step;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	93
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	94 ## Update the numerator/denominator.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	95 nextn = n;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	96 nextd = d;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	97 n(idx) = n(idx).*step + lastn(idx);
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	98 d(idx) = d(idx).*step + lastd(idx);
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	99 lastn = nextn;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	100 lastd = nextd;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	101 endwhile
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	102
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	103 if (nargout == 2)
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	104 ## Move the minus sign to the top.
20231 83792dd9bcc1 Use in-place operators in m-files where possible. Rik <rik@octave.org> parents: 20158 diff changeset	105 n .*= sign (d);
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	106 d = abs (d);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	107
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	108 ## Return the same shape as you receive.
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	109 n = reshape (n, size (x));
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	110 d = reshape (d, size (x));
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	111
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	112 ## Use 1/0 for Inf.
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	113 n(isinf (x)) = sign (x(isinf (x)));
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14363 diff changeset	114 d(isinf (x)) = 0;
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	115
8506 bc982528de11 comment style fixes John W. Eaton <jwe@octave.org> parents: 7881 diff changeset	116 ## Reshape the output.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	117 n = reshape (n, size (x));
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	118 d = reshape (d, size (x));
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	119 else
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	120 n = "";
14872 c2dbdeaa25df maint: use rows() and columns() to clarify m-files. Rik <octave@nomad.inbox5.com> parents: 14868 diff changeset	121 nsteps = columns (steps);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	122 for i = 1: nsz
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	123 s = [int2str(y(i))," "];
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	124 j = 1;
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	125
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	126 while (true)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	127 step = steps(i, j++);
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	128 if (isnan (step))
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	129 break;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	130 endif
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	131 if (j > nsteps \|\| isnan (steps(i, j)))
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	132 if (step < 0)
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	133 s = [s(1:end-1), " + 1/(", int2str(step), ")"];
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	134 else
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	135 s = [s(1:end-1), " + 1/", int2str(step)];
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	136 endif
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	137 break;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	138 else
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	139 s = [s(1:end-1), " + 1/(", int2str(step), ")"];
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	140 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	141 endwhile
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	142 s = [s, repmat(")", 1, j-2)];
7881 f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	143 n_nc = columns (n);
f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	144 s_nc = columns (s);
f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	145 if (n_nc > s_nc)
11589 b0084095098e missing semicolons in script files John W. Eaton <jwe@octave.org> parents: 11587 diff changeset	146 s(:,s_nc+1:n_nc) = " ";
19283 e1713e281ac5 rat.m: Remove unnecessary blank line at start of output (bug #43374). Markus Bergholz <markuman+octave@gmail.com> parents: 17744 diff changeset	147 elseif (s_nc > n_nc && n_nc != 0)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10540 diff changeset	148 n(:,n_nc+1:s_nc) = " ";
7881 f74669a09deb rat.m: handle arrays and all-integer inputs John W. Eaton <jwe@octave.org> parents: 7031 diff changeset	149 endif
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	150 n = cat (1, n, s);
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	151 endfor
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	152 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	153
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	154 endfunction
12795 9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	155
9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	156
9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	157 %!test
9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	158 %! [n, d] = rat ([0.5, 0.3, 1/3]);
9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	159 %! assert (n, [1, 3, 1]);
9e7ebbaf69ff codesprint: new tests for files in scripts/general directory John W. Eaton <jwe@octave.org> parents: 12185 diff changeset	160 %! assert (d, [2, 10, 3]);
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14327 diff changeset	161
19283 e1713e281ac5 rat.m: Remove unnecessary blank line at start of output (bug #43374). Markus Bergholz <markuman+octave@gmail.com> parents: 17744 diff changeset	162 ## bug #43374
e1713e281ac5 rat.m: Remove unnecessary blank line at start of output (bug #43374). Markus Bergholz <markuman+octave@gmail.com> parents: 17744 diff changeset	163 %!assert (eval (rat (0.75)), [0.75])
e1713e281ac5 rat.m: Remove unnecessary blank line at start of output (bug #43374). Markus Bergholz <markuman+octave@gmail.com> parents: 17744 diff changeset	164
21581 6fab85c1538f maint: Follow Octave conventions for use of semicolon in BIST tests. Rik <rik@octave.org> parents: 20852 diff changeset	165 %!error rat ()
6fab85c1538f maint: Follow Octave conventions for use of semicolon in BIST tests. Rik <rik@octave.org> parents: 20852 diff changeset	166 %!error rat (1, 2, 3)
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14327 diff changeset	167

Mercurial > octave

annotate scripts/general/rat.m @ 21581:6fab85c1538f