octave: scripts/general/cplxpair.m annotate

annotate scripts/general/cplxpair.m @ 31198:863730dd0f83 stable

nextpow2: Fix for input between 0.5 and 1 (bug #62947). * scripts/general/nextpow2.m: Switch to a naïve implementation using log2 with a single output argument and ceil.

author	Markus Mützel <markus.muetzel@gmx.de>
date	Wed, 24 Aug 2022 17:15:34 +0200
parents	796f54d4ddbf
children	5d3faba0342e

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ########################################################################
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 ##
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30330 diff changeset	3 ## Copyright (C) 2000-2022 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	4 ##
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 ## See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 ## distribution or <https://octave.org/copyright/>.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	7 ##
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	8 ## This file is part of Octave.
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	9 ##
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23973 diff changeset	10 ## Octave is free software: you can redistribute it and/or modify it
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	11 ## under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23973 diff changeset	12 ## the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	13 ## (at your option) any later version.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	14 ##
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	15 ## Octave is distributed in the hope that it will be useful, but
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	18 ## GNU General Public License for more details.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	19 ##
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	20 ## 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: 6046 diff changeset	21 ## along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 23973 diff changeset	22 ## <https://www.gnu.org/licenses/>.
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 ##
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ########################################################################
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	25
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	26 ## -- texinfo --
20852 516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20473 diff changeset	27 ## @deftypefn {} {} cplxpair (@var{z})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20473 diff changeset	28 ## @deftypefnx {} {} cplxpair (@var{z}, @var{tol})
516bb87ea72e 2015 Code Sprint: remove class of function from docstring for all m-files. Rik <rik@octave.org> parents: 20473 diff changeset	29 ## @deftypefnx {} {} cplxpair (@var{z}, @var{tol}, @var{dim})
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	30 ## Sort the numbers @var{z} into complex conjugate pairs ordered by increasing
4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	31 ## real part.
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	32 ##
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	33 ## The negative imaginary complex numbers are placed first within each pair.
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	34 ## All real numbers (those with
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	35 ## @code{abs (imag (@var{z})) / abs (@var{z}) < @var{tol}}) are placed after
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	36 ## the complex pairs.
9141 c1fff751b5a8 Update section 17.1 (Utility Functions) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9051 diff changeset	37 ##
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	38 ## @var{tol} is a weighting factor in the range [0, 1) which determines the
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	39 ## tolerance of the matching. The default value is @code{100 * eps} and the
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	40 ## resulting tolerance for a given complex pair is
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	41 ## @code{@var{tol} * abs (@var{z}(i)))}.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	42 ##
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	43 ## By default the complex pairs are sorted along the first non-singleton
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	44 ## dimension of @var{z}. If @var{dim} is specified, then the complex pairs are
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	45 ## sorted along this dimension.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	46 ##
9154 761fc0d3d980 Update section 17.2 (Complex Arithmetic) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 9153 diff changeset	47 ## Signal an error if some complex numbers could not be paired. Signal an
20158 7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	48 ## error if all complex numbers are not exact conjugates (to within @var{tol}).
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	49 ## Note that there is no defined order for pairs with identical real parts but
7503499a252b doc: Update docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19833 diff changeset	50 ## differing imaginary parts.
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10635 diff changeset	51 ## @c Set example in small font to prevent overfull line
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	52 ##
7031 120f3135952f [project @ 2007-10-15 15:30:03 by jwe] jwe parents: 7017 diff changeset	53 ## @smallexample
21436 b0920076dd98 doc: Add missing ')' in some docstrings. Rik <rik@octave.org> parents: 21385 diff changeset	54 ## cplxpair (exp (2ipi[0:4]'/5)) == exp (2ipi[3; 2; 4; 1; 0]/5)
7031 120f3135952f [project @ 2007-10-15 15:30:03 by jwe] jwe parents: 7017 diff changeset	55 ## @end smallexample
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	56 ## @end deftypefn
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	57
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	58 ## 2006-05-12 David Bateman - Modified for NDArrays
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	59
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	60 function y = cplxpair (z, tol, dim)
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	61
28789 28de41192f3c Eliminate unneeded verification of nargin, nargout in m-files. Rik <rik@octave.org> parents: 27923 diff changeset	62 if (nargin < 1)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5831 diff changeset	63 print_usage ();
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	64 endif
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	65
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	66 if (isempty (z))
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	67 y = zeros (size (z));
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	68 return;
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	69 endif
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	70
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	71 cls = ifelse (isa (z, "single"), "single", "double");
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	72 if (nargin < 2 \|\| isempty (tol))
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	73 tol = 100*eps (cls);
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	74 elseif (! isscalar (tol) \|\| tol < 0 \|\| tol >= 1)
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	75 error ("cplxpair: TOL must be a scalar number in the range 0 <= TOL < 1");
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	76 endif
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	77
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	78 nd = ndims (z);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	79 if (nargin < 3)
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	80 ## Find the first singleton dimension.
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	81 sz = size (z);
4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	82 (dim = find (sz > 1, 1)) \|\| (dim = 1);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	83 else
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14552 diff changeset	84 dim = floor (dim);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	85 if (dim < 1 \|\| dim > nd)
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	86 error ("cplxpair: invalid dimension DIM");
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	87 endif
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	88 endif
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	89
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	90 ## Move dimension to analyze to first position, and convert to a 2-D matrix.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	91 perm = [dim:nd, 1:dim-1];
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	92 z = permute (z, perm);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	93 sz = size (z);
19833 9fc020886ae9 maint: Clean up m-files to follow Octave coding conventions. Rik <rik@octave.org> parents: 19697 diff changeset	94 n = sz(1);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	95 m = prod (sz) / n;
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	96 z = reshape (z, n, m);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	97
8507 cadc73247d65 style fixes John W. Eaton <jwe@octave.org> parents: 8202 diff changeset	98 ## Sort the sequence in terms of increasing real values.
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	99 [~, idx] = sort (real (z), 1);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	100 z = z(idx + n * ones (n, 1) * [0:m-1]);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	101
8507 cadc73247d65 style fixes John W. Eaton <jwe@octave.org> parents: 8202 diff changeset	102 ## Put the purely real values at the end of the returned list.
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	103 [idxi, idxj] = find (abs (imag (z)) ./ (abs (z) + realmin (cls)) <= tol);
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	104 ## Force values detected to be real within tolerance to actually be real.
b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	105 z(idxi + n(idxj-1)) = real (z(idxi + n(idxj-1)));
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	106 q = sparse (idxi, idxj, 1, n, m);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	107 nr = sum (q, 1);
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	108 [~, idx] = sort (q, 1);
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	109 midx = idx + rows (idx) * ones (rows (idx), 1) * [0:columns(idx)-1];
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	110 z = z(midx);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	111 y = z;
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	112
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	113 ## For each remaining z, place the value and its conjugate at the start of
4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	114 ## the returned list, and remove them from further consideration.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	115 for j = 1:m
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	116 p = n - nr(j);
8507 cadc73247d65 style fixes John W. Eaton <jwe@octave.org> parents: 8202 diff changeset	117 for i = 1:2:p
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	118 if (i+1 > p)
10635 d1978e7364ad Print name of function in error() string messages. Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	119 error ("cplxpair: could not pair all complex numbers");
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	120 endif
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	121 [v, idx] = min (abs (z(i+1:p,j) - conj (z(i,j))));
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	122 if (v >= tol * abs (z(i,j)))
10635 d1978e7364ad Print name of function in error() string messages. Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	123 error ("cplxpair: could not pair all complex numbers");
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	124 endif
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	125 ## For pairs, select the one with positive imaginary part and use it and
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	126 ## it's conjugate, but list the negative imaginary pair first.
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	127 if (imag (z(i,j)) > 0)
b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	128 y([i, i+1],j) = [conj(z(i,j)), z(i,j)];
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	129 else
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	130 y([i, i+1],j) = [conj(z(idx+i,j)), z(idx+i,j)];
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	131 endif
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	132 z(idx+i,j) = z(i+1,j);
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	133 endfor
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	134 endfor
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	135
8507 cadc73247d65 style fixes John W. Eaton <jwe@octave.org> parents: 8202 diff changeset	136 ## Reshape the output matrix.
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	137 y = ipermute (reshape (y, sz), perm);
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	138
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	139 endfunction
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	140
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	141
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	142 %!demo
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	143 %! [ cplxpair(exp(2ipi[0:4]'/5)), exp(2ipi[3; 2; 4; 1; 0]/5) ]
27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	144
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	145 %!assert (isempty (cplxpair ([])))
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	146 %!assert (cplxpair (1), 1)
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	147 %!assert (cplxpair ([1+1i, 1-1i]), [1-1i, 1+1i])
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	148 %!assert (cplxpair ([1+1i, 1+1i, 1, 1-1i, 1-1i, 2]), ...
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	149 %! [1-1i, 1+1i, 1-1i, 1+1i, 1, 2])
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	150 %!assert (cplxpair ([1+1i; 1+1i; 1; 1-1i; 1-1i; 2]), ...
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	151 %! [1-1i; 1+1i; 1-1i; 1+1i; 1; 2])
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	152 %!assert (cplxpair ([0, 1, 2]), [0, 1, 2])
5820 27c966e4b2dc [project @ 2006-05-17 21:00:54 by jwe] jwe parents: diff changeset	153
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	154 %!shared z,y
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	155 %! z = exp (2ipi[4; 3; 5; 2; 6; 1; 0]/7);
28912 0de38a6ef693 maint: Use Octave convention of space after function name in scripts dir. Rik <rik@octave.org> parents: 28886 diff changeset	156 %! z(2) = conj (z(1));
0de38a6ef693 maint: Use Octave convention of space after function name in scripts dir. Rik <rik@octave.org> parents: 28886 diff changeset	157 %! z(4) = conj (z(3));
0de38a6ef693 maint: Use Octave convention of space after function name in scripts dir. Rik <rik@octave.org> parents: 28886 diff changeset	158 %! z(6) = conj (z(5));
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	159 %!assert (cplxpair (z(randperm (7))), z)
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	160 %!assert (cplxpair (z(randperm (7))), z)
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	161 %!assert (cplxpair (z(randperm (7))), z)
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	162 %!assert (cplxpair ([z(randperm (7)), z(randperm (7))]), [z,z])
4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	163 %!assert (cplxpair ([z(randperm (7)), z(randperm (7))],[],1), [z,z])
4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	164 %!assert (cplxpair ([z(randperm (7)).'; z(randperm (7)).'],[],2), [z.';z.'])
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	165 %! y = [ -1-1i; -1+1i;-3; -2; 1; 2; 3];
b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	166 %!assert (cplxpair ([z(randperm (7)), y(randperm (7))]), [z,y])
30330 01de0045b2e3 maint: Shorten some long lines to <= 80 characters (bug #57599) Rik <rik@octave.org> parents: 29359 diff changeset	167 %!assert (cplxpair ([z(randperm (7)), y(randperm (7)),z(randperm (7))]),
01de0045b2e3 maint: Shorten some long lines to <= 80 characters (bug #57599) Rik <rik@octave.org> parents: 29359 diff changeset	168 %! [z,y,z])
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	169
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	170 ## Test tolerance
30330 01de0045b2e3 maint: Shorten some long lines to <= 80 characters (bug #57599) Rik <rik@octave.org> parents: 29359 diff changeset	171 %!assert (cplxpair ([2000 * (1+eps) + 4j; 2000 * (1-eps) - 4j]),
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	172 %! [(2000 - 4j); (2000 + 4j)], 100*eps(200))
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	173 %!error <could not pair>
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	174 %! cplxpair ([2000 * (1+eps) + 4j; 2000 * (1-eps) - 4j], 0);
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	175 %!error <could not pair>
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	176 %! cplxpair ([2e6 + j; 2e6 - j; 1e-9 * (1 + j); 1e-9 * (1 - 2j)]);
17338 1c89599167a6 maint: End m-files with 1 blank line. Rik <rik@octave.org> parents: 17336 diff changeset	177
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	178 ## Test input validation
28886 d8318c12d903 test: remove unnecessary BIST tests in m-files checking for excessive number of inputs. Rik <rik@octave.org> parents: 28789 diff changeset	179 %!error <Invalid call> cplxpair ()
23972 b4cf41d173dd * cplxpair.m: Improve accuracy and compatibility (bug #50124) Bill Lash parents: 23220 diff changeset	180 %!error <cplxpair: TOL must be .* scalar number> cplxpair (1, ones (2,2))
23973 a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	181 %!error <cplxpair: TOL must be .* in the range 0 <= TOL < 1> cplxpair (1, -1)
a315ac23dc6c cplxpair.m: Use more Octave coding standards. Rik <rik@octave.org> parents: 23972 diff changeset	182 %!error <cplxpair: TOL must be .* in the range 0 <= TOL < 1> cplxpair (1, -1)
20473 4c2e76cbdc7d cplxpair.m: Use tolerance that depends on Z to evaluate pairing (bug #45810). Rik <rik@octave.org> parents: 20158 diff changeset	183 %!error <invalid dimension DIM> cplxpair (1, [], 3)

Mercurial > octave

annotate scripts/general/cplxpair.m @ 31198:863730dd0f83 stable