octave-nkf: scripts/elfun/acosd.m annotate

annotate scripts/elfun/acosd.m @ 20818:9d2023d1a63c

binoinv.m: Implement binary search algorithm for 28X performance increase (bug #34363). * binoinv.m: Call new functions scalar_binoinv or vector_binoinv to calculate binoinv. If there are still uncalculated values then call bin_search_binoinv to perform binary search for remaining values. Add more BIST tests. * binoinv.m (scalar_binoinv): New subfunction to calculate binoinv for scalar x. Stops when x > 1000. * binoinv.m (vector_binoinv): New subfunction to calculate binoinv for scalar x. Stops when x > 1000.

author	Lachlan Andrew <lachlanbis@gmail.com>
date	Sun, 11 Oct 2015 19:49:40 -0700
parents	4197fc428c7d
children

rev	line source
19898 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 17744 diff changeset	1 ## Copyright (C) 2006-2015 David Bateman
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	2 ##
6440 98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	3 ## This file is part of Octave.
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	4 ##
6440 98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 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: 6440 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: 6440 diff changeset	8 ## your option) any later version.
6440 98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	9 ##
98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
98ee80702bca [project @ 2007-03-23 15:13:19 by jwe] jwe parents: 6239 diff changeset	13 ## General Public License for more details.
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	14 ##
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe 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: 6440 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: 6440 diff changeset	17 ## <http://www.gnu.org/licenses/>.
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	18
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	20 ## @deftypefn {Function File} {} acosd (@var{x})
9155 ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 7017 diff changeset	21 ## Compute the inverse cosine in degrees for each element of @var{x}.
ad20b967e1c9 Update section 17.3 (Trigonometry) of arith.txi Rik <rdrider0-list@yahoo.com> parents: 7017 diff changeset	22 ## @seealso{cosd, acos}
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	23 ## @end deftypefn
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	24
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	25 ## Author: David Bateman <dbateman@free.fr>
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	26
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	27 function y = acosd (x)
14220 5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	28
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	29 if (nargin != 1)
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	30 print_usage ();
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	31 endif
14220 5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	32
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	33 y = acos (x) .* 180 ./ pi;
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	34
6239 82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	35 endfunction
82185e38eea8 [project @ 2007-01-10 22:53:58 by jwe] jwe parents: diff changeset	36
14220 5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	37
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14220 diff changeset	38 %!assert (acosd (0:0.1:1), 180/pi * acos (0:0.1:1), -10*eps)
14220 5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	39
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	40 %!error acosd ()
5a13a75c2457 Use Octave spacing conventions for scripts in elfun/ directory. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	41 %!error acosd (1, 2)
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14220 diff changeset	42

Mercurial > hg > octave-nkf

annotate scripts/elfun/acosd.m @ 20818:9d2023d1a63c