X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fcontrol-2.3.52%2Foptions.m;fp=octave_packages%2Fcontrol-2.3.52%2Foptions.m;h=702155907e40e566f3b040cc1762836a0395658e;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/control-2.3.52/options.m b/octave_packages/control-2.3.52/options.m
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+## Copyright (C) 2011   Lukas F. Reichlin
+##
+## This file is part of LTI Syncope.
+##
+## LTI Syncope 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.
+##
+## LTI Syncope 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 LTI Syncope.  If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn{Function File} {@var{opt} =} options (@var{"key1"}, @var{value1}, @var{"key2"}, @var{value2}, @dots{})
+## Create options struct @var{opt} from a number of key and value pairs.
+## For use with order reduction commands.
+##
+## @strong{Inputs}
+## @table @var
+## @item key, property
+## The name of the property.
+## @item value
+## The value of the property.
+## @end table
+##
+## @strong{Outputs}
+## @table @var
+## @item opt
+## Struct with fields for each key.
+## @end table
+##
+## @strong{Example}
+## @example
+## @group
+## octave:1> opt = options ("method", "spa", "tol", 1e-6)
+## opt =
+## 
+##   scalar structure containing the fields:
+## 
+##     method = spa
+##     tol =  1.0000e-06
+## 
+## @end group
+## @end example
+## @example
+## @group
+## octave:2> save filename opt
+## octave:3> # save the struct 'opt' to file 'filename' for later use
+## octave:4> load filename
+## octave:5> # load struct 'opt' from file 'filename'
+## @end group
+## @end example
+##
+## @end deftypefn
+
+## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
+## Created: November 2011
+## Version: 0.1
+
+function opt = options (varargin)
+
+  if (nargin == 0)
+    print_usage ();
+  endif
+
+  if (rem (nargin, 2))
+    error ("options: properties and values must come in pairs");
+  endif
+
+  ## alternative: opt = struct (varargin{:});
+  
+  key = reshape (varargin(1:2:end-1), [], 1);
+  val = reshape (varargin(2:2:end), [], 1);
+
+  opt = cell2struct (val, key, 1);
+  opt = orderfields (opt);
+
+endfunction
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