65 lines
2.1 KiB
Matlab

function opts = makeOptions(int, varargin)
% Create a JEInterface options set from scratch. Possible fields are:
%'Display';
%'MaxFunEvals';'MaxIter';'TolFun';'TolFunEvals';TolX';'TolXEvals', where
% all but 'TolFunEvals', 'TolXEvals' are used similar to the optimset.
% The latter two are interpreted as the numbers of evaluations required
% to assume convergence. Default values are TolXEvals=TolFunEvals=200,
% TolX=TolFun=1e-4, MaxFunEvals uses a default from EvA2.
% Notice that this method creates a parameter set but does not assign it
% to the interface instance. Use setOptions to do that.
allfields = {'Display'; 'MaxFunEvals';'MaxIter';'TolFun';'TolFunEvals';...
'TolX';'TolXEvals'};
specialfields={'TolFunEvals', 'TolXEvals'};
nvararg=nargin-1;
if rem(nvararg,2)==1
error('Pass options in name-value pairs!');
end
% create cell array
structinput = cell(2,length(allfields));
% fields go in first row
structinput(1,:) = allfields';
% []'s go in second row
structinput(2,:) = {[]};
% turn it into correctly ordered comma separated list and call struct
opts = struct(structinput{:});
stdSet=optimset();
% standard options:
opts.('MaxFunEvals') = eva2.OptimizerFactory.getDefaultFitCalls;
opts.('TolX') = 1e-4;
opts.('TolXEvals') = 200;
opts.('TolFun') = 1e-4;
opts.('TolFunEvals') = 200;
for i=1:nvararg/2
name=varargin{2*i-1};
value=varargin{(2*i)};
% parse arguments
if ~ischar(name)
error('Expected char parameter name at index %d!', 2*i+1);
else
optIndex=strmatch(name,allfields, 'exact');
if isempty(optIndex)
error('Unknown option %s !', name);
else
if ~isempty(strmatch(name, specialfields,'exact'))
% test for integer
if (~isscalar(value) || ~isnumeric(value) || round(value)<1)
error('invalid value type for %s, expecting numeric scalar > 1!', name);
end
value=round(value);
else
% test using optimset
optimset(stdSet, name, value);
end
% assign to struct
opts.(allfields{optIndex,:}) = value;
end
end
end