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comparison m-toolbox/classes/@ao/log.m @ 0:f0afece42f48

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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-1:000000000000 0:f0afece42f48
1 % LOG overloads the log operator for analysis objects. Natural logarithm.
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 %
4 % DESCRIPTION: LOG overloads the log operator for analysis objects.
5 % Natural logarithm.
6 % LOG(ao) is the natural logarithm of the elements of ao.data.
7 %
8 % CALL: ao_out = log(ao_in);
9 % ao_out = log(ao_in, pl);
10 % ao_out = log(ao1, pl1, ao_vector, ao_matrix, pl2);
11 %
12 % PARAMETERS: see help for data2D/applymethod for additional parameters
13 %
14 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'log')">Parameters Description</a>
15 %
16 % VERSION: $Id: log.m,v 1.42 2011/04/19 18:48:11 ingo Exp $
17 %
18 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
19
20 function varargout = log(varargin)
21
22 % Check if the method was called by another method
23 callerIsMethod = utils.helper.callerIsMethod;
24
25 % Settings
26 operatorName = 'log';
27 dxFcn = @(x,dx)abs(1./x).*dx;
28
29 if callerIsMethod
30 in_names = {};
31 else
32 % Collect input variable names
33 in_names = cell(size(varargin));
34 for ii = 1:nargin,in_names{ii} = inputname(ii);end
35 end
36
37 copyObjects = nargout>0;
38 [bs, pl] = ao.applymethod(copyObjects, callerIsMethod, in_names, operatorName, dxFcn, @getInfo, @getDefaultPlist, varargin{:});
39
40 if isa(bs, 'ao')
41 % Set units
42 setUnitsForAxis(bs, pl, '');
43 end
44
45 % set outputs
46 varargout = utils.helper.setoutputs(nargout, bs);
47
48 end
49
50 %--------------------------------------------------------------------------
51 % Get Info Object
52 %--------------------------------------------------------------------------
53 function ii = getInfo(varargin)
54 ii = minfo.getInfoAxis(mfilename, @getDefaultPlist, varargin);
55 end
56
57 %--------------------------------------------------------------------------
58 % Get Default Plist
59 %--------------------------------------------------------------------------
60
61 function plout = getDefaultPlist(set)
62 persistent pl;
63 persistent lastset;
64 if ~exist('pl', 'var') || isempty(pl) || ~strcmp(lastset, set)
65 pl = buildplist(set);
66 lastset = set;
67 end
68 plout = pl;
69 end
70
71 function plout = buildplist(varargin)
72 plout = plist.getDefaultAxisPlist(varargin{:});
73 end
74