--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@ao/power.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,94 @@
+% POWER implements power operator for analysis objects.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: POWER implements power operator for analysis objects.
+%
+% CALL:        a = a1.^scalar
+%              a = a1.^a2
+%
+% <a href="matlab:utils.helper.displayMethodInfo('ao', 'power')">Parameters Description</a>
+%
+% VERSION:     $Id: power.m,v 1.35 2011/04/08 08:56:16 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = power(varargin)
+
+  import utils.const.*
+  
+  callerIsMethod = utils.helper.callerIsMethod;
+  
+  operatorName   = 'power';
+  operatorSymbol = '.^';
+  
+  % Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    varargout{1} = getInfo(varargin{3});
+    return
+  end
+
+  utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
+
+  % Collect input aos, plists and ao variable names
+  in_names = cell(size(varargin));
+  for ii = 1:nargin,in_names{ii} = inputname(ii);end
+
+  % Check for numbers in the other arguments and convert to AOs
+  args = utils.helper.collect_values(varargin);
+  [as, ao_invars] = utils.helper.collect_objects(args, 'ao', in_names);
+  pl              = utils.helper.collect_objects(args, 'plist');
+
+  % Combine with default plist
+  pl = parse(pl, getDefaultPlist);
+
+  % Decide on a deep copy or a modify
+  bs = copy(as, nargout);
+  
+  % Settings
+  if callerIsMethod
+    infoObj = [];
+  else
+    infoObj = getInfo();
+  end
+  
+  if ~isempty(pl.find('exponent'))
+    bs = [reshape(bs, [], 1), ao(pl.find('exponent'))];
+    ao_invars{end+1} = mat2str(pl.find('exponent'));
+  end
+  
+  % Apply method and set output
+  varargout{1} = bs.applyoperator(callerIsMethod, ao_invars, operatorName, operatorSymbol, pl, infoObj);
+end
+
+%--------------------------------------------------------------------------
+% Get Info Object
+%--------------------------------------------------------------------------
+function ii = getInfo(varargin)
+  if nargin == 1 && strcmpi(varargin{1}, 'None')
+    sets = {};
+    pl   = [];
+  else
+    sets = {'Default'};
+    pl   = getDefaultPlist;
+  end
+  % Build info object
+  ii = minfo(mfilename, 'ao', 'ltpda', utils.const.categories.aop, '$Id: power.m,v 1.35 2011/04/08 08:56:16 hewitson Exp $', sets, pl);
+  ii.setArgsmin(2);
+end
+
+%--------------------------------------------------------------------------
+% Get Default Plist
+%--------------------------------------------------------------------------
+function plout = getDefaultPlist()
+  persistent pl;  
+  if ~exist('pl', 'var') || isempty(pl)
+    pl = buildplist();
+  end
+  plout = pl;  
+end
+
+function pl = buildplist()
+  pl = plist({'exponent', 'The exponent.'}, paramValue.EMPTY_DOUBLE);
+end
+
+