% UTP_AO_DETREND a set of UTPs for the ao/detrend method
%
% M Hewitson 06-08-08
%
% $Id: utp_ao_detrend.m,v 1.13 2010/09/20 21:14:06 mauro Exp $
%

% <MethodDescription>
%
% The detrend method of the ao class detrends time-series AOs.
%
% </MethodDescription>

function results = utp_ao_detrend(varargin)

  % Check the inputs
  if nargin == 0

    % Some keywords
    class   = 'ao';
    mthd    = 'detrend';

    results = [];
    disp('******************************************************');
    disp(['****  Running UTPs for ' class '/' mthd]);
    disp('******************************************************');

    % Test AOs
    [at1,at2,at3,at4,at5,at6,atvec,atmat] = eval(['get_test_objects_' class]);

    % Exception list for the UTPs:
    [ple1,ple2,ple3,ple4,ple5,ple6] = get_test_ples();

    % Run the tests
    atvec = [at1 at5 at6];
    atmat = [at1 at5 at6; at5 at6 at1];
    pli = plist('order', 10, 'neval', true);
    
    results = [results utp_01];    % getInfo call
    results = [results utp_02(mthd, atvec, @algo_test_y, pli, ple3)];    % Vector input
    results = [results utp_03(mthd, atmat, @algo_test_y, pli, ple3)];    % Matrix input
    results = [results utp_04(mthd, at1, at5, at6, @algo_test_y, pli, ple3)];    % List input
    results = [results utp_05(mthd, at1, atvec, atmat, @algo_test_y, pli, ple3)];    % Test with mixed input
    results = [results utp_06(mthd, at1, pli, ple2)];    % Test history is working
    results = [results utp_07(mthd, at1, pli, ple2)];    % Test the modify call works
    results = [results utp_09(mthd, at5, at6)];    % Test input data shape == output data shape
    results = [results utp_10(mthd, at1, at5, ple2)];    % Test output of the data
    results = [results utp_11(mthd, at1, ple1)];    % Test plotinfo doesn't disappear
    results = [results utp_12(mthd, at4, ple1)];    % Test errors are cleared

    disp('Done.');
    disp('******************************************************');

  elseif nargin == 1 % Check for UTP functions
    if strcmp(varargin{1}, 'isutp')
      results = 1;
    else
      results = 0;
    end
  else
    error('### Incorrect inputs')
  end


  %% Algorithm test for UTP 02,03,04,05
  
  function atest = algo_test_y(in, out, pli)    
    atest = true;
    TOL   = 1e-14;
    N = pli.find('order');
    [y, a] = ltpda_polyreg(in.y, N);
    if  any(abs(y-out.y)>TOL) , atest = false; end
  end    
  
  %% UTP_01

  % <TestDescription>
  %
  % Tests that the getInfo call works for this method.
  %
  % </TestDescription>
  function result = utp_01


    % <SyntaxDescription>
    %
    % Test that the getInfo call works for no sets, all sets, and each set
    % individually.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      % Call for no sets
      io(1) = eval([class '.getInfo(''' mthd ''', ''None'')']);
      % Call for all sets
      io(2) = eval([class '.getInfo(''' mthd ''')']);
      % Call for each set
      for kk=1:numel(io(2).sets)
        io(kk+2) = eval([class '.getInfo(''' mthd ''', ''' io(2).sets{kk} ''')']);
      end
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that getInfo call returned an minfo object in all cases.
    % 2) Check that all plists have the correct parameters.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % check we have minfo objects
      if isa(io, 'minfo')
        %%% SET 'None'
        if ~isempty(io(1).sets), atest = false; end
        if ~isempty(io(1).plists), atest = false; end
        %%% Check all Sets
        if ~any(strcmpi(io(2).sets, 'Default')), atest = false; end
        if numel(io(2).plists) ~= numel(io(2).sets), atest = false; end
        %%%%%%%%%%   SET 'Default'
        if io(3).plists.nparams ~= 2, atest = false; end
        % Check key
        if ~io(3).plists.isparam('order'), atest = false; end
        % Check default value
        if ~isequal(io(3).plists.find('order'), 1), atest = false; end
        % Check options
        if ~isequal(io(3).plists.getOptionsForParam('order'), {-1 0 1 2 3 4 5 6 7 8 9}), atest = false; end
        % Check key
        if ~io(3).plists.isparam('M-FILE ONLY'), atest = false; end
        % Check default value
        if ~isequal(io(3).plists.find('M-FILE ONLY'), false), atest = false; end
        % Check options
        if ~isequal(io(3).plists.getOptionsForParam('M-FILE ONLY'), {false true}), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_01

%   %% UTP_02
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method works with a vector of AOs as input.
%   %
%   % </TestDescription>
%   function result = utp_02
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method works for a vector of AOs as input.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       N     = 3;
%       avec  = [at1 at5 at6];
%       out   = detrend(avec, plist('N', N));
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the number of elements in 'out' is the square of the
%     %    number in the input.
%     % 2) Check that each output AO contains the correct data.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     TOL   = 1e-14;
%     if stest
%       % <AlgoCode>
%       % Check we have the correct number of outputs
%       if numel(out) ~= numel(avec), atest = false; end
%       % Check the correctness of the algorithm
%       for kk = 1:numel(avec)
%         [y, a] = ltpda_polyreg(avec(kk).y, N);
%         if  any(abs(y-out(kk).y)>TOL) , atest = false; end
%       end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_02
% 
%   %% UTP_03
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method works with a matrix of AOs as input.
%   %
%   % </TestDescription>
%   function result = utp_03
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method works for a matrix of AOs as input.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       N     = 3;
%       amat  = [at1 at5 at6; at5 at6 at1];
%       out   = detrend(amat, plist('N', N));
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the number of elements in 'out' is the square of the
%     %    number in the input.
%     % 2) Check that each output AO contains the correct data.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     TOL   = 1e-14;
%     if stest
%       % <AlgoCode>
%       % Check we have the correct number of outputs
%       if numel(out) ~= numel(amat), atest = false; end
%       % Check the correctness of the algorithm
%       for kk = 1:numel(amat)
%         [y, a] = ltpda_polyreg(amat(kk).y, N);
%         if  any(abs(y-out(kk).y)>TOL) , atest = false; end
%       end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_03
% 
%   %% UTP_04
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method works with a list of AOs as input.
%   %
%   % </TestDescription>
%   function result = utp_04
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method works for a list of AOs as input.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       N     = 3;
%       out   = detrend(at1,at5,at6, plist('N', N));
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the number of elements in 'out' is the square of the
%     %    number in the input.
%     % 2) Check that each output AO contains the correct data.
%     %
%     % </AlgoDescription>
% 
%     aoin  = [at1, at5, at6];
%     atest = true;
%     TOL   = 1e-14;
%     if stest
%       % <AlgoCode>
%       % Check we have the correct number of outputs
%       if numel(out) ~= 3, atest = false; end
%       % Check the correctness of the algorithm
%       for kk = 1:numel(aoin)
%         [y, a] = ltpda_polyreg(aoin(kk).y, N);
%         if  any(abs(y-out(kk).y)>TOL) , atest = false; end
%       end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_04
% 
%   %% UTP_05
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method works with a mix of different shaped AOs as
%   % input.
%   %
%   % </TestDescription>
%   function result = utp_05
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method works with an input of matrices and vectors
%     % and single AOs.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       N     = 3;
%       out   = detrend(at1,[at5 at6],at5,[at5 at1; at6 at1],at6, plist('N', N));
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the number of elements in 'out' is the same as in
%     %    input.
%     % 2) Check that each output AO contains the correct data.
%     %
%     % </AlgoDescription>
% 
%     aoin = [at1, reshape([at5 at6], 1, []), at5, reshape([at5 at1; at6 at1], 1, []), at6];
%     atest = true;
%     TOL   = 1e-14;
%     if stest
%       % <AlgoCode>
%       % Check we have the correct number of outputs
%       if numel(out) ~= 9, atest = false; end
%       % Check the correctness of the algorithm
%       for kk = 1:numel(aoin)
%         [y, a] = ltpda_polyreg(aoin(kk).y, N);
%         if  any(abs(y-out(kk).y)>TOL) , atest = false; end
%       end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_05
% 
%   %% UTP_06
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method properly applies history.
%   %
%   % </TestDescription>
%   function result = utp_06
% 
%     % <SyntaxDescription>
%     %
%     % Test that the result of applying the detrend method can be processed back
%     % to an m-file.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       out = detrend(at5,plist('N', 3));
%       mout = rebuild(out);
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the last entry in the history of 'out' corresponds to
%     %    'detrend'.
%     % 2) Check that the re-built object is the same object as 'out'.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     if stest
%       % <AlgoCode>
%       % Check the last step in the history of 'out'
%       if ~strcmp(out.hist.methodInfo.mname, 'detrend'), atest = false; end
%       % Check the re-built object
%       if ~eq(mout, out, ple2), atest = false; end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_06
% 
%   %% UTP_07
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method can modify the input AO.
%   %
%   % </TestDescription>
%   function result = utp_07
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method can modify the input AO by calling with no
%     % output and that the method doesn't change the input of the function
%     % notation (with a equal sign).
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       % copy at1 to work with
%       ain = ao(at1);
%       % modify ain
%       N    = 10;
%       pl   = plist('N', N);
%       aout = ain.detrend(pl);
%       ain.detrend(pl);
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that 'at1' and 'ain' are now different.
%     % 2) Check that 'ain' is detrend(at1).
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     TOL   = 1e-14;
%     if stest
%       % <AlgoCode>
%       % Check that detrend modified the input by comparing to the copy
%       if eq(ao(at1), ain, ple1), atest = false; end
%       % Check that detrend doesn't modified the input for the function notation
%       if ~eq(aout, ain, ple1), atest = false; end
%       % Check that the modified input is the detrend value of the copy
%       [y, a] = ltpda_polyreg(at1.y, N);
%       if  any(abs(y-ain.y)>TOL) , atest = false; end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_07
% 
%   %% UTP_08
% 
%   % <TestDescription>
%   %
%   % Control the method with a plist.
%   %
%   % </TestDescription>
%   function result = utp_08
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method can use the MATLAB methods polyfit and polyval
%     % to compute the trend.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       N   = 3;
%       pl  = plist('N', N, 'M-FILE ONLY', 'YES');
%       out = detrend(at1, pl);
%       mout = rebuild(out);
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the detrend method uses the MATLAB methods
%     % 2) Check that the re-built object is the same object as 'out'.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     if stest
%       % <AlgoCode>
%       x     = at1.y;
%       order = N;
%       t     = [1:length(x)].';
%       % fit polynomial
%       p = polyfit(t, x, order);
%       % make polynomial series
%       py = polyval(p, t);
%       % detrend
%       y = x - py;
%       % Check each output against the trend of the input
%       if ~isequal(y, out.y), atest = false; end
%       % Check the re-built object
%       if ~eq(mout, out, ple1), atest = false; end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_08
% 
%   %% UTP_09
% 
%   % <TestDescription>
%   %
%   % Tests that the detrend method keeps the data shape of the input object.
%   %
%   % </TestDescription>
%   function result = utp_09
% 
%     % <SyntaxDescription>
%     %
%     % Test that the detrend method keeps the data shape of the input object. The
%     % input AO must be an AO with row data and an AO with column data.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       pl   = plist('N', 3);
%       out1 = detrend(at5, pl);
%       out2 = detrend(at6, pl);
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the shpe of the data doesn't change.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     if stest
%       % <AlgoCode>
%       % Check the shape of the output data
%       if size(out1.data.x) ~= size(at5.data.x), atest = false; end
%       if size(out1.data.y) ~= size(at5.data.y), atest = false; end
%       if size(out2.data.x) ~= size(at6.data.x), atest = false; end
%       if size(out2.data.y) ~= size(at6.data.y), atest = false; end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_09
% 
%   %% UTP_10
% 
%   % <TestDescription>
%   %
%   % Check that the detrend method pass back the output objects to a list of
%   % output variables or to a single variable.
%   %
%   % </TestDescription>
%   function result = utp_10
% 
%     % <SyntaxDescription>
%     %
%     % Call the method with a list of output variables and with a single output
%     % variable. Additionaly check that the rebuild method works on the output.
%     %
%     % </SyntaxDescription>
% 
%     try
%       % <SyntaxCode>
%       pl   = plist('N', 3);
%       [o1, o2] = detrend(at5, at6, pl);
%       o3  = detrend(at5, at6, pl);
%       mout1 = rebuild(o1);
%       mout2 = rebuild(o2);
%       mout3 = rebuild(o3);
%       % </SyntaxCode>
%       stest = true;
%     catch err
%       disp(err.message)
%       stest = false;
%     end
% 
%     % <AlgoDescription>
%     %
%     % 1) Check that the output contains the right number of objects
%     % 2) Check that the 'rebuild' method produces the same object as 'out'.
%     %
%     % </AlgoDescription>
% 
%     atest = true;
%     if stest
%       % <AlgoCode>
%       % Check the number of outputs
%       if numel(o1) ~=1, atest = false; end
%       if numel(o2) ~=1, atest = false; end
%       if numel(o3) ~=2, atest = false; end
%       % Check the rebuilding of the object
%       if ~eq(o1, mout1, ple2), atest = false; end
%       if ~eq(o2, mout2, ple2), atest = false; end
%       if ~eq(o3, mout3, ple2), atest = false; end
%       % </AlgoCode>
%     else
%       atest = false;
%     end
% 
%     % Return a result structure
%     result = utp_prepare_result(atest, stest, dbstack, mfilename);
%   end % END UTP_10

end