--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/utp_1.1/utps/ao/utp_ao_diff.m	Tue Dec 06 18:42:11 2011 +0100
@@ -0,0 +1,362 @@
+% UTP_AO_DIFF a set of UTPs for the ao/diff method
+%
+% M Hewitson 06-08-08
+%
+% $Id: utp_ao_diff.m,v 1.14 2009/09/20 16:51:33 hewitson Exp $
+%
+
+% <MethodDescription>
+%
+% The diff method of the ao class computes the derivative of the input data
+% using different methods.
+%
+% </MethodDescription>
+
+function results = utp_ao_diff(varargin)
+
+  % Check the inputs
+  if nargin == 0
+
+    % Some keywords
+    class   = 'ao';
+    mthd    = 'diff';
+
+    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('method', '3point', '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, at1, ple1)];    % Test errors are cleared
+    
+    results = [results utp_13];    % Test with plist: method = 'ORDER2'
+    results = [results utp_14];    % Test with plist: method = 'ORDER2SMOOTH'
+    results = [results utp_15];    % Test with plist: method = '5POINT'
+    
+    
+    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;
+    % 3 point derivative
+    x  = in.data.getX;
+    dx = diff(x);
+    y  = in.data.getY;
+    z  = zeros(size(y));
+    z(2:end-1) = (y(3:end)-y(1:end-2)) ./ (dx(2:end)+dx(1:end-1));
+    z(1)       = (y(2)-y(1)) ./ (dx(1));
+    z(end)     = 2*z(end-1)-z(end-2);
+    if ~isequal(out.y, z), 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 ~= 4, atest = false; end
+        % Check key
+        if ~io(3).plists.isparam('method'), atest = false; end
+        if ~io(3).plists.isparam('f0'), atest = false; end
+        if ~io(3).plists.isparam('order'), atest = false; end
+        if ~io(3).plists.isparam('coeff'), atest = false; end
+        % Check default value
+        if ~isequal(io(3).plists.find('method'), '2POINT'), atest = false; end
+        if ~isequal(io(3).plists.find('f0'), '1/Nsecs'), atest = false; end
+        if ~isequal(io(3).plists.find('order'), 'ZERO'), atest = false; end
+        if ~isEmptyDouble(io(3).plists.find('coeff')), atest = false; end
+        % Check options
+        if ~isequal(io(3).plists.getOptionsForParam('method'), {'2POINT', '3POINT', '5POINT', 'ORDER2', 'ORDER2SMOOTH', 'FILTER', 'FPS'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('f0'), {'1/Nsecs'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('order'), {'ZERO', 'FIRST', 'SECOND'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('coeff'), {[]}), 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_13
+
+  % <TestDescription>
+  %
+  % Control the method with a plist.
+  %
+  % </TestDescription>
+  function result = utp_13
+
+    % <SyntaxDescription>
+    %
+    % Test the computation of derivative using a 2nd order
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      pl   = plist('method', 'ORDER2');
+      out  = diff(at5, pl);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the diff method uses the 2nd order derivative.
+    % 2) Check that the re-built object is the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Compute derivative using a 2nd order
+      x  = at5.data.getX;
+      dx = diff(x);
+      y  = at5.data.getY;
+      z  = zeros(size(y));
+      m  = length(y);
+      % y'(x1)
+      z(1) = (1/dx(1)+1/dx(2))*(y(2)-y(1))+...
+        dx(1)/(dx(1)*dx(2)+dx(2)^2)*(y(1)-y(3));
+      % y'(xm)
+      z(m) = (1/dx(m-2)+1/dx(m-1))*(y(m)-y(m-1))+...
+        dx(m-1)/(dx(m-1)*dx(m-2)+dx(m-2)^2)*(y(m-2)-y(m));
+      % y'(xi) (i>1 & i<m)
+      dx1 = repmat(dx(1:m-2),1,1);
+      dx2 = repmat(dx(2:m-1),1,1);
+      y1 = y(1:m-2); y2 = y(2:m-1); y3 = y(3:m);
+      z(2:m-1) = 1./(dx1.*dx2.*(dx1+dx2)).*...
+        (-dx2.^2.*y1+(dx2.^2-dx1.^2).*y2+dx1.^2.*y3);
+      % Check the 2nd oder derivative
+      if ~isequal(out.y, z), 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_13
+
+  %% UTP_14
+
+  % <TestDescription>
+  %
+  % Control the method with a plist.
+  %
+  % </TestDescription>
+  function result = utp_14
+
+    % <SyntaxDescription>
+    %
+    % Test the computation of derivative using a 2nd order with a parabolic fit
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      pl  = plist('method', 'ORDER2SMOOTH');
+      out = diff(at5, pl);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the diff method uses the 2nd order derivative with a
+    %    parabolic fit
+    % 2) Check that the re-built object is the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Compute derivative using a 2nd order with a parabolic fit
+      x  = at5.data.getX;
+      y  = at5.data.getY;
+      dx = diff(x);
+      m  = length(y);
+      h = mean(dx);
+      z = zeros(size(y));
+      % y'(x1)
+      z(1) = sum(y(1:5).*[-54; 13; 40; 27; -26])/70/h;
+      % y'(x2)
+      z(2) = sum(y(1:5).*[-34; 3; 20; 17; -6])/70/h;
+      % y'(x{m-1})
+      z(m-1) = sum(y(end-4:end).*[6; -17; -20; -3; 34])/70/h;
+      % y'(xm)
+      z(m) = sum(y(end-4:end).*[26; -27; -40; -13; 54])/70/h;
+      % y'(xi) (i>2 & i<(N-1))
+      Dc = [2 1 0 -1 -2];
+      tmp = convn(Dc,y)/10/h;
+      z(3:m-2) = tmp(5:m);
+      % Check the 2nd oder derivative
+      if ~isequal(out.y, z), 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_14
+
+  %% UTP_15
+
+  % <TestDescription>
+  %
+  % Control the method with a plist.
+  %
+  % </TestDescription>
+  function result = utp_15
+
+    % <SyntaxDescription>
+    %
+    % Test the 5 point derivative.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      pl   = plist('method', '5POINT');
+      out  = diff(at5, pl);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the diff method uses the 5 point derivative.
+    % 2) Check that the re-built object is the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Compute 5 point derivative
+      x  = at5.data.getX;
+      dx = diff(x);
+      y  = at5.data.getY;
+      z  = zeros(size(y));
+      z(1)       = (y(2)-y(1)) ./ (dx(1));
+      z(2)       = (y(3)-y(1))./(dx(2)+dx(1));
+      z(3:end-2) = (-y(5:end) + 8.*y(4:end-1) - 8.*y(2:end-3) + y(1:end-4)) ./ (3.*(x(5:end)-x(1:end-4)));
+      z(end-1)   = 2*z(end-2)-z(end-3);
+      z(end)     = 2*z(end-1)-z(end-2);
+      % Check the 5 point derivative
+      if ~isequal(out.y, z), 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_15
+
+end