240 lines
7.9 KiB
Matlab
240 lines
7.9 KiB
Matlab
% --*-- Unitary tests --*--
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function B = subsref(A,S)
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%@info:
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%! @deftypefn {Function File} {@var{us} =} subsref (@var{ts},S)
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%! @anchor{@dynDate/subsref}
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%! @sp 1
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%! Overloads the subsref method for the Dynare dates class (@ref{dynDate}).
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%! @sp 2
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%! @strong{Inputs}
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%! @sp 1
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%! @table @ @var
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%! @item A
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%! Dynare date object instantiated by @ref{dynDate}.
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%! @item S
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%! Matlab's structure array S with two fields, type and subs. The type field is string containing '()', '@{@}', or '.', where '()' specifies
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%! integer subscripts, '@{@}' specifies cell array subscripts, and '.' specifies subscripted structure fields. The subs field is a cell array
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%! or a string containing the actual subscripts (see matlab's documentation).
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%! @end table
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%! @sp 1
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%! @strong{Outputs}
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%! @sp 1
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%! @table @ @var
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%! @item B
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%! A matlab object (public member of the @ref{dynDate} object).
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%! @end table
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%! @sp 2
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%! @strong{This function is called by:}
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%! @sp 2
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%! @strong{This function calls:}
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%! @sp2
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%!
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%! @end deftypefn
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%@eod:
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% Copyright (C) 2011-2013 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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switch S(1).type
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case '.'
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switch S(1).subs
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case 'format'
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B = format(A);
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case {'time', 'freq'}
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B = builtin('subsref', A, S(1));
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otherwise
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error('dynDate::subsref: Unknown public member of method!')
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end
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case '()'
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switch length(S(1).subs)
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case 1
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if ischar(S(1).subs{1})
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if numel(S(1).subs{1})==1 && isempty(strmatch(S(1).subs{1},{'W','M','Q','Y'},'exact'))
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error(['dynDate::subsref: To set the frequency, the input argument of dynDate object ''' inputname(1) ''' should be ''W'', ''M'', ''Q'' or ''Y''.'])
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end
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% Set the frequency (if numel==1) of an empty dynDate object or set the date (if numel>1).
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B = dynDate(S(1).subs{1});
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elseif isnumeric(S(1).subs{1}) && isscalar(S(1).subs{1}) && isint(S(1).subs{1})
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if (~isnan(A.freq) && A.freq==1) || isnan(A.freq)
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B = dynDate(S(1).subs{1});
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else
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error(['dynDate::subsref: dynDate object ''' inputname(1) ''' was not instantiated for years.'])
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end
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else
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error('dynDate::subsref: Something is wrong in your syntax!')
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end
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case 2% Populate an empty dynDate object
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if isnan(A.freq)
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error(['dynDate::subsref: I cannot interpret the two inputs of dynDate object ''' inputname(1) ''' because frequency is not set.'])
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else
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tmp = [];
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switch A.freq
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case 4
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% Quaterly data
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if isint(S(1).subs{2}) && isint(S(1).subs{1}) && S(1).subs{2}<5 && S(1).subs{2}>0
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tmp = [int2str(S(1).subs{1}), 'Q' int2str(S(1).subs{2})];
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else
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if ~isint(S(1).subs{2}) || ~(S(1).subs{2}<5 && S(1).subs{2}>0)
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error(['dynDate::subsref: The second input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{2}) ') should be a positive integer less than or equal to 4.'])
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end
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if ~isint(S(1).subs{2})
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error(['dynDate::subsref: The first input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{1}) ') should be an integer.'])
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end
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end
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case 12
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% Monthly data
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if isint(S(1).subs{2}) && isint(S(1).subs{1}) && S(1).subs{2}<13 && S(1).subs{2}>0
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tmp = [num2str(S(1).subs{1}), 'M' num2str(S(1).subs{2})];
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else
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if ~isint(S(1).subs{2}) || ~(S(1).subs{2}<13 && S(1).subs{2}>0)
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error(['dynDate::subsref: The second input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{2}) ') should be a positive integer less than or equal to 12.'])
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end
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if ~isint(S(1).subs{2})
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error(['dynDate::subsref: The first input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{1}) ') should be an integer.'])
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end
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end
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case 52
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% Weekly data
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if isint(S(1).subs{2}) && isint(S(1).subs{1}) && S(1).subs{2}<53 && S(1).subs{2}>0
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tmp = [num2str(S(1).subs{1}), 'W' num2str(S(1).subs{2})];
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else
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if ~isint(S(1).subs{2}) || ~(S(1).subs{2}<53 && S(1).subs{2}>0)
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error(['dynDate::subsref: The second input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{2}) ') should be a positive integer less than or equal to 52.'])
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end
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if ~isint(S(1).subs{2})
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error(['dynDate::subsref: The first input argument of dynDate object ''' inputname(1) ''' (' num2str(S(1).subs{1}) ') should be an integer.'])
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end
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end
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case 1
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% Yearly data
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error('dynDate::subsref: Frequency is set for years. You should not provide more than one integer input argument (to set the year)!')
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otherwise
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error('dynDate::subsref: Unknown frequency!')
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end
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if ~isempty(tmp)
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B = dynDate(tmp);
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end
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end
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otherwise
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error(['dynDate::subsref: dynDate object ''' inputname(1) ''' cannot have more than two inputs.'])
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end
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otherwise
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error('dynDate::subsref: Something is wrong in your syntax!')
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end
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S = shiftS(S);
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if ~isempty(S)
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B = subsref(B, S);
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end
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%@test:1
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%$ t = zeros(3,1);
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%$
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%$ % Instantiate an empty dynDate object
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%$ a = dynDate();
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%$ if all(isnan(a.time)) && isnan(a.freq)
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%$ t(1) = 1;
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%$ end
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%$
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%$ % Populate the empty dynDate object
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%$ try
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%$ a = a('1950Q1');
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%$ if isequal(a.time,[1950 1]) && isequal(a.freq,4)
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%$ t(2) = 1;
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%$ end
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%$ catch
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%$ % Nothing to do here...
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%$ end
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%$
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%$ % "Overwrite" a dynDate object
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%$ try
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%$ a = a('1945Q3');
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%$ if isequal(a.time,[1945 3]) && isequal(a.freq,4)
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%$ t(3) = 1;
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%$ end
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%$ catch
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%$ % Nothing to do here...
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%$ end
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%$
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%$ % Check the results.
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%$ T = all(t);
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%@eof:1
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%@test:2
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%$ % Instantiate a dynDate object
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%$ a = dynDate('1938Q4');
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%$
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%$ % Try to access a non existent (or forbidden) property
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%$ try
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%$ a.Time;
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%$ t = 0;
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%$ catch
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%$ t = 1;
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%$ end
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%$
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%$ T = all(t);
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%@eof:2
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%@test:3
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%$ % Try more complex call to overloaded subsref
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%$ t = zeros(3,1);
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%$ try
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%$ a = dynDate('M');
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%$ time = a('1973M1').time;
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%$ t(1) = 1;
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%$ t(2) = dyn_assert(time,[1973,1]);
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%$ t(3) = dyn_assert(a.freq,12);
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%$ catch
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%$ % Nothing to do here.
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%$ end
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%$
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%$ T = all(t);
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%@eof:3
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%@test:4
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%$ t = NaN(3,1);
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%$ % Instantiate an empty object for quaterly date
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%$ qq = dynDate('Q');
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%$ % Populate this object
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%$ a = qq(1938,4);
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%$ try
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%$ a = dynDate(1938,11);
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%$ t(3) = 0;
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%$ catch
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%$ t(3) = 1;
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%$ end
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%$
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%$ % Check the results
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%$ t(1) = dyn_assert(a.freq,4);
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%$ t(2) = dyn_assert(a.time,[1938,4]);
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%$ T = all(t);
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%@eof:4
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%@test:5
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%$ t = NaN(2,1);
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%$ % Instantiate an empty object for quaterly date
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%$ qq = dynDate('Q');
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%$ % Populate this object and get the time member
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%$ time = qq(1938,4).time;
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%$
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%$ % Check the results
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%$ t(1) = dyn_assert(qq.freq,4);
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%$ t(2) = dyn_assert(time,[1938,4]);
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%$ T = all(t);
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%@eof:5
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