1function [Q, A0, Aplus, Zeta] = load_flat_file(file_tag)
2%function [Q, A0, Aplus, Zeta] = load_flat_file(file_tag)
3% Loads file saved by save_draws option of ms_simulation.
4%
5% INPUTS
6%   file_tag:    the file tag used with ms_simulation
7%
8% OUTPUTS
9%   Q:           Q matrix
10%   A0:          A0 matrix
11%   Aplus:       A+ matrix
12%   Zeta:        Zeta matrx
13%
14% SPECIAL REQUIREMENTS
15%   none
16
17% Copyright (C) 2013 Dynare Team
18%
19% This file is part of Dynare.
20%
21% Dynare is free software: you can redistribute it and/or modify
22% it under the terms of the GNU General Public License as published by
23% the Free Software Foundation, either version 3 of the License, or
24% (at your option) any later version.
25%
26% Dynare is distributed in the hope that it will be useful,
27% but WITHOUT ANY WARRANTY; without even the implied warranty of
28% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
29% GNU General Public License for more details.
30%
31% You should have received a copy of the GNU General Public License
32% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
33
34Q = [];
35A0 = [];
36Aplus = [];
37Zeta = [];
38
39try
40    headerfid = fopen(['est_flat_header_' file_tag '.out'], 'r');
41catch
42    error(['Can''t find est_flat_header_' file_tag '.out'])
43end
44headerfile=textscan(headerfid, '%s');
45fclose(headerfid);
46flatfile = dlmread(['est_flat_' file_tag '.out'], ' ');
47
48headerfile = headerfile{:};
49for i=1:length(headerfile)
50    line = char(headerfile{i});
51    indob = strfind(line, '[');
52    indcb = strfind(line, ']');
53    indop = strfind(line, '(');
54    indcp = strfind(line, ')');
55    indc  = strfind(line, ',');
56    if isempty(indob)
57        name = line(1:indop-1);
58        dim3 = [];
59    else
60        name = line(1:indob-1);
61        dim3 = line(indob+1:indcb-1);
62    end
63    row = line(indop+1:indc-1);
64    col = line(indc+1:indcp-1);
65
66    if isempty(dim3)
67        eval([name '(' row ',' col ') = ' num2str(flatfile(i)) ';']);
68    else
69        eval([name '(' row ',' col ',' dim3 ') = ' num2str(flatfile(i)) ';']);
70    end
71end
72