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irfmatching: add function to check for existence of irf_matching_file

covariance-quadratic-approximation
Willi Mutschler 2023-10-09 15:21:20 +02:00
parent 95bfb84014
commit 613b3869e1
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matlab/+mom/check_irf_matching_file.m Normal file
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function [irf_matching_file_name, irf_matching_file_path] = check_irf_matching_file(irf_matching_file)
% [irf_matching_file_name, irf_matching_file_path] = check_irf_matching_file(irf_matching_file)
% -------------------------------------------------------------------------
% Check if the provided irf_matching_file is a valid MATLAB function with
% .m extension and return name, path and extension of the file.
% -------------------------------------------------------------------------
% INPUTS
% - irf_matching_file: [string] user provided name (with possible path and extension)
% of the MATLAB function that transforms model irfs
% -------------------------------------------------------------------------
% OUTPUTS
% - irf_matching_file_name: [string] name of the MATLAB function (without extension)
% - irf_matching_file_path: [string] path to irf_matching_file_name
% -------------------------------------------------------------------------
% This function is called by
% - mom.run
% -------------------------------------------------------------------------
% Copyright © 2023 Dynare Team
%
% This file is part of Dynare.
%
% Dynare is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare. If not, see <https://www.gnu.org/licenses/>.
if isempty(irf_matching_file)
% no irf_matching_file provided, so no transformations will be done
irf_matching_file_name = '';
irf_matching_file_path = '';
else
[irf_matching_file_path, irf_matching_file_name, irf_matching_file_ext] = fileparts(irf_matching_file);
% make sure file is a MATLAB function with .m extension
if ~strcmp(irf_matching_file_ext,'.m')
if strcmp(irf_matching_file_ext,'')
irf_matching_file_ext = '.m';
else
error('method_of_moments: ''irf_matching_file'' needs to point towards a MATLAB function with extension ''.m''!');
end
end
if isempty(irf_matching_file_path)
irf_matching_file_path = '.';
end
if exist([irf_matching_file_path filesep irf_matching_file_name irf_matching_file_ext],'file') ~= 2
error('method_of_moments: Could not find a ''irf_matching_file'' called ''%s''!',[irf_matching_file_path filesep irf_matching_file_name irf_matching_file_ext]);
end
end