134 lines
3.8 KiB
Matlab
134 lines
3.8 KiB
Matlab
function tf = ver_less_than(ver1, ver2)
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%function tf = ver_less_than(ver1, ver2)
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% ver1 < ver2 ? 1 : 0;
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%
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% INPUTS
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% ver1 [string] software version number
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% ver2 [string] software version number
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%
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% OUTPUTS
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% tf [bool] true if ver1 < ver2
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%
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% SPECIAL REQUIREMENTS
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% none
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% Copyright © 2015-2022 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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tf = true;
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ver1 = strsplit(ver1, {'.', '-'});
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ver2 = strsplit(ver2, {'.', '-'});
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maj_ver1 = str2double(ver1{1});
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maj_ver2 = str2double(ver2{1});
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if maj_ver1 < maj_ver2
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tf = true;
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return
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elseif maj_ver1 > maj_ver2
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tf = false;
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return
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end
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min_ver1 = str2double(ver1{2});
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min_ver2 = str2double(ver2{2});
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if (maj_ver1 == maj_ver2) && (min_ver1 < min_ver2)
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tf = true;
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return
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elseif (maj_ver1 == maj_ver2) && (min_ver1 > min_ver2)
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tf = false;
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return
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end
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%deal with revision in Dynare 4 and unstable versions involved
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if min(maj_ver1,maj_ver2)<5 %old versioning scheme with three digits
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if (length(ver1) == length(ver2) && length(ver1) == 3)
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%check if master branch (unstable) or stable
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ismaster1 = isnan(str2double(ver1{3}));
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ismaster2 = isnan(str2double(ver2{3}));
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if (maj_ver1 == maj_ver2) && (min_ver1 == min_ver2) && (~ismaster1 && ismaster2)
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%ver2 is the unstable
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return
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end
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if ~ismaster1 && ~ismaster2 %both are stable versions
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rev_ver1 = str2double(ver1{3});
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rev_ver2 = str2double(ver2{3});
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if (maj_ver1 == maj_ver2) && (min_ver1 == min_ver2) && (rev_ver1 < rev_ver2)
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%ver1 has the lower minor version
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return
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end
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end
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else
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%ver1 is an unstable version
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error('Case is undefined, please contact the developers')
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end
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elseif min(maj_ver1,maj_ver2)>=5 %new versioning scheme with three digits
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if strcmp(ver1{2},'x') || strcmp(ver1{2},'unstable')
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date_number_1=datenum([ver1{3} ver1{4} ver1{5}],'YYYYMMDD');
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stable_version_indicator_1=0;
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elseif ~isnan(str2double(ver1{2}))
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stable_version_indicator_1=1;
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else
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error('Case is undefined, please contact the developers')
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end
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if strcmp(ver2{2},'x') || strcmp(ver2{2},'unstable')
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date_number_2=datenum([ver2{3} ver2{4} ver2{5}],'YYYYMMDD');
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stable_version_indicator_2=0;
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elseif ~isnan(str2double(ver2{2}))
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stable_version_indicator_2=1;
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end
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if ~stable_version_indicator_1 && ~stable_version_indicator_2
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if date_number_1<date_number_2
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return
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end
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else
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%comparison between unstable and stable version
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error('You cannot compare a stable release to an unstable version of the same branch.')
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end
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end
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tf = false;
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return % --*-- Unit tests --*--
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%@test:1
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ver1='4.4';
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ver2='4.5.2';
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t(1)=dassert(ver_less_than(ver1,ver2),true);
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T = all(t);
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%@eof:1
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%@test:2
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ver1='4.4';
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ver2='6-unstable-2021-12-15-1737-21a8a579';
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t(1)=dassert(ver_less_than(ver1,ver2),true);
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T = all(t);
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%@eof:2
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%@test:3
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ver1='5.0';
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ver2='5.1';
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t(1)=dassert(ver_less_than(ver1,ver2),true);
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T = all(t);
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%@eof:3
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%@test:4
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ver1='6-unstable-2021-12-18-1227-c43777f6';
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ver2='6-unstable-2021-12-19-1953-d841fc7c';
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t(1)=dassert(ver_less_than(ver1,ver2),true);
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T = all(t);
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%@eof:4
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