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binput2tropicalreal.m
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binput2tropicalreal.m
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% [bertini_options, system_variables, curve_system, subfunctions, is_homogenized, homogenizing_variable] = binput2tropicalreal(b_input)
%
% Take a bertini input file (matlab representation from this package), and
% extract data from it for the tropical decomposition.
%
%
%
% copyright 2016 Daniel Brake
% University of Notre Dame
% Applied and Computational Mathematics and Statistics
%
% Bertini (TM) is a registered trademark.
%
% This file is part of Bertini_tropical.
%
% Bertini_tropical 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.
%
% Bertini_tropical 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 this program. If not, see <http://www.gnu.org/licenses/>.
function [bertini_options, system_variables, curve_system, subfunctions, is_homogenized, homogenizing_variable] = binput2tropicalreal(b_input)
% if length(b_input.variable_group)~=1
% error('sorry, tropical real is only enabled for exactly one variable group');
% end
system_variables = b_input.variable_group;
curve_system = b_input.functions;
bertini_options = b_input.config;
subfunctions = b_input.subfunction;
if isfield(bertini_options,'tracktype')
bertini_options = rmfield(bertini_options,'tracktype');
end
found_h = false;
for ii = 1:length(system_variables)
if system_variables{ii}=='h'
found_h = true;
end
end
if ~found_h
is_homogenized = 0;
homogenizing_variable = '';
% error('tropical real expects there to be a variable named ''h'', and for it to act as the homogenizing variable.');
else
homogenizing_variable = 'h';
is_homogenized = 1;
end
end