function distr = Create1DDistribution(values)
%
%
%        distr = Create1DDistribution(values)
%
%
%        Input:
%           -values: values
%
%        Output:
%           -distr: a 1D distribution
%
%     Copyright (C) 2011  Francesco Banterle
% 
%     This program 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.
% 
%     This program 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/>.
%

sumPDF = sum(values);

if(sumPDF <= 0)
    PDF = zeros(size(values));
    sumPDF = 1.0;
else
    PDF = values;
end

CDF = cumsum(PDF);
maxCDF = max(CDF);

if(maxCDF > 0)
    CDF = CDF / maxCDF;
end

distr = struct('PDF', PDF / sumPDF, 'CDF', CDF, 'maxCDF', maxCDF);

end