function y = logical2float(x,varargin)
%LOGICAL2FLOAT Convert logical variable into float format.
%   y = logical2float(x) convert the logical variable x into float format
%   y. x can be a vector or matrix.

%   Author:Harrison Zheng
%   ShenZhen HYT Science&Technology CO.,LTD.
%   Date:2006.11.30
if ~islogical(x),
    error('Input variable must be logical.');
end
[m,n] = size(x);
y = zeros(m,n);
y(find(x)) = 1;

% ------  EOF  ------