% -*- texinfo -*-
% @deftypefn {Function File} {} logical (@var{arg})
% Convert @var{arg} to a logical value. For example,
%
% @example
% logical ([-1, 0, 1])
% @end example
%
% @noindent
% is equivalent to
%
% @example
% [-1, 0, 1] ~= 0
% @end example
% @end deftypefn