% -*- texinfo -*-
% @deftypefn {Function File} {} nthroot (@var{x}, @var{n})
%
% Compute the n-th root of @var{x}, returning real results for real
% components of @var{x}. For example
%
% @example
% @group
% nthroot (-1, 3)
% @result{} -1
% (-1) ^ (1 / 3)
% @result{} 0.50000 - 0.86603i
% @end group
% @end example
%
% @end deftypefn