% -*- texinfo -*-
% @deftypefn {Function File} {[@var{y} @var{h}]=} fracshift(@var{x},@var{d})
% @deftypefnx {Function File} {@var{y} =} fracshift(@var{x},@var{d},@var{h})
% Shift the series @var{x} by a (possibly fractional) number of samples @var{d}.
% The interpolator @var{h} is either specified or either designed with a Kaiser-windowed sinecard.
% @end deftypefn
% @seealso{circshift}