% -*- texinfo -*-
% @deftypefn {Function File} {@var{x} =} zgshsr (@var{y})
% Apply householder vector based on
% @iftex
% @tex
% $ e^m $
% @end tex
% @end iftex
% @ifinfo
% @math{e^(m)}
% @end ifinfo
% to column vector @var{y}.
% Called by @command{zgfslv}.
% @end deftypefn