% -*- texinfo -*-
% @deftypefn {Function File} {@var{x} =} zgscal (@var{f}, @var{z}, @var{n}, @var{m}, @var{p})
% Generalized conjugate gradient iteration to
% solve zero-computation generalized eigenvalue problem balancing equation
% @math{fx=z}; called by @command{zgepbal}.
% @end deftypefn