## Copyright (C) 1996 Auburn University.  All Rights Reserved
##
## This file is part of Octave. 
##
## Octave is free software; you can redistribute it and/or modify it 
## under the terms of the GNU General Public License as published by the 
## Free Software Foundation; either version 2, or (at your option) any 
## later version. 
## 
## Octave is distributed in the hope that it will be useful, but WITHOUT 
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License 
## for more details.
## 
## You should have received a copy of the GNU General Public License 
## along with Octave; see the file COPYING.  If not, write to the Free 
## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. 

## -*- texinfo -*-
## @deftypefn {Function File } { [@var{nonz}, @var{zer}] =} zgrownorm (@var{mat}, @var{meps})
## returns @var{nonz} = number of rows of @var{mat} whose two norm exceeds @var{meps}
##         @var{zer} = number of rows of mat whose two norm is less than meps
## @end deftypefn

function [sig, tau] = zgrownorm(mat,meps)

  rownorm = [];
  for ii=1:rows(mat)
    rownorm(ii) = norm(mat(ii,:));
  endfor
  sig = sum(rownorm > meps);
  tau = sum(rownorm <= meps);

endfunction