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## Copyright (C) 1996, 2000, 2003, 2005, 2007
## Auburn University. All rights reserved.
##
##
## This program 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 3 of the License, or (at
## your option) any later version.
##
## This program 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 this program; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {[@var{nonz}, @var{zer}] =} zgrownorm (@var{mat}, @var{meps})
## Return @var{nonz} = number of rows of @var{mat} whose two norm
## exceeds @var{meps}, and @var{zer} = number of rows of mat whose two
## norm is less than @var{meps}.
## @end deftypefn
function [sig, tau] = zgrownorm (mat, meps)
if (nargin != 2)
print_usage ();
endif
rownorm = [];
for ii = 1:rows (mat)
rownorm(ii) = norm (mat(ii,:));
endfor
sig = sum (rownorm > meps);
tau = sum (rownorm <= meps);
endfunction
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