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- ## Copyright (C) 1996,1998 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 } {[a ,b ] =} zgsgiv(@var{c},@var{s},@var{a},@var{b})
- ## apply givens rotation c,s to row vectors @var{a},@var{b}
- ## No longer used in zero-balancing (zgpbal); kept for backward compatibility
- ## @end deftypefn
-
- function [a, b] = zgsgiv (c, s, a, b)
-
- ## A. S. Hodel July 29, 1992
- ## Convertion to Octave by R. Bruce Tenison July 3, 1994
-
- t1 = c*a + s*b;
- t2 = -s*a + c*b;
- a = t1;
- b = t2;
- endfunction
-