/* tour1d_pp.h */
/* Copyright (C) 2001 Dianne Cook and Sigbert Klinke and Eun-Kyung Lee

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

The authors can be contacted at the following email addresses:
    dicook@iastate.edu    sigbert@wiwi.hu-berlin.de
*/

void center (array_f *);
gint pca (array_f *, void *, gfloat *,  gpointer userData);

gfloat t1d_calc_indx(array_f, Tour_PPIndex_f fun, void *param);
gboolean t1d_switch_index(gint, gint, displayd *, ggobid *);
