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gugr_regularize.h

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/* LIBGUL - Geometry Utility Library
 * Copyright (C) 1998-1999 Norbert Irmer
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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.
 */
 
#ifndef GUGR_REGULARIZE_H
#define GUGR_REGULARIZE_H

namespace gugr {

/* --------------------------------------------------------------------
  Sort vertices. (V2 > V1, if y2 > y1 or x2 < x1 if y2 = y1)
--------------------------------------------------------------------- */

int compare_vertices( void *p1, void *p2, void *data );

graph_vertex *SortVertices( graph_vertex_list *V );
void Regularize( graph_edge_list *E, graph_vertex_list *V );

}

#endif

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