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33 lines
725 B
C
33 lines
725 B
C
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/*
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* p2d_hsort.h - Hierarchical polygon sort
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*
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* Written 2012 by Werner Almesberger
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* Copyright 2012 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef P2D_HSORT_H
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#define P2D_HSORT_H
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#include "poly2d.h"
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#define p2d_to_hier(p) ((struct p2d_hier *) (p))
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struct p2d_hier {
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struct p2d p; /* "next" link for siblings */
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struct p2d_hier *holes; /* children */
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};
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struct p2d_hier *p2d_hsort(const struct p2d *p);
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void p2d_hier_free(struct p2d_hier *t);
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#endif /* !P2D_HSORT_H */
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