partitionX.h

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/*
 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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/*
*/
 
#ifndef _PARTITIONX_H
#define _PARTITIONX_H
 
#include "directedLine.h"
 
Int isCuspX(directedLine *v);
Int isReflexX(directedLine *v);
Int cuspTypeX(directedLine *v);
 
//assuming the array of ret_interior_cusps has been allocated
void findInteriorCuspsX(directedLine* polygon, Int& ret_n_interior_cusps,
               directedLine** ret_interior_cusps);
 
Int numInteriorCuspsX(directedLine* polygon);
 
/*a single polygon with a single cusp
 *return the diagonal vertex corresponding to this cusp
 */
directedLine* findDiagonal_singleCuspX(directedLine* cusp);
 
#endif