/*
 Authors 
 Martin Schlather, schlather@math.uni-mannheim.de


 Copyright (C) 2015 -- 2017 Felix Ballani 


This program 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 3
of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.  
*/




#ifndef CONVEX_H
#define CONVEX_H 1


/*******************************************************************************
 * convhull2D.h
 ****/
 

int ccw(double **P, int i, int j, int k);
int cmpl(const void *a, const void *b);
int cmph(const void *a, const void *b);
int make_chain(double** V, int n, int (*cmp)(const void*, const void*));
int ch2d(double **P, int n);

#endif /* CONVEX_H */