pcb 4.1.1
An interactive printed circuit board layout editor.

predicates.h

Go to the documentation of this file.
00001 /* GTS - Library for the manipulation of triangulated surfaces
00002  * Copyright (C) 1999 Stéphane Popinet
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA 02111-1307, USA.
00018  */
00019 /* Header file for robust predicates by Jonathan Richard Shewchuk */
00020 
00021 #ifndef __PREDICATES_H__
00022 #define __PREDICATES_H__
00023 
00024 double orient2d            (double * pa,
00025                             double * pb,
00026                             double * pc);
00027 double orient3d            (double * pa,
00028                             double * pb,
00029                             double * pc,
00030                             double * pd);
00031 double incircle            (double * pa,
00032                             double * pb,
00033                             double * pc,
00034                             double * pd);
00035 double insphere            (double * pa,
00036                             double * pb,
00037                             double * pc,
00038                             double * pd,
00039                             double * pe);
00040 
00041 #endif /* __PREDICATES_H__ */