TriangleClass.C File Reference

#include "TriangleClass.h"
#include "Geom.h"
#include "ArraySimple.h"

Include dependency graph for TriangleClass.C:

Macros
#define	TETRAHEDRALVOLUME(vol, a, b, c, d)

Macro Definition Documentation

#define TETRAHEDRALVOLUME	(		vol,
			a,
			b,
			c,
			d
	)

Value:

{\
  double ad1 = a[1] - d[1];\
  double bd1 = b[1] - d[1];\
  double cd1 = c[1] - d[1];\
  double ad2 = a[2] - d[2];\
  double bd2 = b[2] - d[2];\
  double cd2 = c[2] - d[2];\
  vol=   (a[0]-d[0])*(bd1*cd2 - bd2*cd1)\
       + (b[0]-d[0])*(cd1*ad2 - cd2*ad1)\
       + (c[0]-d[0])*(ad1*bd2 - ad2*bd1); \
}

Referenced by Triangle::intersects().