/* Copyright (c) 1988 Regents of the University of California */

/* SCCSid "$SunId$ LBL" */

typedef double  FVECT[3];

#define  VCOPY(v1,v2)	((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2])
#define  DOT(v1,v2)	((v1)[0]*(v2)[0]+(v1)[1]*(v2)[1]+(v1)[2]*(v2)[2])

extern double  sqrt(), fdot(), dist2(), dist2lseg(), dist2line(), normalize();