src/common/fvect.h

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

/* SCCSid "$SunId$ LBL" */

#ifdef  SMLFLT
#define  FLOAT          float
#define  FTINY          (1e-3)
#else
#define  FLOAT          double
#define  FTINY          (1e-6)
#endif
#define  FHUGE          (1e10)

typedef FLOAT  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])
#define  VLEN(v)        sqrt(DOT(v,v))
#define  VSUM(vr,v1,v2,f)       ((vr)[0]=(v1)[0]+(f)*(v2)[0], \
                                (vr)[1]=(v1)[1]+(f)*(v2)[1], \
                                (vr)[2]=(v1)[2]+(f)*(v2)[2])

extern double  fdot(), dist2(), dist2lseg(), dist2line(), normalize();
Revision:	2.5
Committed:	Wed Oct 22 14:15:47 1997 UTC (26 years, 6 months ago) by gregl
Content type:	text/plain
Branch:	MAIN
Changes since 2.4:	+1 -0 lines
Log Message:	added VLEN(v) macro for vector magnitude
#	Content
1	/* Copyright (c) 1988 Regents of the University of California */
2
3	/* SCCSid "$SunId$ LBL" */
4
5	#ifdef SMLFLT
6	#define FLOAT float
7	#define FTINY (1e-3)
8	#else
9	#define FLOAT double
10	#define FTINY (1e-6)
11	#endif
12	#define FHUGE (1e10)
13
14	typedef FLOAT FVECT[3];
15
16	#define VCOPY(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2])
17	#define DOT(v1,v2) ((v1)[0](v2)[0]+(v1)[1](v2)[1]+(v1)[2]*(v2)[2])
18	#define VLEN(v) sqrt(DOT(v,v))
19	#define VSUM(vr,v1,v2,f) ((vr)[0]=(v1)[0]+(f)*(v2)[0], \
20	(vr)[1]=(v1)[1]+(f)*(v2)[1], \
21	(vr)[2]=(v1)[2]+(f)*(v2)[2])
22
23	extern double fdot(), dist2(), dist2lseg(), dist2line(), normalize();