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
#	User	Rev	Content
1	greg	1.1	/* Copyright (c) 1988 Regents of the University of California */
2
3			/* SCCSid "$SunId$ LBL" */
4
5	greg	1.3	#ifdef SMLFLT
6	greg	1.2	#define FLOAT float
7	greg	2.3	#define FTINY (1e-3)
8	greg	1.2	#else
9			#define FLOAT double
10	greg	1.3	#define FTINY (1e-6)
11	greg	1.2	#endif
12	greg	1.3	#define FHUGE (1e10)
13	greg	1.1
14	greg	1.2	typedef FLOAT FVECT[3];
15
16	greg	1.1	#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	gregl	2.5	#define VLEN(v) sqrt(DOT(v,v))
19	greg	1.2	#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	greg	1.1
23	greg	2.4	extern double fdot(), dist2(), dist2lseg(), dist2line(), normalize();