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DP Tool Club 8
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FVECT.H
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C/C++ Source or Header
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1993-10-07
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641b
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23 lines
/* Copyright (c) 1988 Regents of the University of California */
/* SCCSid "@(#)fvect.h 2.4 10/2/92 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 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();