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root/radiance/ray/src/common/fvect.h
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Comparing ray/src/common/fvect.h (file contents):
Revision 2.4 by greg, Fri Oct 2 15:54:57 1992 UTC vs.
Revision 2.5 by gregl, Wed Oct 22 14:15:47 1997 UTC

# Line 15 | Line 15 | 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])

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