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root/radiance/ray/src/common/fvect.c
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Comparing ray/src/common/fvect.c (file contents):
Revision 2.1 by greg, Tue Nov 12 16:55:09 1991 UTC vs.
Revision 2.2 by greg, Fri Oct 2 16:02:43 1992 UTC

# Line 10 | Line 10 | static char SCCSid[] = "$SunId$ LBL";
10   *     8/14/85
11   */
12  
13 + #include  <math.h>
14   #include  "fvect.h"
15  
16  
# Line 120 | Line 121 | spinvector(vres, vorig, vnorm, theta)  /* rotate vector
121   FVECT  vres, vorig, vnorm;
122   double  theta;
123   {
123 –        extern double  cos(), sin();
124          double  sint, cost, normprod;
125          FVECT  vperp;
126          register int  i;

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