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root/radiance/ray/src/rt/srcsupp.c
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Comparing ray/src/rt/srcsupp.c (file contents):
Revision 1.6 by greg, Tue Jun 25 13:11:55 1991 UTC vs.
Revision 1.7 by greg, Tue Jun 25 15:34:17 1991 UTC

# Line 105 | Line 105 | register OBJREC  *so;
105          theta = PI/180.0/2.0 * so->oargs.farg[3];
106          if (theta <= FTINY)
107                  objerror(so, USER, "zero size");
108 <        src->ss = theta >= PI/4 ? 1.0 : tan(theta);
108 >        src->ss = theta >= PI/4.0 ? 1.0 : tan(theta);
109          src->ss2 = 2.0*PI * (1.0 - cos(theta));
110   }
111  

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