--- ray/src/rt/normal.c 1993/02/12 10:41:02 2.23 +++ ray/src/rt/normal.c 1993/03/08 12:37:27 2.24 @@ -23,6 +23,8 @@ static char SCCSid[] = "$SunId$ LBL"; extern double specthresh; /* specular sampling threshold */ extern double specjitter; /* specular sampling jitter */ +static gaussamp(); + /* * This routine implements the isotropic Gaussian * model described by Ward in Siggraph `92 article.