--- ray/src/gen/illum.cal	1992/08/13 11:24:53	2.5
+++ ray/src/gen/illum.cal	1993/12/09 16:57:36	2.6
@@ -16,9 +16,9 @@
 }
 
 il_alt = Dz;
-il_azi = norm_rad(atan2(Dy, Dx));
+il_azi = norm_rad(Atan2(Dy, Dx));
 
 il_alth = sq(-Dx*A7-Dy*A8-Dz*A9);
-il_azih = norm_rad(atan2(-Dx*A4-Dy*A5-Dz*A6, -Dx*A1-Dy*A2-Dz*A3));
+il_azih = norm_rad(Atan2(-Dx*A4-Dy*A5-Dz*A6, -Dx*A1-Dy*A2-Dz*A3));
 
 norm_rad(r) = if( r, r, r+2*PI );