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lib/fimg-math.c

@@ -66,6 +66,9 @@ for (idx=0; idx<4; idx++)	means[idx] /= (float)surface;
 return 0;
 }
 /* ---------------------------------------------------------------- */
+/*
+ *	more elaborate functions are in fimg-2gray.c
+ */
 int fimg_to_gray(FloatImg *head)
 {
 float		add;