--- zoom.c.orig
+++ zoom.c
@@ -199,7 +199,7 @@ struct dyn_data {
 #define adddata(n,i) ((((n)<<DSIZES)+(((i)&(DSIZEHMASK)))))
 #define getbest(i) (((size)<<DSIZES)+(i))
 
-#define PRICE(i,i1) ((((ftmp=((i)-(i1)))*ftmp)*(rangedelta)))
+#define PRICE(i,i1) (((ftmp=((i)-(i1)),ftmp*ftmp)*(rangedelta)))
 #define NEWPRICE (FPMUL)
 
 #define NOSETMASK ((unsigned int)0x80000000)