optimized 1dlife

1dlife

@@ -18,7 +18,7 @@ state="${state//[^0]/1}"
 slen=$((${#state} - 1)) # length + 4 (temporary padding) - 5
 
 # complete rule mapping
-declare -ar values=(0 0 0 1 0 0 0 1 0 1 1 1 0 1 1 0 \
+declare -ar rule=(0 0 0 1 0 0 0 1 0 1 1 1 0 1 1 0 \
                   0 1 1 1 0 1 1 0 1 1 1 0 1 0 0 1)
   
 for ((i=0; i<ITERS; ++i)); do
@@ -26,7 +26,7 @@ for ((i=0; i<ITERS; ++i)); do
   newstate=''
   for ((k=0; k<slen; ++k)); do
     vidx="${state:k:5}"
-    newstate="${newstate}${values[$((2#$vidx))]}"    
+    newstate="${newstate}${rule[$((2#$vidx))]}"    
   done
   state="$newstate"
   newstate="${newstate//0/ }"