minor change in seive of erathrones

64json · 64json · commit bcb018382950 · 2016-06-02T17:12:32.000+09:00
diff --git a/algorithm/number_theory/seive_of_erathrones/basic/code.js b/algorithm/number_theory/seive_of_erathrones/basic/code.js
@@ -1,16 +1,16 @@
 logger._print("1 is not prime");
 tracer._select(0)._wait();
-for(var i=2;i<=length;i++) {
-	if(b[i]===0) {
-		logger._print(i+" is not marked, so it is prime");
-		// a[i-1] is prime mark by red indicators
-		tracer._notify(i-1)._wait();
-		for(var j=i+i;j<=length;j+=i) {
-			b[j]=1; // a[j-1] is not prime, mark by blue indicators
-			logger._print(j+" is a multiple of "+i+" so it is marked as composite" );
-			tracer._select(j-1)._wait();
-		}
-		tracer._denotify(i-1);
-	}
+for (var i = 2; i <= N; i++) {
+  if (b[i] === 0) {
+    logger._print(i + " is not marked, so it is prime");
+    // a[i-1] is prime mark by red indicators
+    tracer._notify(i - 1)._wait();
+    for (var j = i + i; j <= N; j += i) {
+      b[j] = 1; // a[j-1] is not prime, mark by blue indicators
+      logger._print(j + " is a multiple of " + i + " so it is marked as composite");
+      tracer._select(j - 1)._wait();
+    }
+    tracer._denotify(i - 1);
+  }
 }
-logger._print("The unmarked numbers are the prime numbers from 1 to "+length);
+logger._print("The unmarked numbers are the prime numbers from 1 to " + N);
diff --git a/algorithm/number_theory/seive_of_erathrones/basic/data.js b/algorithm/number_theory/seive_of_erathrones/basic/data.js
@@ -1,10 +1,10 @@
 var tracer = new Array1DTracer('Seive');
-length = 30;
+var N = 30;
 var a = [];
 var b = [];
-for (var i=1;i<=length;i++) {
-	a.push(i);
-	b.push(0);
+for (var i = 1; i <= N; i++) {
+  a.push(i);
+  b.push(0);
 }
 tracer._setData(a);
 var logger = new LogTracer();
