renamed test.java to Test.java and changed the makefile accordingly to stop javac...
authorstephey <stephey>
Sat, 3 Apr 2010 01:33:22 +0000 (01:33 +0000)
committerstephey <stephey>
Sat, 3 Apr 2010 01:33:22 +0000 (01:33 +0000)
Robust/src/Tests/mlp/stephen/test.java

index fd6d421f86703c7e346d51d00775a33d1100cddf..421292f56c6002ef1ad01cb6f30a5115d14443ce 100644 (file)
@@ -1,39 +1,65 @@
-public class Test 
-{
-    private final int MAX = 1000;
-
-    //Is needed because the default doesn't work that well...
-    public Test(){}
-    
-    public static void main(String args[]) {
-       
-       System.out.println("# it starts");      
-       Test t = new Test();
-       t.doSomeWork();
-       
-    }    
-    
-    public void doSomeWork() 
-    {
-
-    }
-
-    public boolean isPrime(int num)
-    {
-       //Did abs this way because I didn't want to import Math
-       int number = (num >= 0) ? num:-num;
-
-       if(number <= 1)
-           return false;
-
-       for(int i = 2; i < number; i++)
-       {
-           if(number%i == 0)
-               return false;
-       }
-       
-       return true;
-    }
-   
-}
-
+public class Test\r
+{\r
+    private final int MAX = 100000;\r
+\r
+    public Test(){}\r
+\r
+    public static void main(String args[]) {\r
+\r
+        System.out.println("# it starts");\r
+        Test t = new Test();\r
+        t.doSomeWork();\r
+\r
+    }\r
+\r
+    public void doSomeWork()\r
+    {\r
+        long sum = 0;\r
+        long time = System.currentTimeMillis();\r
+        \r
+        //I did the for loop this way so that each parallel thread would take\r
+        //about the same time \r
+        for(int i = 0; i < MAX/2 + 1; i++)\r
+        {\r
+               int innerSum = 0;\r
+               \r
+               {\r
+                       int oppositeNum = MAX - i;\r
+                       \r
+                       if(isPrime(i))\r
+                               innerSum += i;\r
+                       \r
+                       if(i != oppositeNum && isPrime(oppositeNum))\r
+                               innerSum += MAX - i;\r
+               }\r
+               \r
+               sum += innerSum;\r
+        }\r
+\r
+        System.out.println("The sum of primes from 1 to " + MAX + " is " + sum + ".");\r
+        System.out.println("Note: 1 is counted as a prime.");\r
+        System.out.println("Time Consumed (Not Parallelized): " + (System.currentTimeMillis() - time) + " ms");\r
+\r
+    }\r
+    \r
+\r
+    private boolean isPrime(int number)\r
+    {\r
+       //handles special cases\r
+        if(number < 1)\r
+            return false;\r
+\r
+        if (number < 3)\r
+               return true;\r
+\r
+        //Tests the rest of the numbers\r
+        for(int i = 2; i < number; i++)\r
+        {\r
+            if(number%i == 0)\r
+                return false;\r
+        }\r
+        \r
+        return true;\r
+    }\r
+\r
+}\r