Parent and Child process of mm.c print results

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- Fix smuos#5
- Fix smuos#6
- Fixes smuos#7
- Fix minor problem with median()

mm.c

@@ -44,7 +44,7 @@ double mean(const void *a, int length, int size){
 double median(const int *a, int length){
     double result;
     if (length % 2 == 0)
-        result = (*((int*) (a + length/2) - 1) + *((int*) (a + length/2)) ) / 2;
+        result = (double) (*((int*) (a + length/2) - 1) + *((int*) (a + length/2)) ) / 2;
     else
         result = *((int*) (a + (length+1)/2 - 1));
     return result;
@@ -87,18 +87,22 @@ int main(int argc, char *argv[]) {
         exit(-1);
     else if (rc == 0){
         // Calculate the median
-        m = median(pt, length); 
+        m = median(pt, length);
+
+        // Print the median:
+        fprintf(stdout, "%s: The median is %f \n", argv[0], m);     
+
+        exit(0);
     }
     else{
         wait(NULL);
         // Calculate the mean
         m = mean(pt, length, sizeof(int));
-    }
+
+        // Print the mean:
+        fprintf(stdout, "%s: The mean is %f \n", argv[0], m);     }
 
 
-    // Print the mean?:
-    fprintf(stdout, "%s: The mean? is %f \n", argv[0], m);
-
     // Print out sorted numbers
     fprintf(stdout, "%s: Sorted output is: \n", argv[0]);
     for (i=0; i<length; i++) {