Homework B (benchmarks)

javali_tests/HWB/Quicksort.javali

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+// Overall test of arrays, loops, etc. that does a simple quicksort.
+class Record {
+    int a ;
+}
+
+class Main {
+    Record [] a;
+    int i;
+
+    void swap(Record r1, Record r2) {
+        int temp;
+        temp = 0+1;
+        temp = r1.a;
+        r1.a = r2.a;
+        r2.a = temp;
+    }
+
+    void sort(int left, int right) {
+        int i,j;
+        int m;
+
+        m = (a[left].a + a[right].a) / (1 + 1);
+        i = left; 
+        j = right;
+        while (i <= j) {
+            while (a[i].a < m) { i = i+1; }
+            while (a[j].a > m) { j = j-1; }
+            if (i <= j) {
+                swap(a[i], a[j]);
+                i = i+1;
+                j = j-1;
+            }
+        }
+        if (left < j) { sort(left,j); }
+        if (i < right) { sort(i,right); }
+    }
+
+    void main() {
+        int SIZE;        
+        int j;
+        
+        SIZE = 10;
+
+        a = new Record[SIZE * 1];
+        j = 0;
+        while (j < SIZE) {
+	    	a[j] = new Record();
+	    	a[j].a = read();
+	    	j = j + 1;
+        }
+        sort(0, SIZE-1);
+        j = 0;
+        while (j < SIZE) {
+        	i = a[j].a;
+        	write(i);
+            writeln();
+	    	j = j + 1;
+        }
+    }
+}

javali_tests/HWB/Quicksort.javali.in

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