/**
* Copyright (c) 2011, Regents of the University of California
* All rights reserved.
* <p/>
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* <p/>
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* <p/>
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* <p/>
* 3. Neither the name of the University of California, Berkeley nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
* <p/>
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package tests;
import janala.Main;
/**
* @author Jacob Burnim <jburnim@cs.berkeley.edu>
*/
public class InsertionSort {
public static void sort(int[] a) {
final int N = a.length;
for (int i = 1; i < N; i++) { // N branches
int j = i - 1;
int x = a[i];
// First branch (j >= 0): 2 + 3 + ... + N = N(N+1)/2 - 1 branches
// Second branch (a[j] > x): 1 + 2 + ... + N-1 = (N-1)N/2 branches
while ((j >= 0) && (a[j] > x)) {
a[j + 1] = a[j];
j--;
}
a[j + 1] = x;
}
}
public static void main(String[] args) {
final int N = 4;
int a[] = new int[N];
for (int i = 0; i < N; i++) {
a[i] = Main.readInt(0);
Main.MakeSymbolic(a[i]);
}
// We only measure the complexity of the sort itself. That
// is, we count branches only from this point forward in the
// execution.
sort(a);
for (int i = 0; i < N; i++) {
System.out.print(a[i] + " ");
}
System.out.println();
for (int i = 0; i < N-1; i++) {
if (a[i] > a[i+1]) throw new RuntimeException("Sorting bug");
}
}
}