package sort;

/** Combines two <b><tt>IntVector</b></tt>s together. Used with scans or 
 *  reductions.
 */
public class IntVectorCombiner implements ObjectOp {

    /** Combines two <b><tt>IntVector</b></tt>s together, the first mutated 
     *  to the result.
     *  @param o1 the first <b><tt>IntVector</b></tt> (mutated)
     *  @param o2 the second <b><tt>IntVector</b></tt> (not mutated)
     *  @return the resulting combined <b><tt>IntVector</b></tt>, pointer 
     *  equal to the first parameter
     */
    public Object eval(Object o1, Object o2) {
	IntVector iv1 = (IntVector) o1;
	IntVector iv2 = (IntVector) o2;
	iv1.concat(iv2);
	return iv1;
    }

}