view src/samer/functions/Square.java @ 5:b67a33c44de7

Remove some crap, etc

/*
 *	Copyright (c) 2000, Samer Abdallah, King's College London.
 *	All rights reserved.
 *
 *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
 *	without even the implied warranty of MERCHANTABILITY or 
 *	FITNESS FOR A PARTICULAR PURPOSE.
 */

package samer.functions;
import  samer.maths.*;

public class Square extends Function
{	
	public double apply(double t) { return t*t; }
	public void apply(double [] x) {
		for (int i=0; i<x.length; i++) x[i]*=x[i];
	}
	public void apply(double [] x, double [] y) {
		for (int i=0; i<x.length; i++) y[i]=x[i]*x[i];
	}

	public String format(String arg) { return "sqr("+arg+")"; }
	public Function inverse() { return new Sqrt(); }
	public Function derivative() { return new Linear(2,0); }
}