view src/samer/functions/Sgn.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 Sgn extends Function
{	
	public double apply(double t) { 
		if (t>0) return 1;
		if (t<0) return -1;
		return 0;
	}
	public String format(String arg) { return "sgn("+arg+")"; }
}