annotate src/samer/maths/opt/Datum.java @ 8:5e3cbbf173aa tip

Reorganise some more

/*
 *	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.maths.opt;
import  samer.maths.*;

public class Datum {
	public double []	x, g;		// position and gradient
	public double		f, s;		// value and slope

	Datum(int n) {
		x = new double[n];
		g = new double[n];
	}

	Datum(int n, double [] y) {
		x = y;
		g = new double[n];
	}

	public void copy(Datum P) {
		Mathx.copy(P.x,x);
		Mathx.copy(P.g,g);
		f=P.f;
		s=P.s;
	}

	public void dispose() { x=null; g=null; }
}