/* Function.java
*
* Copyright (C) 1997-2007 Stephan Michels <stephan@vern.chem.tu-berlin.de>
*
* Contact: cdk-devel@lists.sourceforge.net
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
* All we ask is that proper credit is given for our work, which includes
* - but is not limited to - adding the above copyright notice to the beginning
* of your source code files, and to any copyright notice that you may distribute
* with programs based on this work.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
* */
package org.openscience.cdk.math;
/**
* A class, which has a function value should implement this interface.
*
* @cdk.module qm
*/
public interface IFunction
{
/**
* Return the function value at (x,y,z)
*/
public double getValue(double x, double y, double z);
/**
* Return the function value
*
* The rows of the matrix x are the Parameters like x,y,z
* and the columns are the values which must calculated.
*/
public Vector getValues(Matrix x);
}