package edu.stanford.nlp.optimization;
/**
* An interface for double-valued functions over double arrays.
*
* @author <a href="mailto:klein@cs.stanford.edu">Dan Klein</a>
* @version 1.0
* @since 1.0
*/
public interface FloatFunction {
/**
* Returns the value of the function at a single point.
*
* @param x a <code>double[]</code> input
* @return the function value at the input
*/
float valueAt(float[] x);
/**
* Returns the number of dimensions in the function's domain
*
* @return the number of domain dimensions
*/
int domainDimension();
}