?? constant.java
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package com.oozinoz.function;
/*
* Copyright (c) 2001 Steven J. Metsker.
*
* Steve Metsker makes no representations or warranties about
* the fitness of this software for any particular purpose,
* including the implied warranty of merchantability.
*
* Please use this software as you wish with the sole
* restriction that you may not claim that you wrote it.
*/
/**
* Provide a "function" that ignores the time t parameter
* and always returns a constant value.
*
* @author Steven J. Metsker
*/
public class Constant extends Function
{
private double constant;
/**
* Construct a "function" that ignores the time t parameter
* and always returns a constant value.
*/
public Constant(double constant)
{
super(new Function[0]);
this.constant = constant;
}
/**
* Return this object's constant value.
*
* @param t ignored
*
* @return this object's constant value
*/
public double f(double t)
{
return constant;
}
}
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