?? sqrt.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.
*/
/**
* Wrap the Math.sqrt() function around a given source.
*
* @author Steven J. Metsker
*/
public class Sqrt extends Function
{
/**
* Construct a square root function that decorates the
* provided source function.
*
* @param Function the source function that this function
* wraps
*/
public Sqrt(Function f)
{
super(f);
}
/**
* Return Math.sqrt() applied to the source function's value
* at time t.
*
* @param t the time function that goes 0 to 1 and that
* other functions use as a parameter
*
* @return Math.sqrt() applied to the source function's value
* at time t.
*/
public double f(double t)
{
return Math.sqrt(source[0].f(t));
}
}
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