119 lines
3.1 KiB
Java
119 lines
3.1 KiB
Java
//******************************************************************************
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//
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// File: AggregateXYSeries.java
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// Package: edu.rit.numeric
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// Unit: Class edu.rit.numeric.AggregateXYSeries
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//
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// This Java source file is copyright (C) 2013 by Alan Kaminsky. All rights
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// reserved. For further information, contact the author, Alan Kaminsky, at
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// ark@cs.rit.edu.
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//
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// This Java source file is part of the Parallel Java 2 Library ("PJ2"). PJ2 is
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// free software; you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation;
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// either version 3 of the License, or (at your option) any later version.
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//
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// PJ2 is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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//
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// A copy of the GNU General Public License is provided in the file gpl.txt. You
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// may also obtain a copy of the GNU General Public License on the World Wide
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// Web at http://www.gnu.org/licenses/gpl.html.
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//
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//******************************************************************************
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package edu.rit.numeric;
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/**
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* Class AggregateXYSeries provides an {@linkplain XYSeries} formed by
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* aggregating two {@linkplain Series} together.
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*
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* @author Alan Kaminsky
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* @version 11-Jun-2007
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*/
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public class AggregateXYSeries
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extends XYSeries
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{
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// Hidden data members.
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private Series myXSeries;
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private Series myYSeries;
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// Exported constructors.
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/**
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* Construct a new aggregate XY series. It is assumed that the <TT>x</TT>
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* and <TT>y</TT> series are the same length.
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* <P>
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* <I>Note:</I> This series object stores <I>references</I> to <TT>x</TT>
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* and <TT>y</TT>. Changing the contents of <TT>x</TT> or <TT>y</TT> will
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* change the contents of this series.
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*
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* @param x Series of X values.
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* @param y Series of Y values.
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*
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* @exception NullPointerException
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* (unchecked exception) Thrown if <TT>x</TT> or <TT>y</TT> is null.
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*/
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public AggregateXYSeries
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(Series x,
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Series y)
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{
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if (x == null || y == null)
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{
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throw new NullPointerException();
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}
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myXSeries = x;
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myYSeries = y;
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}
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// Exported operations.
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/**
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* Returns the number of values in this series.
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*
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* @return Length.
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*/
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public int length()
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{
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return myXSeries.length();
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}
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/**
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* Returns the given X value in this series.
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*
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* @param i Index.
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*
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* @return The X value in this series at index <TT>i</TT>.
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*
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* @exception ArrayIndexOutOfBoundsException
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* (unchecked exception) Thrown if <TT>i</TT> is not in the range
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* <TT>0</TT> .. <TT>length()-1</TT>.
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*/
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public double x
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(int i)
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{
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return myXSeries.x (i);
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}
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/**
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* Returns the given Y value in this series.
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*
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* @param i Index.
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*
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* @return The Y value in this series at index <TT>i</TT>.
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*
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* @exception ArrayIndexOutOfBoundsException
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* (unchecked exception) Thrown if <TT>i</TT> is not in the range
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* <TT>0</TT> .. <TT>length()-1</TT>.
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*/
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public double y
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(int i)
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{
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return myYSeries.x (i);
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}
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}
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