Java interpolate interpolate(double x1, double x2, float zeroToOne)

Description

interpolate

License

Open Source License

Parameter

Parameter	Description
x1	a parameter
x2	a parameter
zeroToOne	a parameter

Return

x + zeroToOne * (x2 - x)

Declaration

public static double interpolate(double x1, double x2, float zeroToOne) 

Method Source Code

//package com.java2s;
/* /*from w w w.j a v  a 2 s . c om*/
    
 Created on Mar 4, 2005
    
 The Bungee View applet lets you search, browse, and data-mine an image collection.  
 Copyright (C) 2006  Mark Derthick
    
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.  See gpl.html.
    
 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 General Public License for more details.
    
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
    
 You may also contact the author at 
 mad@cs.cmu.edu, 
 or at
 Mark Derthick
 Carnegie-Mellon University
 Human-Computer Interaction Institute
 Pittsburgh, PA 15213
    
 */

public class Main {
    /**
     * @param x1
     * @param x2
     * @param zeroToOne
     * @return x + zeroToOne * (x2 - x)
     */
    public static double interpolate(double x1, double x2, float zeroToOne) {
        if (zeroToOne == 1.0f)
            // avoid roundoff errors
            return x2;
        // print(" "+x1+" "+x2+" "+zeroToOne+" "+x1 + zeroToOne * (x2 - x1));
        return x1 + zeroToOne * (x2 - x1);
    }

    /**
     * @param x1
     * @param x2
     * @param zeroToOne
     * @return x + zeroToOne * (x2 - x)
     */
    public static float interpolate(float x1, float x2, float zeroToOne) {
        if (zeroToOne == 1.0f)
            // avoid roundoff errors
            return x2;
        return x1 + zeroToOne * (x2 - x1);
    }
}

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