Java Linear Interpolate LinearInterp(double n0, double n1, double a)

Description

Performs linear interpolation between two values

License

Open Source License

Parameter

Parameter	Description
n0	first value
n1	second value
a	the alpha value. Should be between 0 and 1.

Return

the interpolated value

Declaration

public static double LinearInterp(double n0, double n1, double a) 

Method Source Code

//package com.java2s;
/* Copyright (C) 2011 Garrett Fleenor
    /* w ww.  ja va  2s.c  om*/
 This library is free software; you can redistribute it and/or modify it
 under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 3.0 of the License, or (at
 your option) any later version.
    
 This library 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 Lesser General Public
 License (COPYING.txt) for more details.
    
 You should have received a copy of the GNU Lesser General Public License
 along with this library; if not, write to the Free Software Foundation,
 Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    
 This is a port of libnoise ( http://libnoise.sourceforge.net/index.html ).  Original implementation by Jason Bevins
    
*/

public class Main {
    /**
     * Performs linear interpolation between two values
     * 
     * @param n0 first value
     * @param n1 second value
     * @param a the alpha value. Should be between 0 and 1.
     * 
     * @return the interpolated value
     */
    public static double LinearInterp(double n0, double n1, double a) {
        return (1.0 - a) * n0 + (a * n1);
    }
}

Related

1. linearInterp(double xa, double ya, double xb, double yb, double x)
2. linearInterp(long firstPoint, long lastPoint, int numValues, long currentPoint)
3. linearInterpolate(double v0, double v1, double t)
4. linearInterpolate(double v1, double v2, double amount)