Java mean meanLow(final int a, final int b)

Description

mean Low

License

Open Source License

Return

Mean without overflow, rounded to the lowest value (i.e. mathematical floor((a+b)/2), using floating point division).

Declaration

public static int meanLow(final int a, final int b) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**/*from   w  w w . ja v  a2  s.co m*/
     * @return Mean without overflow, rounded to the lowest value (i.e. mathematical floor((a+b)/2), using floating
     *         point division).
     */
    public static int meanLow(final int a, final int b) {
        return (a & b) + ((a ^ b) >> 1);
    }

    /**
     * @return Mean without overflow, rounded to the lowest value (i.e. mathematical floor((a+b)/2), using floating
     *         point division).
     */
    public static long meanLow(final long a, final long b) {
        return (a & b) + ((a ^ b) >> 1);
    }
}

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