Java Array Subtract subtract(final double[] a, final double[] b, final double[] c)

Description

set c = a - b.

License

Open Source License

Parameter

Parameter	Description
a	a parameter
b	a parameter
c	a parameter

Declaration

public static void subtract(final double[] a, final double[] b,
        final double[] c) 

Method Source Code

//package com.java2s;

public class Main {
    /**/*from   www  . j  av a  2 s.  c  o  m*/
     * set c = a - b. Dimensions of a, b, and c must match. In place subtraction
     * (c==a) is permitted.
     * 
     * @param a
     * @param b
     * @param c
     */
    public static void subtract(final double[] a, final double[] b,
            final double[] c) {
        assert (rows(a) == rows(b)) && (rows(a) == rows(c));

        final int rows = rows(a);

        for (int i = 0; i < rows; ++i)
            c[i] = a[i] - b[i];
    }

    public static int rows(final double[] a) {
        return a.length;
    }

    public static int rows(final double[][] A) {
        return A.length;
    }
}

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