Java Array Length Get length(long[] v)

Description

Returns the length of a vector

License

Open Source License

Parameter

Parameter	Description
v	the vector (Long)

Return

the length of the vector (Double)

Declaration

public static double length(long[] v) 

Method Source Code

//package com.java2s;

public class Main {
    /**/*from   w w w .java  2  s .c o m*/
     * Returns the length of a vector
     *
     * @param v the vector (Long)
     * @return the length of the vector (Double)
     */
    public static double length(long[] v) {
        return Math.sqrt(v[0] * v[0] + v[1] * v[1]);
    }

    /**
     * Returns the length of a vector
     *
     * @param v the vector (Float)
     * @return the length of the vector (Float)
     */
    public static float length(float[] v) {
        return (float) Math.sqrt(v[0] * v[0] + v[1] * v[1]);
    }

    /**
     * Returns the length of a vector
     *
     * @param v the vector (Integer)
     * @return the length of the vector (Float)
     */
    public static float length(int[] v) {
        return (float) Math.sqrt(v[0] * v[0] + v[1] * v[1]);
    }
}

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