Java lcm lcm(long a, long b)

Description

lcm

License

Open Source License

Declaration

public static long lcm(long a, long b) 

Method Source Code

//package com.java2s;

public class Main {
    public static long lcm(long a, long b) {
        return a * b / gcd(a, b);
    }// w w w  .  ja  va2  s .co  m

    public static int lcm(int a, int b) {
        return (int) lcm((long) a, (long) b);
    }

    public static short lcm(short a, short b) {
        return (short) lcm((long) a, (long) b);
    }

    public static byte lcm(byte a, byte b) {
        return (byte) lcm((long) a, (long) b);
    }

    public static long gcd(long a, long b) {
        long r = a;
        a = Math.max(a, b);
        b = Math.min(r, b);

        r = b;
        while (a % b != 0) {
            r = a % b;
            a = b;
            b = r;
        }
        return r;
    }

    public static int gcd(int a, int b) {
        return (int) gcd((long) a, (long) b);
    }

    public static short gcd(short a, short b) {
        return (short) gcd((long) a, (long) b);
    }

    public static byte gcd(byte a, byte b) {
        return (byte) gcd((long) a, (long) b);
    }

    public static float max(float... fs) {
        float max = 0;
        if (fs.length > 0) {
            max = fs[0];
            for (float f : fs) {
                if (f > max) {
                    max = f;
                }
            }
        }
        return max;
    }

    public static double max(double... ds) {
        double max = 0;
        if (ds.length > 0) {
            max = ds[0];
            for (double d : ds) {
                if (d > max) {
                    max = d;
                }
            }
        }
        return max;
    }
}

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