Module org.jgrapht.core
Package org.jgrapht.util

Class MathUtil

java.lang.Object
org.jgrapht.util.MathUtil
public class MathUtil
extends java.lang.Object
Math Utilities.
Author:
Assaf Lehr

  • Constructor Summary

    Constructors 
    Constructor Description
    MathUtil()  

  • Method Summary

    Modifier and Type Method Description
    static long factorial​(int n)
    Calculate the factorial of $n$.
    static int log2​(int n)
    Calculate the floor of the binary logarithm of $n$.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

  • Method Details

    • factorial

      public static long factorial​(int n)
      Calculate the factorial of $n$.
      Parameters:
      n - the input number
      Returns:
      the factorial

    • log2

      public static int log2​(int n)
      Calculate the floor of the binary logarithm of $n$.
      Parameters:
      n - the input number
      Returns:
      the binary logarithm