com.softsynth.jmsl.util
Class JMSLMath

java.lang.Object
  com.softsynth.jmsl.util.JMSLMath

public class JMSLMath
extends java.lang.Object

Some static methods for logarithms and other misc useful math

Author:

Nick Didkovsky, email: didkovn@mail.rockefeller.edu, (c) 2004 Nick Didkovsky, all rights reserved.

Field Summary

static double

ln2 precalculated for logBase2 operation

Constructor Summary

JMSLMath()

Method Summary

static int	highestPowerOfTwoLessThan(int n)
static double	log(double base, double n)
static double	logBase2(double n)
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

ln2

public static final double ln2

precalculated for logBase2 operation

Constructor Detail

JMSLMath

public JMSLMath()

Method Detail

logBase2

public static double logBase2(double n)

Returns:

log base 2 of argument

log

public static double log(double base,
                         double n)

Returns:

log base n of m (general algorithm: logm(n) = ln(n)/ln(base)

highestPowerOfTwoLessThan

public static int highestPowerOfTwoLessThan(int n)

main

public static void main(java.lang.String[] args)