net.sourceforge.jabm.util
Class MathUtil

java.lang.Object
  net.sourceforge.jabm.util.MathUtil

public class MathUtil
extends java.lang.Object

Miscalleneous mathematical functions.

Field Summary

static double

DEFAULT_ERROR

Constructor Summary

MathUtil()

Method Summary

static boolean	approxEqual(double x, double y)
static boolean	approxEqual(double x, double y, double error) Returns true if the difference between x and y is less than error.
static double	diffSq(double x, double y) Calculate the squared difference of x and y.
static long	factorial(int n) Deprecated.
static double	squared(double x) Calculate the square of x.
static double	sum(double[] series)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ERROR

public static final double DEFAULT_ERROR

See Also:

Constant Field Values

Constructor Detail

MathUtil

public MathUtil()

Method Detail

squared

public static double squared(double x)

Calculate the square of x.

diffSq

public static double diffSq(double x,
                            double y)

Calculate the squared difference of x and y.

approxEqual

public static boolean approxEqual(double x,
                                  double y,
                                  double error)

Returns true if the difference between x and y is less than error.

approxEqual

public static boolean approxEqual(double x,
                                  double y)

sum

public static double sum(double[] series)

factorial

public static long factorial(int n)

Deprecated.

Use cern.jet.random.Arithmetic.factorial instead.