Java org.apache.commons.math.util MathUtils fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for org.apache.commons.math.util MathUtils.

The text is from its open source code.

Field

double	EPSILON Smallest positive number such that 1 - EPSILON is not numerically equal to 1.
double	TWO_PI 2 π.

Method

long	binomialCoefficient(final int n, final int k) Returns an exact representation of the Binomial Coefficient, "`n choose k`", the number of `k`-element subsets that can be selected from an `n`-element set.
double	binomialCoefficientDouble(final int n, final int k) Returns a `double` representation of the Binomial Coefficient, "`n choose k`", the number of `k`-element subsets that can be selected from an `n`-element set.
int	compareTo(double x, double y, double eps) Compares two numbers given some amount of allowed error.
double	cosh(double x) Returns the hyperbolic cosine of x.
double	distance(double[] p1, double[] p2) Calculates the L₂ (Euclidean) distance between two points.
double	distance(int[] p1, int[] p2) Calculates the L₂ (Euclidean) distance between two points.
boolean	equals(float x, float y) Returns true iff they are strictly equal.
boolean	equals(float[] x, float[] y) Returns true iff both arguments are null or have same dimensions and all their elements are equal as defined by #equals(float,float) .
boolean	equals(double x, double y) Returns true iff both arguments are NaN or neither is NaN and they are equal This method considers that NaN == NaN .
boolean	equals(double[] x, double[] y) Returns true iff both arguments are null or have same dimensions and all their elements are equal as defined by #equals(double,double) .
boolean	equals(float x, float y, float eps) Returns true if both arguments are equal or within the range of allowed error (inclusive).
boolean	equals(float x, float y, int maxUlps) Returns true if both arguments are equal or within the range of allowed error (inclusive).
boolean	equals(double x, double y, double eps) Returns true if both arguments are equal or within the range of allowed error (inclusive).
boolean	equals(double x, double y, int maxUlps) Returns true if both arguments are equal or within the range of allowed error (inclusive).
boolean	equalsIncludingNaN(float x, float y, float eps) Returns true if both arguments are NaN or are equal or within the range of allowed error (inclusive).
boolean	equalsIncludingNaN(float x, float y, int maxUlps) Returns true if both arguments are NaN or if they are equal as defined by #equals(float,float,int) equals(x, y, maxUlps) .
boolean	equalsIncludingNaN(double x, double y, double eps) Returns true if both arguments are NaN or are equal or within the range of allowed error (inclusive).
boolean	equalsIncludingNaN(double x, double y, int maxUlps) Returns true if both arguments are NaN or if they are equal as defined by #equals(double,double,int) equals(x, y, maxUlps .
long	factorial(final int n) Returns n!.
double	factorialDouble(final int n) Returns n!.
double	factorialLog(final int n) Returns the natural logarithm of n!.
int	gcd(final int p, final int q) Gets the greatest common divisor of the absolute value of two numbers, using the "binary gcd" method which avoids division and modulo operations.
long	gcd(final long p, final long q) Gets the greatest common divisor of the absolute value of two numbers, using the "binary gcd" method which avoids division and modulo operations.
int	hash(double value) Returns an integer hash code representing the given double value.
int	hash(double[] value) Returns an integer hash code representing the given double array.
int	lcm(int a, int b) Returns the least common multiple of the absolute value of two numbers, using the formula `lcm(a,b) = (a / gcd(a,b)) * b`.
long	lcm(long a, long b) Returns the least common multiple of the absolute value of two numbers, using the formula `lcm(a,b) = (a / gcd(a,b)) * b`.
double	log(double base, double x) Returns the logarithm for base `b` of `x`.
double	normalizeAngle(double a, double center) Normalize an angle in a 2&pi wide interval around a center value.
int	pow(final int k, int e) Raise an int to an int power.
int	pow(final int k, long e) Raise an int to a long power.
long	pow(final long k, int e) Raise a long to an int power.
long	pow(final long k, long e) Raise a long to a long power.
BigInteger	pow(final BigInteger k, int e) Raise a BigInteger to an int power.
BigInteger	pow(final BigInteger k, long e) Raise a BigInteger to a long power.
BigInteger	pow(final BigInteger k, BigInteger e) Raise a BigInteger to a BigInteger power.
double	round(double x, int scale) Round the given value to the specified number of decimal places.
float	round(float x, int scale) Round the given value to the specified number of decimal places.
double	round(double x, int scale, int roundingMethod) Round the given value to the specified number of decimal places.
float	round(float x, int scale, int roundingMethod) Round the given value to the specified number of decimal places.
byte	sign(final byte x) Returns the sign for byte value `x`.
double	sign(final double x) Returns the sign for double precision `x`.
float	sign(final float x) Returns the sign for float value `x`.
int	sign(final int x) Returns the sign for int value `x`.
long	sign(final long x) Returns the sign for long value `x`.
short	sign(final short x) Returns the sign for short value `x`.