Package net.objecthunter.exp4j.function

Class Functions

java.lang.Object

net.objecthunter.exp4j.function.Functions

public final class Functions
extends Object

Class representing the builtin functions available for use in expressions

Field Summary

Fields

Modifier and Type	Field	Description
static final Function	ABS	Wrapper for Math.abs(double).
static final Function	ACOS	Wrapper for Math.acos(double).
static final Function	ASIN	Wrapper for Math.asin(double).
static final Function	ATAN	Wrapper for Math.atan(double).
static final Function	CBRT	Wrapper for Math.cbrt(double).
static final Function	CEIL	Wrapper for Math.ceil(double).
static final Function	COS	Wrapper for Math.cos(double).
static final Function	COSH	Wrapper for Math.cosh(double).
static final Function	E	Wrapper for Math.E.
static final Function	EXP	Wrapper for Math.exp(double).
static final Function	EXPM1	Wrapper for Math.expm1(double).
static final Function	FLOOR	Wrapper for Math.floor(double).
static final Function	LOG	Wrapper for Math.log(double).
static final Function	LOG10	Wrapper for Math.log10(double).
static final Function	LOG1P	Wrapper for Math.log1p(double).
static final Function	LOG2	Base 2 Logarithm
static final Function	PI	Wrapper for Math.PI.
static final Function	POW	Wrapper for Math.pow(double, double).
static final Function	SGN	Wrapper for Math.signum(double).
static final Function	SIN	Wrapper for Math.sin(double).
static final Function	SINH	Wrapper for Math.sinh(double).
static final Function	SQRT	Wrapper for Math.sqrt(double).
static final Function	TAN	Wrapper for Math.tan(double).
static final Function	TANH	Wrapper for Math.tanh(double).

Method Summary

Modifier and Type	Method	Description
static Function	getBuiltinFunction(String name)	Get the builtin function for a given name.
static Function[]	getFunctions()	Array with all the available functions

Methods inherited from class java.lang.Object

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

Field Details

SIN

public static final Function SIN

Wrapper for Math.sin(double).

COS

public static final Function COS

Wrapper for Math.cos(double).

TAN

public static final Function TAN

Wrapper for Math.tan(double).

LOG

public static final Function LOG

Wrapper for Math.log(double).

LOG1P

public static final Function LOG1P

Wrapper for Math.log1p(double).

LOG10

public static final Function LOG10

Wrapper for Math.log10(double).

LOG2

public static final Function LOG2

Base 2 Logarithm

ABS

public static final Function ABS

Wrapper for Math.abs(double).

ACOS

public static final Function ACOS

Wrapper for Math.acos(double).

ASIN

public static final Function ASIN

Wrapper for Math.asin(double).

ATAN

public static final Function ATAN

Wrapper for Math.atan(double).

CBRT

public static final Function CBRT

Wrapper for Math.cbrt(double).

CEIL

public static final Function CEIL

Wrapper for Math.ceil(double).

FLOOR

public static final Function FLOOR

Wrapper for Math.floor(double).

SINH

public static final Function SINH

Wrapper for Math.sinh(double).

SQRT

public static final Function SQRT

Wrapper for Math.sqrt(double).

TANH

public static final Function TANH

Wrapper for Math.tanh(double).

COSH

public static final Function COSH

Wrapper for Math.cosh(double).

POW

public static final Function POW

Wrapper for Math.pow(double, double).

EXP

public static final Function EXP

Wrapper for Math.exp(double).

EXPM1

public static final Function EXPM1

Wrapper for Math.expm1(double).

SGN

public static final Function SGN

Wrapper for Math.signum(double).

PI

public static final Function PI

Wrapper for Math.PI.

E

public static final Function E

Wrapper for Math.E.

Method Details

getFunctions

public static Function[] getFunctions()

Array with all the available functions

Returns:

Function array

See Also:

• getBuiltinFunction(String)
• SIN
• COS
• TAN
• ASIN
• ACOS
• ATAN
• SINH
• COSH
• TANH
• ABS
• LOG
• LOG10
• LOG2
• LOG1P
• CEIL
• FLOOR
• SQRT
• CBRT
• POW
• EXP
• EXPM1
• SGN
• PI
• E

getBuiltinFunction

public static Function getBuiltinFunction(String name)

Get the builtin function for a given name.

Parameters:

name - the name of the function

Returns:

a Function instance

See Also:

• getFunctions()
• SIN
• COS
• TAN
• ASIN
• ACOS
• ATAN
• SINH
• COSH
• TANH
• ABS
• LOG
• LOG10
• LOG2
• LOG1P
• CEIL
• FLOOR
• SQRT
• CBRT
• POW
• EXP
• EXPM1
• SGN
• PI
• E