java.lang.Object
- net.objecthunter.exp4j.function.Functions

```
public final class Functions
extends java.lang.Object
```
Class representing the builtin functions available for use in expressions

Field Summary

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

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Function`	`getBuiltinFunction(java.lang.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 Detail
  - 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 Detail
  - 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(java.lang.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

Class Functions

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

SIN

COS

TAN

LOG

LOG1P

LOG10

LOG2

ABS

ACOS

ASIN

ATAN

CBRT

CEIL

FLOOR

SINH

SQRT

TANH

COSH

POW

EXP

EXPM1

SGN

PI

E

Method Detail

getFunctions

getBuiltinFunction