MathFunctions (Palladio Core)

java.lang.Object
- org.vedantatree.expressionoasis.extensions.MathFunctions

```
public class MathFunctions
extends Object
```
This class provides the math function for experssion evaluator

Version:

2.2 Changed to use nullable types., 2.3

Author:

Parmod Kamboj, Mohit Gupta, Kris Marwood

Constructor Summary

Constructors
Constructor and Description

MathFunctions(ExpressionContext expressionContext)
Default constructor

Constructors
Constructor and Description
`MathFunctions(ExpressionContext expressionContext)` Default constructor

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`static Double`	`abs(Double value)` Returns the absolute value
`static Long`	`abs(Long value)`
`static Double`	`acos(Number value)` Returns the trigonometric arc cosine of an angle
`static Double`	`asin(Number value)` Returns the trigonometric arc sine of an angle
`static Double`	`atan(Number value)` Returns the trigonometric arc tangent of an angle
`static Double`	`atan2(Number y, Number x)` Converts rectangular coordinates (`x` , `y`) to polar (r, theta ).
`static Double`	`ceil(Number value)` Returns the smallest (closest to negative infinity) `double` value that is greater than or equal to the argument and is equal to a mathematical integer.
`static Double`	`cos(Number value)` Returns the trigonometric cosine of an angle
`static Double`	`exp(Number value)` Returns Euler's number e raised to the power of a `double` value.
`static Double`	`floor(Number value)` Returns the largest (closest to positive infinity) `double` value that is less than or equal to the argument and is equal to a mathematical integer.
`static Double`	`log(Number value)` Returns the natural logarithm (base e ) of a `double` value.
`static Double`	`max(Double value1, Double value2)` Returns the maximum of two numbers.
`static Long`	`max(Long value1, Long value2)` Returns the maximum of two numbers.
`static Double`	`min(Double value1, Double value2)` Returns the minimum of two numbers.
`static Long`	`min(Long value1, Long value2)` Returns the minimum of two numbers.
`static Double`	`pow(Number base, Number exponent)` Computes the power
`static Double`	`random()` Returns a `double` value with a positive sign, greater than or equal to `0.0` and less than `1.0`.
`static Double`	`rint(Double value)` Returns the `double` value that is closest in value to the argument and is equal to a mathematical integer.
`static Long`	`round(Double value)` Returns the closest `int` to the argument.
`static Double`	`sin(Number value)` Returns the trigonometric sine of an angle
`static Double`	`sqrt(Number value)` Returns the correctly rounded positive square root of a `double` value.
`Double`	`sum(Double[] vals)`
`static Double`	`tan(Number value)` Returns the trigonometric tangent of an angle

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MathFunctions
```
public MathFunctions(ExpressionContext expressionContext)
```
    Default constructor
- Method Detail
  - abs
```
public static Double abs(Double value)
```
    Returns the absolute value
    
    Parameters:
    
    value -
    
    Returns:
  - abs
```
public static Long abs(Long value)
```
  - min
```
public static Double min(Double value1,
                         Double value2)
```
    Returns the minimum of two numbers.
    
    Parameters:
    
    value1 -
    
    value2 -
    
    Returns:
  - min
```
public static Long min(Long value1,
                       Long value2)
```
    Returns the minimum of two numbers.
    
    Parameters:
    
    value1 -
    
    value2 -
    
    Returns:
  - max
```
public static Double max(Double value1,
                         Double value2)
```
    Returns the maximum of two numbers.
    
    Parameters:
    
    value1 -
    
    value2 -
    
    Returns:
  - max
```
public static Long max(Long value1,
                       Long value2)
```
    Returns the maximum of two numbers.
    
    Parameters:
    
    value1 -
    
    value2 -
    
    Returns:
  - sin
```
public static Double sin(Number value)
```
    Returns the trigonometric sine of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - cos
```
public static Double cos(Number value)
```
    Returns the trigonometric cosine of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - tan
```
public static Double tan(Number value)
```
    Returns the trigonometric tangent of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - asin
```
public static Double asin(Number value)
```
    Returns the trigonometric arc sine of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - acos
```
public static Double acos(Number value)
```
    Returns the trigonometric arc cosine of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - atan
```
public static Double atan(Number value)
```
    Returns the trigonometric arc tangent of an angle
    
    Parameters:
    
    value -
    
    Returns:
  - atan2
```
public static Double atan2(Number y,
                           Number x)
```
    Converts rectangular coordinates (x , y) to polar (r, theta ).
    
    Parameters:
    
    y -
    
    x -
    
    Returns:
  - exp
```
public static Double exp(Number value)
```
    Returns Euler's number e raised to the power of a double value. Special cases:
    
    Parameters:
    
    value - the exponent to raise e to.
    
    Returns:
  - pow
```
public static Double pow(Number base,
                         Number exponent)
```
    Computes the power
    
    Parameters:
    
    base -
    
    exponent -
    
    Returns:
  - log
```
public static Double log(Number value)
```
    Returns the natural logarithm (base e ) of a double value.
    
    Parameters:
    
    value - a value
    
    Returns:
    
    the value ln a, the natural logarithm of a.
  - sqrt
```
public static Double sqrt(Number value)
```
    Returns the correctly rounded positive square root of a double value.
    
    Parameters:
    
    value - a value.
    
    Returns:
    
    the positive square root of a. If the argument is NaN or less than zero, the result is NaN.
  - ceil
```
public static Double ceil(Number value)
```
    Returns the smallest (closest to negative infinity) double value that is greater than or equal to the argument and is equal to a mathematical integer.
    
    Parameters:
    
    a - a value.
    
    Returns:
  - floor
```
public static Double floor(Number value)
```
    Returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer.
    
    Parameters:
    
    value - a value.
    
    Returns:
  - rint
```
public static Double rint(Double value)
```
    Returns the double value that is closest in value to the argument and is equal to a mathematical integer. If two double values that are mathematical integers are equally close, the result is the integer value that is even.
    
    Parameters:
    
    value - a double value.
    
    Returns:
  - round
```
public static Long round(Double value)
```
    Returns the closest int to the argument. The result is rounded to an integer by adding 1/2, taking the floor of the result, and casting the result to type int. In other words, the result is equal to the value of the expression:
```
 (int) Math.floor( a + 0.5f )
 
```
    Parameters:
    
    a - a floating-point value to be rounded to an integer.
    
    Returns:
    
    the value of the argument rounded to the nearest int value.
  - random
```
public static Double random()
```
    Returns a double value with a positive sign, greater than or equal to 0.0 and less than 1.0. Returned values are chosen pseudorandomly with (approximately) uniform distribution from that range.
    
    Returns:
    
    a pseudorandom double greater than or equal to 0.0 and less than 1.0.
  - sum
```
public Double sum(Double[] vals)
```

Class MathFunctions

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

MathFunctions

Method Detail

abs

abs

min

min

max

max

sin

cos

tan

asin

acos

atan

atan2

exp

pow

log

sqrt

ceil

floor

rint

round

random

sum