dk.heick.properties.types.utils

Class MathUtils

java.lang.Object

dk.heick.properties.types.utils.MathUtils

public class MathUtils
extends Object

Different Math utilities methods.

Since:

1.8

Author:

Frederik Heick

Method Summary

Modifier and Type	Method and Description
static double	fact(double n) The factorial function (symbol: !) means to multiply a series of descending natural numbers.
static double	fact(int n) The factorial function (symbol: !) means to multiply a series of descending natural numbers.
static double	max(double... values) Finds the maximum value in the array.
static float	max(float... values) Finds the maximum value in the array.
static int	max(int... values) Finds the maximum value in the array.
static double	min(double... values) Finds the minimum value in the array.
static float	min(float... values) Finds the minimum value in the array.
static int	min(int... values) Finds the minimum value in the array.
static Double	round(Double d, int precision) Rounds a Double value to a certain precision.

Methods inherited from class java.lang.Object

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

Method Detail

round

public static Double round(Double d,
                           int precision)

Rounds a Double value to a certain precision.

Parameters:

d - the double value.

precision - the precision

Returns:

the double with the new precision.

max

public static int max(int... values)
               throws IllegalArgumentException

Finds the maximum value in the array.

Parameters:

values - an array of int.

Returns:

the maximum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

min

public static int min(int... values)
               throws IllegalArgumentException

Finds the minimum value in the array.

Parameters:

values - an array of int.

Returns:

the minimum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

max

public static double max(double... values)
                  throws IllegalArgumentException

Finds the maximum value in the array.

Parameters:

values - an array of double.

Returns:

the maximum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

min

public static double min(double... values)
                  throws IllegalArgumentException

Finds the minimum value in the array.

Parameters:

values - an array of double.

Returns:

the minimum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

max

public static float max(float... values)
                 throws IllegalArgumentException

Finds the maximum value in the array.

Parameters:

values - an array of float.

Returns:

the maximum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

min

public static float min(float... values)
                 throws IllegalArgumentException

Finds the minimum value in the array.

Parameters:

values - an array of float.

Returns:

the minimum value in the array.

Throws:

IllegalArgumentException - if the array is null or empty.

fact

public static double fact(double n)

The factorial function (symbol: !) means to multiply a series of descending natural numbers. Until it reaches 0, in which case it returns 1.

Parameters:

n - the fact of N, the int value of the double.

Returns:

the multiplication all all number from 1 to N, if N is less or equal to 0, than 1 is returned.

fact

public static double fact(int n)

The factorial function (symbol: !) means to multiply a series of descending natural numbers. Until it reaches 0, in which case it returns 1.

Parameters:

n - n the fact of N,

Returns:

the multiplication all all number from 1 to N, if N is less or equal to 0, than 1 is returned.