Class DoubleUtil

Defines a helper class for work with double values

Inheritance

java.lang.Object

DoubleUtil

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Namespace:

Assembly: .dll

Syntax

public class DoubleUtil

Constructors

DoubleUtil()

Declaration

public DoubleUtil()

Fields

EPSILON

Declaration

public static final double EPSILON

Field Value

Type	Description
double

Methods

isDivisibleBy(double value, double divisor)

Checks whether the specified value is divisible by divisor

Declaration

public static boolean isDivisibleBy(double value, double divisor)

Parameters

Type	Name	Description
double	value	The value to check
double	divisor	The divisor value

Returns

Type	Description
boolean	True if value is divisible by divisor

isPowerOf(double value, double power, double logBase)

Checks whether the value is a power of some specified power value with specified log base

Declaration

public static boolean isPowerOf(double value, double power, double logBase)

Parameters

Type	Name	Description
double	value	The value to check
double	power	The power value
double	logBase	The log base

Returns

Type	Description
boolean	True is value has power of specified power value

isRealNumber(double number)

Checks whether the specified value is a real number

Declaration

public static boolean isRealNumber(double number)

Parameters

Type	Name	Description
double	number	The value to check

Returns

Type	Description
boolean	True if value is a real number

isZero(double number)

Checks whether the specified value is zero

Declaration

public static boolean isZero(double number)

Parameters

Type	Name	Description
double	number	The value to check

Returns

Type	Description
boolean	True if value is zero

log(double value, double base)

Computes log value with specified log base

Declaration

public static double log(double value, double base)

Parameters

Type	Name	Description
double	value	The value
double	base	The log base

Returns

Type	Description
double	The log result

round(double value, int decimals)

Rounds value to nearest value considering specified amount of decimal places

Declaration

public static double round(double value, int decimals)

Parameters

Type	Name	Description
double	value	The value to round
int	decimals	The amount of decimal places to round

Returns

Type	Description
double	The rounded value

roundDown(double value, double nearest)

Rounds down specified value to value which is divisible by nearest value

Declaration

public static double roundDown(double value, double nearest)

Parameters

Type	Name	Description
double	value	The value to round down
double	nearest	The nearest point divisor

Returns

Type	Description
double	The rounded value

roundDownPower(double value, double power, double logBase)

Declaration

public static double roundDownPower(double value, double power, double logBase)

Parameters

Type	Name	Description
double	value
double	power
double	logBase

Returns

Type	Description
double

roundOff(double value)

Rounds value to nearest integer value

Declaration

public static double roundOff(double value)

Parameters

Type	Name	Description
double	value	The value to round

Returns

Type	Description
double	The rounded value

roundOff(double value, int decimals, boolean toNearest)

Rounds value to nearest value considering specified amount of decimal places

Declaration

public static double roundOff(double value, int decimals, boolean toNearest)

Parameters

Type	Name	Description
double	value	The value to round
int	decimals	The amount of decimal places to round
boolean	toNearest	value indicating whether we need to round to nearest integer value

Returns

Type	Description
double	The rounded value

roundUp(double value, double nearest)

Rounds up specified value to value which is divisible by nearest value

Declaration

public static double roundUp(double value, double nearest)

Parameters

Type	Name	Description
double	value	The value to round up
double	nearest	The nearest point divisor

Returns

Type	Description
double	The rounded value

roundUpPower(double value, double power, double logBase)

Declaration

public static double roundUpPower(double value, double power, double logBase)

Parameters

Type	Name	Description
double	value
double	power
double	logBase

Returns

Type	Description
double