Package adams.data

Class RoundingUtils

java.lang.Object

adams.data.RoundingUtils

public class RoundingUtils
extends Object

Helper class for rounding.

Author:

FracPete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors

Constructor	Description
RoundingUtils()

Method Summary

Modifier and Type	Method	Description
static double	apply(RoundingType type, double value, int decimals)	Apply the specified rounding type.
static float	apply(RoundingType type, float value, int decimals)	Apply the specified rounding type.
static double	ceil(double value, int decimals)	Round up to specific number of digits after decimal point.
static float	ceil(float value, int decimals)	Round up to specific number of digits after decimal point.
protected static String	fixDecimals(String s, int decimals)	Fixes rounding issues, ensuring that only the specified number of decimals get returned.
static double	floor(double value, int decimals)	Round down to specific number of digits after decimal point.
static float	floor(float value, int decimals)	Round down to specific number of digits after decimal point.
static double	rint(double value, int decimals)	Round (to nearest integer) to specific number of digits after decimal point.
static float	rint(float value, int decimals)	Round (to nearest integer) to specific number of digits after decimal point.
static double	round(double value, int decimals)	Round to specific number of digits after decimal point.
static float	round(float value, int decimals)	Round to specific number of digits after decimal point.
static String	toString(RoundingType type, double value, int decimals)	Apply the specified rounding type and generates a string.
static String	toString(RoundingType type, float value, int decimals)	Apply the specified rounding type and generates a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

RoundingUtils

public RoundingUtils()

Method Detail

round

public static double round(double value,
                           int decimals)

Round to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

round

public static float round(float value,
                          int decimals)

Round to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

ceil

public static double ceil(double value,
                          int decimals)

Round up to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

ceil

public static float ceil(float value,
                         int decimals)

Round up to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

floor

public static double floor(double value,
                           int decimals)

Round down to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

floor

public static float floor(float value,
                          int decimals)

Round down to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

rint

public static double rint(double value,
                          int decimals)

Round (to nearest integer) to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

rint

public static float rint(float value,
                         int decimals)

Round (to nearest integer) to specific number of digits after decimal point.

Parameters:

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

apply

public static double apply(RoundingType type,
                           double value,
                           int decimals)

Apply the specified rounding type.

Parameters:

type - the rounding type

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

apply

public static float apply(RoundingType type,
                          float value,
                          int decimals)

Apply the specified rounding type.

Parameters:

type - the rounding type

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value

fixDecimals

protected static String fixDecimals(String s,
                                    int decimals)

Fixes rounding issues, ensuring that only the specified number of decimals get returned.

Parameters:

s - the string to process

decimals - the number of decimals to ensure

Returns:

the processed string

toString

public static String toString(RoundingType type,
                              double value,
                              int decimals)

Apply the specified rounding type and generates a string.

Parameters:

type - the rounding type

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value as string

toString

public static String toString(RoundingType type,
                              float value,
                              int decimals)

Apply the specified rounding type and generates a string.

Parameters:

type - the rounding type

value - the value to round

decimals - the decimals after the decimal point to use

Returns:

the rounded value as string