org.decimal4j.scale

Enum Scale4f

java.lang.Object

java.lang.Enum<Scale4f>

org.decimal4j.scale.Scale4f

All Implemented Interfaces:

Serializable, Comparable<Scale4f>, ScaleMetrics

public enum Scale4f
extends Enum<Scale4f>
implements ScaleMetrics

Scale class for decimals with scale 4 and scale factor 10000.

Enum Constant Summary

Enum Constants

Enum Constant and Description
INSTANCE The singleton instance for scale 4.

Field Summary

Fields

Modifier and Type	Field and Description
static int	SCALE The scale value 4.
static long	SCALE_FACTOR The scale factor 104.

Method Summary

Methods

Modifier and Type	Method and Description
long	divideByScaleFactor(long dividend) Returns dividend/scaleFactor.
long	divideUnsignedByScaleFactor(long unsignedDividend) Returns unsignedDividend/scaleFactor using unsigned division.
DecimalArithmetic	getArithmetic(RoundingMode roundingMode) Returns the arithmetic for this scale that performs all operations with the specified roundingMode and without overflow checks.
DecimalArithmetic	getArithmetic(TruncationPolicy truncationPolicy) Returns the arithmetic for this scale that performs all operations with the specified truncationPolicy.
DecimalArithmetic	getCheckedArithmetic(RoundingMode roundingMode) Returns the arithmetic for this scale that performs all operations with the specified roundingMode and with overflow checks.
DecimalArithmetic	getDefaultArithmetic() Returns the default arithmetic for this scale performing unchecked operations with rounding mode HALF_UP.
DecimalArithmetic	getDefaultCheckedArithmetic() Returns the default arithmetic for this scale performing checked operations with rounding mode HALF_UP.
long	getMaxIntegerValue() Returns the largest integer value that can be represented using this scale.
long	getMinIntegerValue() Returns the smallest integer value that can be represented using this scale.
DecimalArithmetic	getRoundingDownArithmetic() Returns the arithmetic for this scale performing unchecked operations with rounding mode DOWN.
DecimalArithmetic	getRoundingFloorArithmetic() Returns the arithmetic for this scale performing unchecked operations with rounding mode FLOOR.
DecimalArithmetic	getRoundingHalfEvenArithmetic() Returns the arithmetic for this scale performing unchecked operations with rounding mode HALF_EVEN.
DecimalArithmetic	getRoundingUnnecessaryArithmetic() Returns the arithmetic for this scale performing unchecked operations with rounding mode UNNECESSARY.
int	getScale() Returns the scale, the number of fraction digits to the right of the decimal point of a Decimal value.
long	getScaleFactor() Returns the scale factor, which is 10f where f stands for the scale.
BigDecimal	getScaleFactorAsBigDecimal() Returns the scale factor as a BigDecimal value with scale zero.
BigInteger	getScaleFactorAsBigInteger() Returns the scale factor as a BigInteger value.
int	getScaleFactorNumberOfLeadingZeros() Returns the number of leading zeros of the scale factor
boolean	isValidIntegerValue(long value) Returns true if the specified integer value can be represented using this scale.
long	moduloByScaleFactor(long dividend) Returns dividend % scaleFactor also known as reminder.
long	mulhiByScaleFactor(int factor) Returns factor*high32(scaleFactor) where high32 refers to the high 32 bits of the factor.
long	mulloByScaleFactor(int factor) Returns factor*low32(scaleFactor) where low32 refers to the low 32 bits of the factor.
long	multiplyByScaleFactor(long factor) Returns factor*scaleFactor.
long	multiplyByScaleFactorExact(long factor) Returns factor*scaleFactor, checking for lost information.
String	toString()
String	toString(long value) Returns the string representation of the specified value applying this metric's scale.
static Scale4f	valueOf(String name) Returns the enum constant of this type with the specified name.
static Scale4f[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INSTANCE

public static final Scale4f INSTANCE

The singleton instance for scale 4.

Field Detail

SCALE

public static final int SCALE

The scale value 4.

See Also:

Constant Field Values

SCALE_FACTOR

public static final long SCALE_FACTOR

The scale factor 104.

See Also:

Constant Field Values

Method Detail

values

public static Scale4f[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Scale4f c : Scale4f.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Scale4f valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getScale

public final int getScale()

Description copied from interface: ScaleMetrics

Returns the scale, the number of fraction digits to the right of the decimal point of a Decimal value.

Specified by:

getScale in interface ScaleMetrics

Returns:

the scale also known as number of fraction digits

getScaleFactor

public final long getScaleFactor()

Description copied from interface: ScaleMetrics

Returns the scale factor, which is 10^f where f stands for the scale.

Specified by:

getScaleFactor in interface ScaleMetrics

Returns:

the scale factor

getScaleFactorNumberOfLeadingZeros

public final int getScaleFactorNumberOfLeadingZeros()

Description copied from interface: ScaleMetrics

Returns the number of leading zeros of the scale factor

Specified by:

getScaleFactorNumberOfLeadingZeros in interface ScaleMetrics

Returns:

Long.numberOfLeadingZeros(long) applied to the scale factor

multiplyByScaleFactor

public final long multiplyByScaleFactor(long factor)

Description copied from interface: ScaleMetrics

Returns factor*scaleFactor.

Specified by:

multiplyByScaleFactor in interface ScaleMetrics

Parameters:

factor - the factor

Returns:

factor*scaleFactor

getScaleFactorAsBigInteger

public final BigInteger getScaleFactorAsBigInteger()

Description copied from interface: ScaleMetrics

Returns the scale factor as a BigInteger value.

Specified by:

getScaleFactorAsBigInteger in interface ScaleMetrics

Returns:

the scale factor as big integer

getScaleFactorAsBigDecimal

public final BigDecimal getScaleFactorAsBigDecimal()

Description copied from interface: ScaleMetrics

Returns the scale factor as a BigDecimal value with scale zero.

Specified by:

getScaleFactorAsBigDecimal in interface ScaleMetrics

Returns:

the scale factor as big decimal with scale zero.

getMaxIntegerValue

public final long getMaxIntegerValue()

Description copied from interface: ScaleMetrics

Returns the largest integer value that can be represented using this scale.

Specified by:

getMaxIntegerValue in interface ScaleMetrics

Returns:

Long.MAX_VALUE / scaleFactor

getMinIntegerValue

public final long getMinIntegerValue()

Description copied from interface: ScaleMetrics

Returns the smallest integer value that can be represented using this scale.

Specified by:

getMinIntegerValue in interface ScaleMetrics

Returns:

Long.MIN_VALUE / scaleFactor

isValidIntegerValue

public final boolean isValidIntegerValue(long value)

Description copied from interface: ScaleMetrics

Returns true if the specified integer value can be represented using this scale.

Specified by:

isValidIntegerValue in interface ScaleMetrics

Parameters:

value - the value to test

Returns:

true if (Long.MIN_VALUE / scaleFactor) <= value <= (Long.MAX_VALUE / scaleFactor)

multiplyByScaleFactorExact

public final long multiplyByScaleFactorExact(long factor)

Description copied from interface: ScaleMetrics

Returns factor*scaleFactor, checking for lost information. If the result is out of the range of the long type, then an ArithmeticException is thrown.

Specified by:

multiplyByScaleFactorExact in interface ScaleMetrics

Parameters:

factor - the factor

Returns:

factor*scaleFactor

mulloByScaleFactor

public final long mulloByScaleFactor(int factor)

Description copied from interface: ScaleMetrics

Returns factor*low32(scaleFactor) where low32 refers to the low 32 bits of the factor.

Specified by:

mulloByScaleFactor in interface ScaleMetrics

Parameters:

factor - the factor

Returns:

factor*low32(scaleFactor)

mulhiByScaleFactor

public final long mulhiByScaleFactor(int factor)

Description copied from interface: ScaleMetrics

Returns factor*high32(scaleFactor) where high32 refers to the high 32 bits of the factor.

Specified by:

mulhiByScaleFactor in interface ScaleMetrics

Parameters:

factor - the factor

Returns:

factor*high32(scaleFactor)

divideByScaleFactor

public final long divideByScaleFactor(long dividend)

Description copied from interface: ScaleMetrics

Returns dividend/scaleFactor.

Specified by:

divideByScaleFactor in interface ScaleMetrics

Parameters:

dividend - the dividend

Returns:

dividend/scaleFactor

divideUnsignedByScaleFactor

public final long divideUnsignedByScaleFactor(long unsignedDividend)

Description copied from interface: ScaleMetrics

Returns unsignedDividend/scaleFactor using unsigned division.

Specified by:

divideUnsignedByScaleFactor in interface ScaleMetrics

Parameters:

unsignedDividend - the unsigned dividend

Returns:

unsignedDividend/scaleFactor

moduloByScaleFactor

public final long moduloByScaleFactor(long dividend)

Description copied from interface: ScaleMetrics

Returns dividend % scaleFactor also known as reminder.

Specified by:

moduloByScaleFactor in interface ScaleMetrics

Parameters:

dividend - the dividend

Returns:

dividend % scaleFactor

toString

public final String toString(long value)

Description copied from interface: ScaleMetrics

Returns the string representation of the specified value applying this metric's scale.

Specified by:

toString in interface ScaleMetrics

Parameters:

value - the unscaled decimal to convert to a string

Returns:

a fixed-point string representation of the specified value

See Also:

DecimalArithmetic.toString(long)

getDefaultArithmetic

public final DecimalArithmetic getDefaultArithmetic()

Description copied from interface: ScaleMetrics

Returns the default arithmetic for this scale performing unchecked operations with rounding mode HALF_UP.

Specified by:

getDefaultArithmetic in interface ScaleMetrics

Returns:

default arithmetic for this scale rounding HALF_UP without overflow checks

getDefaultCheckedArithmetic

public final DecimalArithmetic getDefaultCheckedArithmetic()

Description copied from interface: ScaleMetrics

Returns the default arithmetic for this scale performing checked operations with rounding mode HALF_UP.

Specified by:

getDefaultCheckedArithmetic in interface ScaleMetrics

Returns:

default arithmetic for this scale rounding HALF_UP with overflow checks

getRoundingDownArithmetic

public final DecimalArithmetic getRoundingDownArithmetic()

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale performing unchecked operations with rounding mode DOWN.

Specified by:

getRoundingDownArithmetic in interface ScaleMetrics

Returns:

arithmetic for this scale rounding DOWN without overflow checks

getRoundingFloorArithmetic

public final DecimalArithmetic getRoundingFloorArithmetic()

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale performing unchecked operations with rounding mode FLOOR.

Specified by:

getRoundingFloorArithmetic in interface ScaleMetrics

Returns:

arithmetic for this scale rounding FLOOR without overflow checks

getRoundingHalfEvenArithmetic

public final DecimalArithmetic getRoundingHalfEvenArithmetic()

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale performing unchecked operations with rounding mode HALF_EVEN.

Specified by:

getRoundingHalfEvenArithmetic in interface ScaleMetrics

Returns:

arithmetic for this scale rounding HALF_EVEN without overflow checks

getRoundingUnnecessaryArithmetic

public final DecimalArithmetic getRoundingUnnecessaryArithmetic()

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale performing unchecked operations with rounding mode UNNECESSARY.

Specified by:

getRoundingUnnecessaryArithmetic in interface ScaleMetrics

Returns:

default arithmetic for this scale for rounding UNNECESSARY mode without overflow checks

getArithmetic

public final DecimalArithmetic getArithmetic(RoundingMode roundingMode)

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale that performs all operations with the specified roundingMode and without overflow checks.

Specified by:

getArithmetic in interface ScaleMetrics

Parameters:

roundingMode - the rounding mode used by the returned arithmetic

Returns:

arithmetic for this scale with specified rounding mode and without overflow checks

getCheckedArithmetic

public final DecimalArithmetic getCheckedArithmetic(RoundingMode roundingMode)

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale that performs all operations with the specified roundingMode and with overflow checks.

Specified by:

getCheckedArithmetic in interface ScaleMetrics

Parameters:

roundingMode - the rounding mode used by the returned arithmetic

Returns:

arithmetic for this scale with specified rounding mode and with overflow checks

getArithmetic

public final DecimalArithmetic getArithmetic(TruncationPolicy truncationPolicy)

Description copied from interface: ScaleMetrics

Returns the arithmetic for this scale that performs all operations with the specified truncationPolicy.

Specified by:

getArithmetic in interface ScaleMetrics

Parameters:

truncationPolicy - the truncation policy used by the returned arithmetic

Returns:

arithmetic for this scale with specified truncation policy

toString

public final String toString()

Overrides:

toString in class Enum<Scale4f>