org.graalvm.shadowed.com.ibm.icu.impl.number

Class DecimalQuantity_DualStorageBCD

java.lang.Object

org.graalvm.shadowed.com.ibm.icu.impl.number.DecimalQuantity_AbstractBCD

org.graalvm.shadowed.com.ibm.icu.impl.number.DecimalQuantity_DualStorageBCD

All Implemented Interfaces:

DecimalQuantity

public final class DecimalQuantity_DualStorageBCD
extends DecimalQuantity_AbstractBCD

A DecimalQuantity with internal storage as a 64-bit BCD, with fallback to a byte array for numbers that don't fit into the standard BCD.

Field Summary

Fields inherited from class org.graalvm.shadowed.com.ibm.icu.impl.number.DecimalQuantity_AbstractBCD

exponent, flags, INFINITY_FLAG, isApproximate, lReqPos, NAN_FLAG, NEGATIVE_FLAG, origDelta, origDouble, precision, rReqPos, scale

Constructor Summary

Constructors

Constructor and Description
DecimalQuantity_DualStorageBCD()
DecimalQuantity_DualStorageBCD(BigDecimal input)
DecimalQuantity_DualStorageBCD(BigInteger input)
DecimalQuantity_DualStorageBCD(DecimalQuantity_DualStorageBCD other)
DecimalQuantity_DualStorageBCD(double input)
DecimalQuantity_DualStorageBCD(int input)
DecimalQuantity_DualStorageBCD(long input)
DecimalQuantity_DualStorageBCD(Number number)

Method Summary

Modifier and Type	Method and Description
protected BigDecimal	bcdToBigDecimal() Returns a BigDecimal encoding the internal BCD value.
protected void	compact() Removes trailing zeros from the BCD (adjusting the scale as required) and then computes the precision.
protected void	copyBcdFrom(DecimalQuantity _other)
DecimalQuantity	createCopy() Like clone, but without the restrictions of the Cloneable interface clone.
static DecimalQuantity	fromExponentString(String num) Returns a DecimalQuantity after parsing the input string.
protected byte	getDigitPos(int position) Returns a single digit from the BCD list.
int	maxRepresentableDigits()
protected void	popFromLeft(int numDigits) Directly removes digits from the front of the BCD list.
protected void	readBigIntegerToBcd(BigInteger n) Sets the internal BCD state to represent the value in the given BigInteger.
protected void	readIntToBcd(int n) Sets the internal BCD state to represent the value in the given int.
protected void	readLongToBcd(long n) Sets the internal BCD state to represent the value in the given long.
protected void	setBcdToZero() Sets the internal representation to zero.
protected void	setDigitPos(int position, byte value) Sets the digit in the BCD list.
protected void	shiftLeft(int numDigits) Adds zeros to the end of the BCD list.
protected void	shiftRight(int numDigits) Removes digits from the end of the BCD list.
String	toString()

Methods inherited from class org.graalvm.shadowed.com.ibm.icu.impl.number.DecimalQuantity_AbstractBCD

adjustExponent, adjustMagnitude, applyMaxInteger, clear, copyFrom, equals, fitsInLong, getDigit, getExponent, getLowerDisplayMagnitude, getMagnitude, getPluralOperand, getPositionFingerprint, getStandardPlural, getUpperDisplayMagnitude, isHasIntegerValue, isInfinite, isNaN, isNegative, isZeroish, multiplyBy, negate, populateUFieldPosition, resetExponent, roundToIncrement, roundToInfinity, roundToMagnitude, roundToNickel, setMinFraction, setMinInteger, setToBigDecimal, setToBigInteger, setToDouble, setToInt, setToLong, signum, toBigDecimal, toDouble, toExponentString, toFractionLong, toLong, toPlainString, toPlainString, toScientificString, toScientificString, truncate

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD()

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(long input)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(int input)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(double input)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(BigInteger input)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(BigDecimal input)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(DecimalQuantity_DualStorageBCD other)

DecimalQuantity_DualStorageBCD

public DecimalQuantity_DualStorageBCD(Number number)

Method Detail

maxRepresentableDigits

public int maxRepresentableDigits()

createCopy

public DecimalQuantity createCopy()

Description copied from interface: DecimalQuantity

Like clone, but without the restrictions of the Cloneable interface clone.

Returns:

A copy of this instance which can be mutated without affecting this instance.

fromExponentString

public static DecimalQuantity fromExponentString(String num)

Returns a DecimalQuantity after parsing the input string.

Parameters:

s - The String to parse

getDigitPos

protected byte getDigitPos(int position)

Description copied from class: DecimalQuantity_AbstractBCD

Returns a single digit from the BCD list. No internal state is changed by calling this method.

Specified by:

getDigitPos in class DecimalQuantity_AbstractBCD

Parameters:

position - The position of the digit to pop, counted in BCD units from the least significant digit. If outside the range supported by the implementation, zero is returned.

Returns:

The digit at the specified location.

setDigitPos

protected void setDigitPos(int position,
                           byte value)

Description copied from class: DecimalQuantity_AbstractBCD

Sets the digit in the BCD list. This method only sets the digit; it is the caller's responsibility to call DecimalQuantity_AbstractBCD.compact() after setting the digit, and to ensure that the precision field is updated to reflect the correct number of digits if a nonzero digit is added to the decimal.

Specified by:

setDigitPos in class DecimalQuantity_AbstractBCD

Parameters:

position - The position of the digit to pop, counted in BCD units from the least significant digit. If outside the range supported by the implementation, an AssertionError is thrown.

value - The digit to set at the specified location.

shiftLeft

protected void shiftLeft(int numDigits)

Description copied from class: DecimalQuantity_AbstractBCD

Adds zeros to the end of the BCD list. This will result in an invalid BCD representation; it is the caller's responsibility to do further manipulation and then call DecimalQuantity_AbstractBCD.compact().

Specified by:

shiftLeft in class DecimalQuantity_AbstractBCD

Parameters:

numDigits - The number of zeros to add.

shiftRight

protected void shiftRight(int numDigits)

Description copied from class: DecimalQuantity_AbstractBCD

Removes digits from the end of the BCD list. This may result in an invalid BCD representation; it is the caller's responsibility to follow-up with a call to DecimalQuantity_AbstractBCD.compact().

Specified by:

shiftRight in class DecimalQuantity_AbstractBCD

Parameters:

numDigits - The number of digits to remove.

popFromLeft

protected void popFromLeft(int numDigits)

Description copied from class: DecimalQuantity_AbstractBCD

Directly removes digits from the front of the BCD list. Updates precision. CAUTION: it is the caller's responsibility to call DecimalQuantity_AbstractBCD.compact() after this method.

Specified by:

popFromLeft in class DecimalQuantity_AbstractBCD

setBcdToZero

protected void setBcdToZero()

Description copied from class: DecimalQuantity_AbstractBCD

Sets the internal representation to zero. Clears any values stored in scale, precision, hasDouble, origDouble, origDelta, exponent, and BCD data.

Specified by:

setBcdToZero in class DecimalQuantity_AbstractBCD

readIntToBcd

protected void readIntToBcd(int n)

Description copied from class: DecimalQuantity_AbstractBCD

Sets the internal BCD state to represent the value in the given int. The int is guaranteed to be either positive. The internal state is guaranteed to be empty when this method is called.

Specified by:

readIntToBcd in class DecimalQuantity_AbstractBCD

readLongToBcd

protected void readLongToBcd(long n)

Description copied from class: DecimalQuantity_AbstractBCD

Sets the internal BCD state to represent the value in the given long. The long is guaranteed to be either positive. The internal state is guaranteed to be empty when this method is called.

Specified by:

readLongToBcd in class DecimalQuantity_AbstractBCD

readBigIntegerToBcd

protected void readBigIntegerToBcd(BigInteger n)

Description copied from class: DecimalQuantity_AbstractBCD

Sets the internal BCD state to represent the value in the given BigInteger. The BigInteger is guaranteed to be positive, and it is guaranteed to be larger than Long.MAX_VALUE. The internal state is guaranteed to be empty when this method is called.

Specified by:

readBigIntegerToBcd in class DecimalQuantity_AbstractBCD

bcdToBigDecimal

protected BigDecimal bcdToBigDecimal()

Description copied from class: DecimalQuantity_AbstractBCD

Returns a BigDecimal encoding the internal BCD value.

Specified by:

bcdToBigDecimal in class DecimalQuantity_AbstractBCD

Returns:

A BigDecimal representation of the internal BCD.

compact

protected void compact()

Description copied from class: DecimalQuantity_AbstractBCD

Removes trailing zeros from the BCD (adjusting the scale as required) and then computes the precision. The precision is the number of digits in the number up through the greatest nonzero digit.

This method must always be called when bcd changes in order for assumptions to be correct in methods like DecimalQuantity_AbstractBCD.fractionCount().

Specified by:

compact in class DecimalQuantity_AbstractBCD

copyBcdFrom

protected void copyBcdFrom(DecimalQuantity _other)

Specified by:

copyBcdFrom in class DecimalQuantity_AbstractBCD

toString

public String toString()

Overrides:

toString in class Object