Class Quantity

java.lang.Object

org.ojalgo.scalar.ExactDecimal<Quantity>

org.ojalgo.scalar.Quantity

All Implemented Interfaces:

Comparable<Quantity>, Field<Scalar<Quantity>>, Group, Group.Additive<Scalar<Quantity>>, Group.Multiplicative<Scalar<Quantity>>, NormedVectorSpace<Scalar<Quantity>, Quantity>, Operation, Operation.Addition<Scalar<Quantity>>, Operation.Division<Scalar<Quantity>>, Operation.Multiplication<Scalar<Quantity>>, Operation.Subtraction<Scalar<Quantity>>, Ring<Scalar<Quantity>>, ScalarOperation, ScalarOperation.Addition<Scalar<Quantity>, Quantity>, ScalarOperation.Division<Scalar<Quantity>, Quantity>, ScalarOperation.Multiplication<Scalar<Quantity>, Quantity>, ScalarOperation.Subtraction<Scalar<Quantity>, Quantity>, VectorSpace<Scalar<Quantity>, Quantity>, Scalar<Quantity>, SelfDeclaringScalar<Quantity>, AccessScalar<Quantity>, Tensor<Quantity, Scalar<Quantity>>, NumberContext.Enforceable<Quantity>, NumberDefinition

public final class Quantity
extends ExactDecimal<Quantity>

quantity as in "amount = price * quatity"

Nested Class Summary

Nested classes/interfaces inherited from class ExactDecimal

ExactDecimal.Descriptor, ExactDecimal.Factory<S>

Nested classes/interfaces inherited from interface Group

Group.Additive<T>, Group.Multiplicative<T>

Nested classes/interfaces inherited from interface Operation

Operation.Addition<T>, Operation.Division<T>, Operation.Multiplication<T>, Operation.Subtraction<T>

Nested classes/interfaces inherited from interface ScalarOperation

ScalarOperation.Addition<T,N>, ScalarOperation.Division<T,N>, ScalarOperation.Multiplication<T,N>, ScalarOperation.Subtraction<T,N>

Field Summary

Fields

Modifier and Type	Field	Description
static final ExactDecimal.Descriptor	DESCRIPTOR
private static final double	DOUBLE_DENOMINATOR
static final Scalar.Factory<Quantity>	FACTORY
private static final long	LONG_DENOMINATOR
static final Quantity	NEG
static final Quantity	ONE
static final Quantity	TWO
static final Quantity	ZERO

Constructor Summary

Constructors

Constructor	Description
Quantity()
Quantity(long numerator)

Method Summary

Modifier and Type	Method	Description
protected ExactDecimal.Descriptor	descriptor()
Amount	multiply(Price price)
static Quantity	valueOf(double value)
static Quantity	valueOf(Comparable<?> number)
protected Quantity	wrap(long numerator)

Methods inherited from class ExactDecimal

add, add, compareTo, conjugate, divide, divide, doubleValue, enforce, extractUnscaledValue, floatValue, get, intValue, invert, isAbsolute, isSmall, isZero, longValue, multiply, multiply, negate, norm, numerator, power, signum, subtract, subtract, toBigDecimal, toString, toString

Methods inherited from class Object

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

Methods inherited from interface NumberDefinition

booleanValue, byteValue, shortValue

Methods inherited from interface Scalar

add, dimensions, divide, multiply, rank, subtract, toPlainString

Methods inherited from interface SelfDeclaringScalar

add, divide, multiply, subtract

Methods inherited from interface Tensor

components, isSameShape

Field Details

DESCRIPTOR

public static final ExactDecimal.Descriptor DESCRIPTOR

FACTORY

public static final Scalar.Factory<Quantity> FACTORY

DOUBLE_DENOMINATOR

private static final double DOUBLE_DENOMINATOR

See Also:

• Constant Field Values

LONG_DENOMINATOR

private static final long LONG_DENOMINATOR

See Also:

• Constant Field Values

NEG

public static final Quantity NEG

ONE

public static final Quantity ONE

TWO

public static final Quantity TWO

ZERO

public static final Quantity ZERO

Constructor Details

Quantity

public Quantity()

Quantity

Quantity(long numerator)

Method Details

valueOf

public static Quantity valueOf(Comparable<?> number)

valueOf

public static Quantity valueOf(double value)

multiply

public Amount multiply(Price price)

descriptor

protected ExactDecimal.Descriptor descriptor()

Specified by:

descriptor in class ExactDecimal<Quantity>

wrap

protected Quantity wrap(long numerator)

Specified by:

wrap in class ExactDecimal<Quantity>