Module ojalgo

Package org.ojalgo.scalar

Class Quantity

java.lang.Object

org.ojalgo.scalar.ExactDecimal<Quantity>

org.ojalgo.scalar.Quantity

All Implemented Interfaces:

java.lang.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 org.ojalgo.scalar.ExactDecimal

ExactDecimal.Descriptor, ExactDecimal.Factory<S extends ExactDecimal<S>>

Nested classes/interfaces inherited from interface org.ojalgo.algebra.Group

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

Nested classes/interfaces inherited from interface org.ojalgo.algebra.Operation

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

Nested classes/interfaces inherited from interface org.ojalgo.algebra.ScalarOperation

ScalarOperation.Addition<T,N extends java.lang.Comparable<N>>, ScalarOperation.Division<T,N extends java.lang.Comparable<N>>, ScalarOperation.Multiplication<T,N extends java.lang.Comparable<N>>, ScalarOperation.Subtraction<T,N extends java.lang.Comparable<N>>

Field Summary

Fields

Modifier and Type	Field	Description
static ExactDecimal.Descriptor	DESCRIPTOR
private static double	DOUBLE_DENOMINATOR
static Scalar.Factory<Quantity>	FACTORY
private static long	LONG_DENOMINATOR
static Quantity	NEG
static Quantity	ONE
static Quantity	TWO
static 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(java.lang.Comparable<?> number)
protected Quantity	wrap(long numerator)

Methods inherited from class org.ojalgo.scalar.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 java.lang.Object

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

Methods inherited from interface org.ojalgo.type.NumberDefinition

booleanValue, byteValue, shortValue

Methods inherited from interface org.ojalgo.scalar.Scalar

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

Methods inherited from interface org.ojalgo.scalar.SelfDeclaringScalar

add, divide, multiply, subtract

Methods inherited from interface org.ojalgo.tensor.Tensor

components, isSameShape

Field Detail

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 Detail

Quantity

public Quantity()

Quantity

Quantity(long numerator)

Method Detail

valueOf

public static Quantity valueOf(java.lang.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>