org.jscience.mathematics.numbers
Interface Numeric<T extends Numeric<T>>

All Superinterfaces:

Operable<T>, Realtime

All Known Implementing Classes:

Acceleration, AmountOfSubstance, Angle, AngularAcceleration, AngularVelocity, Area, CatalyticActivity, Complex, DataAmount, DataRate, Dimensionless, Duration, ElectricCapacitance, ElectricCharge, ElectricConductance, ElectricCurrent, ElectricInductance, ElectricPotential, ElectricResistance, Energy, Float32, Float64, Force, Frequency, Illuminance, Integer32, Integer64, LargeInteger, Length, LuminousFlux, LuminousIntensity, MagneticFlux, MagneticFluxDensity, Mass, Money, Number, Power, Pressure, Quantity, RadiationDoseAbsorbed, RadiationDoseEffective, RadioactiveActivity, Rational, Real, SolidAngle, Temperature, Torque, Velocity, Volume, VolumetricDensity

public interface Numeric<T extends Numeric<T>>
extends Operable<T>

This interface identifies operables for which the length, size, or extent can be calculated (see norm()).

Version:

2.0, June 6, 2004

Author:

Jean-Marie Dautelle

See Also:

Norm -- from MathWorld

Nested Class Summary

Nested classes/interfaces inherited from interface javolution.realtime.Realtime

Realtime.ObjectSpace

Method Summary

boolean	isLargerThan(T that) Compares the norm of this numeric with that numeric.
T	norm() Returns the norm (or magnitude) of this numeric.
T	sqrt() Returns the square root of this numeric.

Methods inherited from interface org.jscience.mathematics.matrices.Operable

opposite, plus, reciprocal, times

Methods inherited from interface javolution.realtime.Realtime

move, toText

Method Detail

isLargerThan

boolean isLargerThan(T that)

Compares the norm of this numeric with that numeric.

Parameters:

that - the numeric to be compared with.

Returns:

|this| > |that|

norm

T norm()

Returns the norm (or magnitude) of this numeric.

Returns:

|this|

sqrt

T sqrt()

Returns the square root of this numeric.

Returns:

the numeric sqrt such as sqrt.times(sqrt) = this

Throws:

java.lang.ArithmeticException - if the square root cannot be calculated.