org.jscience.physics.nuclear.kinematics.math
Class UncertainNumber

java.lang.Object
  org.jscience.physics.nuclear.kinematics.math.UncertainNumber

All Implemented Interfaces:

java.io.Serializable

public class UncertainNumber
extends java.lang.Object
implements java.io.Serializable

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See Also:

Serialized Form

Field Summary

double	error The uncertainty.
double	value The best estimate of the value.

Constructor Summary

UncertainNumber(double value)
Constructor for a fixed value.

UncertainNumber(double value, double error)
Constructor.

Method Summary

UncertainNumber	divide(double x) DOCUMENT ME!
UncertainNumber	divide(UncertainNumber x) DOCUMENT ME!
boolean	equals(java.lang.Object o) DOCUMENT ME!
int	hashcode() Override of hashcode to make sure that UncertainNumber's with the same value and error produce the same hashcode.
static void	main(java.lang.String[] args) DOCUMENT ME!
UncertainNumber	minus(double x) DOCUMENT ME!
UncertainNumber	minus(UncertainNumber x) Subtract the given number from this number, propagating errors.
UncertainNumber	plus(UncertainNumber x) Add this number to the given number, propagating errors.
java.lang.String	plusMinusString() DOCUMENT ME!
UncertainNumber	times(double x) DOCUMENT ME!
UncertainNumber	times(UncertainNumber x) DOCUMENT ME!
java.lang.String	toString() DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Field Detail

value

public double value

The best estimate of the value.

error

public double error

The uncertainty.

Constructor Detail

UncertainNumber

public UncertainNumber(double value,
                       double error)

Constructor.

Parameters:

value - value of number

error - uncertainty in value

UncertainNumber

public UncertainNumber(double value)

Constructor for a fixed value.

Parameters:

value - value of number

Method Detail

plus

public UncertainNumber plus(UncertainNumber x)

Add this number to the given number, propagating errors.

Parameters:

x - number to add

Returns:

sum

minus

public UncertainNumber minus(UncertainNumber x)

Subtract the given number from this number, propagating errors.

Parameters:

x - number to subtract

Returns:

difference

minus

public UncertainNumber minus(double x)

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Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

times

public UncertainNumber times(UncertainNumber x)

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Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

times

public UncertainNumber times(double x)

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Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

divide

public UncertainNumber divide(UncertainNumber x)

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Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

divide

public UncertainNumber divide(double x)

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Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

toString

public java.lang.String toString()

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Overrides:

toString in class java.lang.Object

Returns:

DOCUMENT ME!

plusMinusString

public java.lang.String plusMinusString()

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Returns:

DOCUMENT ME!

equals

public boolean equals(java.lang.Object o)

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Overrides:

equals in class java.lang.Object

Parameters:

o - DOCUMENT ME!

Returns:

true only if value and error are equal

hashcode

public int hashcode()

Override of hashcode to make sure that UncertainNumber's with the same value and error produce the same hashcode.

Returns:

the sum of hashcodes for Double objects containing this.value and this.error

main

public static void main(java.lang.String[] args)

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Parameters:

args - DOCUMENT ME!