org.jlab.groot.math

Class StatNumber

java.lang.Object

org.jlab.groot.math.StatNumber

public class StatNumber
extends java.lang.Object

Creates a StatNumber object with a number and an error.

Constructor Summary

Constructors

Constructor and Description
StatNumber() Creates a default StatNumber object with a number and error set to 0.0.
StatNumber(double num) Creates a StatNumber object with the specified number and calculates its error.
StatNumber(double num, double err) Creates a StatNumber object with the specified number and error.

Method Summary

Modifier and Type	Method and Description
void	add(StatNumber num) Adds two StatNumber objects.
void	divide(StatNumber num) Divides the current object by the parameter StatNumber
double	error()
void	multiply(StatNumber num) Multiplies the parameter and the current StatNumber
double	number()
void	set(double num, double err) Sets the number and error of the StatNumber object
void	subtract(StatNumber num) Subtracts the parameter from the current object

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatNumber

public StatNumber()

Creates a default StatNumber object with a number and error set to 0.0.

StatNumber

public StatNumber(double num,
                  double err)

Creates a StatNumber object with the specified number and error.

Parameters:

num - The number

err - The error

StatNumber

public StatNumber(double num)

Creates a StatNumber object with the specified number and calculates its error.

Parameters:

num - What number to store in the StatNumber object.

Method Detail

set

public void set(double num,
                double err)

Sets the number and error of the StatNumber object

Parameters:

num - What to set the number to

err - What to set the error to

number

public double number()

Returns:

the number stored in the StatNumber object.

error

public double error()

Returns:

the error stored in the StatNumber object.

add

public void add(StatNumber num)

Adds two StatNumber objects.

Parameters:

num - The StatNumber to add to this object.

divide

public void divide(StatNumber num)

Divides the current object by the parameter StatNumber

Parameters:

num - The StatNumber to divide this object by

multiply

public void multiply(StatNumber num)

Multiplies the parameter and the current StatNumber

Parameters:

num - The StatNumber object to multiply this object by

subtract

public void subtract(StatNumber num)

Subtracts the parameter from the current object

Parameters:

num - The StatNumber to subtract from the current StatNumber object