Package org.zkoss.pivot.impl.calc

Class Numbers

java.lang.Object

org.zkoss.pivot.impl.calc.Numbers

public class Numbers
extends Object

Utilities of arithmetic operations.

Author:

simonpai

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Numbers.MixedTypedNumber

Field Summary

Fields

Modifier and Type	Field	Description
static final byte	DOUBLE	Double type.
static final byte	INTEGER	Integer type.
static final byte	LONG	Long type.
static final byte	NULL	null value.

Constructor Summary

Constructors

Constructor	Description
Numbers()

Method Summary

Modifier and Type	Method	Description
static Number	divide(Number n, int divisor)	Divide a Number by an int with automatic casting.
static byte	getTypeBound(Number n)	Return the minimal variable type required to hold the number.

Methods inherited from class java.lang.Object

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

Field Details

NULL

public static final byte NULL

null value.

See Also:

• Constant Field Values

INTEGER

public static final byte INTEGER

Integer type.

See Also:

• Constant Field Values

LONG

public static final byte LONG

Long type.

See Also:

• Constant Field Values

DOUBLE

public static final byte DOUBLE

Double type.

See Also:

• Constant Field Values

Constructor Details

Numbers

public Numbers()

Method Details

getTypeBound

public static byte getTypeBound(Number n)

Return the minimal variable type required to hold the number.

Returns:

either NULL, INTEGER, LONG, or DOUBLE

divide

public static Number divide(Number n,
 int divisor)

Divide a Number by an int with automatic casting.