org.pentaho.reporting.libraries.formula.util

Class NumberUtil

public class NumberUtil extends Object

Field Summary
static BigDecimal	DELTA
static BigDecimal	INT_TEST_DELTA

Method Summary
static BigDecimal	divide(BigDecimal bd1, BigDecimal bd2)
static BigDecimal	getAsBigDecimal(Number number)
static BigDecimal	performIntRounding(BigDecimal n) Performs a rounding to get a more reliable (int) cast.
static BigDecimal	performTuneRounding(BigDecimal n)
static BigDecimal	removeTrailingZeros(BigDecimal bd)

Field Detail

DELTA

public static final BigDecimal DELTA

INT_TEST_DELTA

public static final BigDecimal INT_TEST_DELTA

Method Detail

divide

public static BigDecimal divide(BigDecimal bd1, BigDecimal bd2)

getAsBigDecimal

public static BigDecimal getAsBigDecimal(Number number)

performIntRounding

public static BigDecimal performIntRounding(BigDecimal n)

Performs a rounding to get a more reliable (int) cast. This makes sure that nearly exact values like 0.9999999..9999 are correctly interpreted as 1 while exact values like 0.99 are interpreted as 0.

Parameters: n

Returns:

performTuneRounding

public static BigDecimal performTuneRounding(BigDecimal n)

removeTrailingZeros

public static BigDecimal removeTrailingZeros(BigDecimal bd)