org.pentaho.reporting.libraries.formula.util
Class NumberUtil
public
class
NumberUtil
extends Object
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LibFormula : a free Java formula library
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Project Info: http://reporting.pentaho.org/libformula/
(C) Copyright 2006-2008, by Pentaho Corporation and Contributors.
This library is free software; you can redistribute it and/or modify it under the terms
of the GNU Lesser General Public License as published by the Free Software Foundation;
either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307, USA.
[Java is a trademark or registered trademark of Sun Microsystems, Inc.
in the United States and other countries.]
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NumberUtil.java
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public static final BigDecimal DELTA
public static final BigDecimal INT_TEST_DELTA
public static BigDecimal getAsBigDecimal(Number number)
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:
public static BigDecimal performTuneRounding(BigDecimal n)
public static BigDecimal removeTrailingZeros(BigDecimal bd)