Bug 314203 Unnecessary round mode will cause number disappear
core/org.eclipse.birt.core/src/org/eclipse/birt/core/format/NumberFormatter.java
/**
	 * constructor with a format string as parameter
	 * 
	 * @param format
	 *            format string
	 */
	public NumberFormatter( String format )
	{
		applyPattern( format );
	}
	/**
	 * @param locale
	 *            the locale used for numer format
	 */
	public NumberFormatter( ULocale locale )
	{
		this.locale = locale;
		applyPattern( null );
	}
	/**
	 * @deprecated since 2.1
	 * @return
	 */
	public NumberFormatter( Locale locale )
	{
		this( ULocale.forLocale( locale ) );
	}
	/**
	 * constructor that takes a format pattern and a locale
	 *