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package com.sun.org.apache.xpath.internal.functions;

import com.sun.org.apache.xpath.internal.XPathContext;
import com.sun.org.apache.xpath.internal.objects.XNumber;
import com.sun.org.apache.xpath.internal.objects.XObject;

Execute the round() function.
@xsl.usageadvanced
/** * Execute the round() function. * @xsl.usage advanced */
public class FuncRound extends FunctionOneArg { static final long serialVersionUID = -7970583902573826611L;
Execute the function. The function must return a valid object.
Params:
  • xctxt – The current execution context.
Throws:
Returns:A valid XObject.
/** * Execute the function. The function must return * a valid object. * @param xctxt The current execution context. * @return A valid XObject. * * @throws javax.xml.transform.TransformerException */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException { final XObject obj = m_arg0.execute(xctxt); final double val= obj.num(); if (val >= -0.5 && val < 0) return new XNumber(-0.0); if (val == 0.0) return new XNumber(val); return new XNumber(java.lang.Math.floor(val + 0.5)); } }