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Ceilng(), floor() and round() transform floating point numbers into integers

File: Data.xml <?xml version="1.0" encoding="utf-8"?> <data>     <number>6</number>     <number>3.8</number>     <number>1.234</number>     <number>-6</number>     <number>-3.8</number>     <number>-1.234</number> </data> File: Transform.xslt <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet       version="1.0"       xmlns:xsl="http://www.w3.org/1999/XSL/Transform">     <xsl:template match="/">       <TABLE border="1">         <TR>           <td>number</TH>           <td>floor</TH>           <td>ceiling</TH>           <td>round</TH>         </TR>         <xsl:for-each select="//number">           <TR>             <TD>               <xsl:value-of select="."/>             </TD>             <TD>               <xsl:value-of select="floor(.)"/>             </TD>             <TD>               <xsl:value-of select="ceiling(.)"/>             </TD>             <TD>               <xsl:value-of select="round(.)"/>             </TD>           </TR>         </xsl:for-each>       </TABLE>     </xsl:template> </xsl:stylesheet> Output: <?xml version="1.0" encoding="UTF-8"?><TABLE border="1"><TR><td>number</TH><td>floor</TH><td>ceiling</TH><td>round</TH></TR><TR><TD>6</TD><TD>6</TD><TD>6</TD><TD>6</TD></TR><TR><TD>3.8</TD><TD>3</TD><TD>4</TD><TD>4</TD></TR><TR><TD>1.234</TD><TD>1</TD><TD>2</TD><TD>1</TD></TR><TR><TD>-6</TD><TD>-6</TD><TD>-6</TD><TD>-6</TD></TR><TR><TD>-3.8</TD><TD>-4</TD><TD>-3</TD><TD>-4</TD></TR><TR><TD>-1.234</TD><TD>-2</TD><TD>-1</TD><TD>-1</TD></TR></TABLE>