1<?xml version="1.0"?> 2<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> 3 4 <!-- FileName: math104 --> 5 <!-- Document: http://www.w3.org/TR/xpath --> 6 <!-- DocVersion: 19991116 --> 7 <!-- Section: 4.4 --> 8 <!-- Purpose: Test of is-a-number technique. --> 9 <!-- Creator: David Marston --> 10 11<xsl:template match="doc"> 12 <out> 13 <xsl:for-each select="n"> 14 <xsl:choose> 15 <xsl:when test="contains(number(.),'NaN')"> 16 <xsl:value-of select="."/><xsl:text> is not a number 17</xsl:text> 18 </xsl:when> 19 <xsl:otherwise> 20 <xsl:value-of select="."/><xsl:text> is a number 21</xsl:text> 22 </xsl:otherwise> 23 </xsl:choose> 24 </xsl:for-each> 25 </out> 26</xsl:template> 27 28 29 <!-- 30 * Licensed to the Apache Software Foundation (ASF) under one 31 * or more contributor license agreements. See the NOTICE file 32 * distributed with this work for additional information 33 * regarding copyright ownership. The ASF licenses this file 34 * to you under the Apache License, Version 2.0 (the "License"); 35 * you may not use this file except in compliance with the License. 36 * You may obtain a copy of the License at 37 * 38 * http://www.apache.org/licenses/LICENSE-2.0 39 * 40 * Unless required by applicable law or agreed to in writing, software 41 * distributed under the License is distributed on an "AS IS" BASIS, 42 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 43 * See the License for the specific language governing permissions and 44 * limitations under the License. 45 --> 46 47</xsl:stylesheet> 48