1*cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2*cdf0e10cSrcweir 3*cdf0e10cSrcweir 4*cdf0e10cSrcweir<!--*********************************************************************** 5*cdf0e10cSrcweir * 6*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7*cdf0e10cSrcweir * 8*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 9*cdf0e10cSrcweir * 10*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 11*cdf0e10cSrcweir * 12*cdf0e10cSrcweir * This file is part of OpenOffice.org. 13*cdf0e10cSrcweir * 14*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 15*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 16*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 17*cdf0e10cSrcweir * 18*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 19*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 20*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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If not, see 26*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 27*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 28*cdf0e10cSrcweir * 29*cdf0e10cSrcweir ************************************************************************--> 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir<helpdocument version="1.0"> 32*cdf0e10cSrcweir<meta> 33*cdf0e10cSrcweir<topic id="textsbasicshared03080302xml" indexer="include" status="PUBLISH"> 34*cdf0e10cSrcweir<title id="tit" xml-lang="en-US">Rnd Function [Runtime]</title> 35*cdf0e10cSrcweir<filename>/text/sbasic/shared/03080302.xhp</filename> 36*cdf0e10cSrcweir</topic> 37*cdf0e10cSrcweir</meta> 38*cdf0e10cSrcweir<body> 39*cdf0e10cSrcweir<section id="rnd"> 40*cdf0e10cSrcweir<bookmark xml-lang="en-US" branch="index" id="bm_id3148685"><bookmark_value>Rnd function</bookmark_value> 41*cdf0e10cSrcweir</bookmark> 42*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3148685" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03080302.xhp" name="Rnd Function [Runtime]">Rnd Function [Runtime]</link></paragraph> 43*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3149669" xml-lang="en-US" l10n="U" oldref="2">Returns a random number between 0 and 1.</paragraph> 44*cdf0e10cSrcweir</section> 45*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153897" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 46*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150543" xml-lang="en-US" l10n="U" oldref="4">Rnd [(Expression)]</paragraph> 47*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3149655" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 48*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154365" xml-lang="en-US" l10n="U" oldref="6">Double</paragraph> 49*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3154909" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 50*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3125864" xml-lang="en-US" l10n="U" oldref="8"> 51*cdf0e10cSrcweir<emph>Expression:</emph> Any numeric expression.</paragraph> 52*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155306" xml-lang="en-US" l10n="U" oldref="12"> 53*cdf0e10cSrcweir<emph>Omitted:</emph> Returns the next random number in the sequence.</paragraph> 54*cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147318" xml-lang="en-US" l10n="U" oldref="14">The <emph>Rnd</emph> function only returns values ranging from 0 to 1. To generate random integers in a given range, use the formula in the following example:</paragraph> 55*cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 56*cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err5"/> 57*cdf0e10cSrcweir<paragraph role="heading" id="hd_id3151118" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph> 58*cdf0e10cSrcweir<paragraph role="code" id="par_id3145365" xml-lang="en-US" l10n="U" oldref="16">Sub ExampleRandomSelect</paragraph> 59*cdf0e10cSrcweir<paragraph role="code" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="17">Dim iVar As Integer</paragraph> 60*cdf0e10cSrcweir<paragraph role="code" id="par_id3150011" xml-lang="en-US" l10n="U" oldref="18">iVar = Int((15 * Rnd) -2)</paragraph> 61*cdf0e10cSrcweir<paragraph role="code" id="par_id3148575" xml-lang="en-US" l10n="U" oldref="19">Select Case iVar</paragraph> 62*cdf0e10cSrcweir<paragraph role="code" id="par_id3154097" xml-lang="en-US" l10n="U" oldref="20">Case 1 To 5</paragraph> 63*cdf0e10cSrcweir<paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U" oldref="21">Print "Number from 1 to 5"</paragraph> 64*cdf0e10cSrcweir<paragraph role="code" id="par_id3155418" xml-lang="en-US" l10n="U" oldref="22">Case 6, 7, 8</paragraph> 65*cdf0e10cSrcweir<paragraph role="code" id="par_id3154943" xml-lang="en-US" l10n="U" oldref="23">Print "Number from 6 to 8"</paragraph> 66*cdf0e10cSrcweir<paragraph role="code" id="par_id3145800" xml-lang="en-US" l10n="U" oldref="24">Case Is > 8 And iVar < 11</paragraph> 67*cdf0e10cSrcweir<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="25">Print "Greater than 8"</paragraph> 68*cdf0e10cSrcweir<paragraph role="code" id="par_id3154016" xml-lang="en-US" l10n="U" oldref="26">Case Else</paragraph> 69*cdf0e10cSrcweir<paragraph role="code" id="par_id3155602" xml-lang="en-US" l10n="U" oldref="27">Print "Outside range 1 to 10"</paragraph> 70*cdf0e10cSrcweir<paragraph role="code" id="par_id3150328" xml-lang="en-US" l10n="U" oldref="28">End Select</paragraph> 71*cdf0e10cSrcweir<paragraph role="code" id="par_id3154479" xml-lang="en-US" l10n="U" oldref="29">end sub</paragraph> 72*cdf0e10cSrcweir</body> 73*cdf0e10cSrcweir</helpdocument> 74