helpcontent2/source/text/sbasic/shared/03080302.xhp


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<?xml version="1.0" encoding="UTF-8"?>


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<helpdocument version="1.0">
<meta>
<topic id="textsbasicshared03080302xml" indexer="include" status="PUBLISH">
<title id="tit" xml-lang="en-US">Rnd Function [Runtime]</title>
<filename>/text/sbasic/shared/03080302.xhp</filename>
</topic>
</meta>
<body>
<section id="rnd">
<bookmark xml-lang="en-US" branch="index" id="bm_id3148685"><bookmark_value>Rnd function</bookmark_value>
</bookmark>
<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>
<paragraph role="paragraph" id="par_id3149669" xml-lang="en-US" l10n="U" oldref="2">Returns a random number between 0 and 1.</paragraph>
</section>
<paragraph role="heading" id="hd_id3153897" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph>
<paragraph role="paragraph" id="par_id3150543" xml-lang="en-US" l10n="U" oldref="4">Rnd [(Expression)]</paragraph>
<paragraph role="heading" id="hd_id3149655" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph>
<paragraph role="paragraph" id="par_id3154365" xml-lang="en-US" l10n="U" oldref="6">Double</paragraph>
<paragraph role="heading" id="hd_id3154909" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph>
<paragraph role="paragraph" id="par_id3125864" xml-lang="en-US" l10n="U" oldref="8">
<emph>Expression:</emph> Any numeric expression.</paragraph>
<paragraph role="paragraph" id="par_id3155306" xml-lang="en-US" l10n="U" oldref="12">
<emph>Omitted:</emph> Returns the next random number in the sequence.</paragraph>
<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>
<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
<embed href="text/sbasic/shared/00000003.xhp#err5"/>
<paragraph role="heading" id="hd_id3151118" xml-lang="en-US" level="2" l10n="U" oldref="15">Example:</paragraph>
<paragraph role="code" id="par_id3145365" xml-lang="en-US" l10n="U" oldref="16">Sub ExampleRandomSelect</paragraph>
<paragraph role="code" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="17">Dim iVar As Integer</paragraph>
<paragraph role="code" id="par_id3150011" xml-lang="en-US" l10n="U" oldref="18">iVar = Int((15 * Rnd) -2)</paragraph>
<paragraph role="code" id="par_id3148575" xml-lang="en-US" l10n="U" oldref="19">Select Case iVar</paragraph>
<paragraph role="code" id="par_id3154097" xml-lang="en-US" l10n="U" oldref="20">Case 1 To 5</paragraph>
<paragraph role="code" id="par_id3147124" xml-lang="en-US" l10n="U" oldref="21">Print "Number from 1 to 5"</paragraph>
<paragraph role="code" id="par_id3155418" xml-lang="en-US" l10n="U" oldref="22">Case 6, 7, 8</paragraph>
<paragraph role="code" id="par_id3154943" xml-lang="en-US" l10n="U" oldref="23">Print "Number from 6 to 8"</paragraph>
<paragraph role="code" id="par_id3145800" xml-lang="en-US" l10n="U" oldref="24">Case Is &gt; 8 And iVar &lt; 11</paragraph>
<paragraph role="code" id="par_id3151074" xml-lang="en-US" l10n="U" oldref="25">Print "Greater than 8"</paragraph>
<paragraph role="code" id="par_id3154016" xml-lang="en-US" l10n="U" oldref="26">Case Else</paragraph>
<paragraph role="code" id="par_id3155602" xml-lang="en-US" l10n="U" oldref="27">Print "Outside range 1 to 10"</paragraph>
<paragraph role="code" id="par_id3150328" xml-lang="en-US" l10n="U" oldref="28">End Select</paragraph>
<paragraph role="code" id="par_id3154479" xml-lang="en-US" l10n="U" oldref="29">end sub</paragraph>
</body>
</helpdocument>