diff options
Diffstat (limited to '')
| -rw-r--r-- | helpcontent2/source/text/sbasic/shared/03080301.xhp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/helpcontent2/source/text/sbasic/shared/03080301.xhp b/helpcontent2/source/text/sbasic/shared/03080301.xhp new file mode 100644 index 000000000..c846b1501 --- /dev/null +++ b/helpcontent2/source/text/sbasic/shared/03080301.xhp @@ -0,0 +1,74 @@ +<?xml version="1.0" encoding="UTF-8"?> +<helpdocument version="1.0"> +<!-- + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . +--> + +<meta> + <topic id="textsbasicshared03080301xml" indexer="include" status="PUBLISH"> + <title id="tit" xml-lang="en-US">Randomize Statement</title> + <filename>/text/sbasic/shared/03080301.xhp</filename> + </topic> +</meta> + +<body> + + +<section id="randomize"> +<bookmark xml-lang="en-US" branch="index" id="bm_id3150616"> + <bookmark_value>Randomize statement</bookmark_value> +</bookmark> + + +<paragraph id="hd_id3150616" role="heading" level="1" xml-lang="en-US"><variable id="heading_randomize"><link href="text/sbasic/shared/03080301.xhp" name="Randomize Statement">Randomize Statement</link></variable></paragraph> +<paragraph id="par_id3145090" role="paragraph" xml-lang="en-US">Initializes the random-number generator used by the <emph>Rnd</emph> function.</paragraph> +</section> + +<paragraph id="hd_id3147573" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph> +<bascode> +<paragraph id="par_id3145315" role="bascode" xml-lang="en-US">Randomize [Number]</paragraph> +</bascode> +<paragraph id="hd_id3152456" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph> +<paragraph id="par_id3149670" role="paragraph" xml-lang="en-US"> <emph>Number:</emph> Any integer value. Used as seed to initialize the random-number generator. Equal seeds result in equal random-number sequences by the <emph>Rnd</emph> function. If the parameter is omitted, the <emph>Randomize</emph> statement will be ignored.</paragraph> +<paragraph id="par_id110520161656428611" role="note" xml-lang="en-US">Unless a predictable sequence of numbers is desired, there is no need to use the <emph>Randomize</emph> statement, as the random-number generator will be initialized automatically at first use – it will be seeded using a system-provided random-number generator that produces uniformly-distributed, non-deterministic random numbers. If no such generator is available on the system, the system time will be used as seed.</paragraph> +<paragraph id="par_id12052016194258344" role="paragraph" xml-lang="en-US">The <emph>Randomize</emph> statement affects BASIC's <emph>Rnd</emph> function only. Other random-number generators (for example the Calc's RAND() function, etc.) are not affected by it.</paragraph> +<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> +<embed href="text/sbasic/shared/00000003.xhp#err5"/> + +<paragraph id="hd_id3149655" role="heading" level="2" xml-lang="en-US">Example:</paragraph> +<bascode> +<paragraph id="par_idm1340800064" role="bascode" localize="false" xml-lang="en-US">Sub ExampleRandomize</paragraph> +<paragraph id="par_idm1340798832" role="bascode" localize="false" xml-lang="en-US">Dim iCount As Integer, iVar As Integer, sText As String</paragraph> +<paragraph id="par_idm1340797584" role="bascode" localize="false" xml-lang="en-US">Dim iSpectral(10) As Integer</paragraph> +<paragraph id="par_idm1340796336" role="bascode" localize="false" xml-lang="en-US"> Randomize 2^14-1</paragraph> +<paragraph id="par_idm1340795104" role="bascode" localize="false" xml-lang="en-US"> For iCount = 1 To 1000</paragraph> +<paragraph id="par_id3147288" role="bascode" xml-lang="en-US"> iVar = Int(10 * Rnd) ' Range from 0 to 9</paragraph> +<paragraph id="par_idm1340792112" role="bascode" localize="false" xml-lang="en-US"> iSpectral(iVar) = iSpectral(iVar) +1</paragraph> +<paragraph id="par_idm1340790848" role="bascode" localize="false" xml-lang="en-US"> Next iCount</paragraph> +<paragraph id="par_idm1341621328" role="bascode" localize="false" xml-lang="en-US"> sText = " | "</paragraph> +<paragraph id="par_idm1341620096" role="bascode" localize="false" xml-lang="en-US"> For iCount = 0 To 9</paragraph> +<paragraph id="par_idm1341618864" role="bascode" localize="false" xml-lang="en-US"> sText = sText & iSpectral(iCount) & " | "</paragraph> +<paragraph id="par_idm1341617536" role="bascode" localize="false" xml-lang="en-US"> Next iCount</paragraph> +<paragraph id="par_id3148617" role="bascode" xml-lang="en-US"> MsgBox sText,0,"Spectral Distribution"</paragraph> +<paragraph id="par_idm1341614560" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph> +</bascode> +<section id="relatedtopics"> +<paragraph id="par_id110520162207025898" role="paragraph" localize="false" xml-lang="en-US"><embedvar href="text/sbasic/shared/03080302.xhp#heading_rnd"/></paragraph> +</section> +</body> + +</helpdocument> |