1<?xml version="1.0" encoding="UTF-8"?> 2 3<!--*********************************************************** 4 * 5 * Licensed to the Apache Software Foundation (ASF) under one 6 * or more contributor license agreements. See the NOTICE file 7 * distributed with this work for additional information 8 * regarding copyright ownership. The ASF licenses this file 9 * to you under the Apache License, Version 2.0 (the 10 * "License"); you may not use this file except in compliance 11 * with the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, 16 * software distributed under the License is distributed on an 17 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18 * KIND, either express or implied. See the License for the 19 * specific language governing permissions and limitations 20 * under the License. 21 * 22 ***********************************************************--> 23 24<helpdocument version="1.0"> 25<meta> 26<topic id="textsbasicshared03060200xml" indexer="include" status="PUBLISH"> 27<title id="tit" xml-lang="en-US">Eqv Operator [Runtime]</title> 28<filename>/text/sbasic/shared/03060200.xhp</filename> 29</topic> 30</meta> 31<body> 32<section id="eqv"> 33<bookmark xml-lang="en-US" branch="index" id="bm_id3156344"> 34<bookmark_value>Eqv operator (logical)</bookmark_value> 35</bookmark> 36<paragraph role="heading" id="hd_id3156344" xml-lang="en-US" level="1" l10n="CHG" oldref="1"><link href="text/sbasic/shared/03060200.xhp" name="Eqv Operator [Runtime]">Eqv Operator [Runtime]</link></paragraph> 37<paragraph role="paragraph" id="par_id3149656" xml-lang="en-US" l10n="U" oldref="2">Calculates the logical equivalence of two expressions.</paragraph> 38</section> 39<paragraph role="heading" id="hd_id3154367" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40<paragraph role="paragraph" id="par_id3154910" xml-lang="en-US" l10n="U" oldref="4">Result = Expression1 Eqv Expression2</paragraph> 41<paragraph role="heading" id="hd_id3151043" xml-lang="en-US" level="2" l10n="U" oldref="5">Parameters:</paragraph> 42<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="6"> 43<emph>Result:</emph> Any numeric variable that contains the result of the comparison.</paragraph> 44<paragraph role="paragraph" id="par_id3150448" xml-lang="en-US" l10n="U" oldref="7"> 45<emph>Expression1, Expression2:</emph> Any expressions that you want to compare.</paragraph> 46<paragraph role="paragraph" id="par_id3149562" xml-lang="en-US" l10n="U" oldref="8">When testing for equivalence between Boolean expressions, the result is <emph>True</emph> if both expressions are either <emph>True</emph> or <emph>False</emph>.</paragraph> 47<paragraph role="paragraph" id="par_id3154319" xml-lang="en-US" l10n="U" oldref="9">In a bit-wise comparison, the Eqv operator only sets the corresponding bit in the result if a bit is set in both expressions, or in neither expression.</paragraph> 48<paragraph role="heading" id="hd_id3159154" xml-lang="en-US" level="2" l10n="U" oldref="10">Example:</paragraph> 49<paragraph role="paragraph" id="par_id3147426" xml-lang="en-US" l10n="U" oldref="11">Sub ExampleEqv</paragraph> 50<paragraph role="paragraph" id="par_id3155308" xml-lang="en-US" l10n="CHG" oldref="12">Dim A as Variant, B as Variant, C as Variant, D as Variant<comment>UFI: #i38265#</comment></paragraph> 51<paragraph role="paragraph" id="par_id3146986" xml-lang="en-US" l10n="U" oldref="13">Dim vOut as Variant</paragraph> 52<paragraph role="paragraph" id="par_id3147434" xml-lang="en-US" l10n="CHG" oldref="14">A = 10: B = 8: C = 6: D = Null</paragraph> 53<paragraph role="paragraph" id="par_id3152462" xml-lang="en-US" l10n="U" oldref="15">vOut = A > B Eqv B > C REM returns -1</paragraph> 54<paragraph role="paragraph" id="par_id3153191" xml-lang="en-US" l10n="CHG" oldref="16">vOut = B > A Eqv B > C REM returns 0</paragraph> 55<paragraph role="paragraph" id="par_id3145799" xml-lang="en-US" l10n="CHG" oldref="17">vOut = A > B Eqv B > D REM returns 0</paragraph> 56<paragraph role="paragraph" id="par_id3149412" xml-lang="en-US" l10n="CHG" oldref="18">vOut = (B > D Eqv B > A) REM returns -1</paragraph> 57<paragraph role="paragraph" id="par_id3149959" xml-lang="en-US" l10n="CHG" oldref="19">vOut = B Eqv A REM returns -3</paragraph> 58<paragraph role="paragraph" id="par_id3145646" xml-lang="en-US" l10n="U" oldref="20">End Sub</paragraph> 59</body> 60</helpdocument> 61