summaryrefslogtreecommitdiffstats
path: root/helpcontent2/source/text/sbasic/shared/03060200.xhp
blob: 4ba146ac977e91c6eba1eb12ef57c9d2eae89781 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
<?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="textsbasicshared03060200xml" indexer="include" status="PUBLISH">
    <title id="tit" xml-lang="en-US">Eqv Operator</title>
    <filename>/text/sbasic/shared/03060200.xhp</filename>
  </topic>
</meta>

<body>


<section id="eqv">
<bookmark xml-lang="en-US" branch="index" id="bm_id3156344">
  <bookmark_value>Eqv operator (logical)</bookmark_value>
</bookmark>


<paragraph id="hd_id3156344" role="heading" level="1" xml-lang="en-US"><link href="text/sbasic/shared/03060200.xhp" name="Eqv Operator">Eqv Operator</link></paragraph>
<paragraph id="par_id3149656" role="paragraph" xml-lang="en-US">Calculates the logical equivalence of two expressions.</paragraph>
</section>

<paragraph id="hd_id3154367" role="heading" level="2" xml-lang="en-US">Syntax:</paragraph>
<bascode>
<paragraph id="par_id3154910" role="bascode" xml-lang="en-US">Result = Expression1 Eqv Expression2</paragraph>
</bascode>

<paragraph id="hd_id3151043" role="heading" level="2" xml-lang="en-US">Parameters:</paragraph>
<paragraph id="par_id3150869" role="paragraph" xml-lang="en-US"> <emph>Result:</emph> Any numeric variable that contains the result of the comparison.</paragraph>
<paragraph id="par_id3150448" role="paragraph" xml-lang="en-US"> <emph>Expression1, Expression2:</emph> Any expressions that you want to compare.</paragraph>
<paragraph id="par_id3149562" role="paragraph" xml-lang="en-US">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>
<paragraph id="par_id3154319" role="paragraph" xml-lang="en-US">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>

<paragraph id="hd_id3159154" role="heading" level="2" xml-lang="en-US">Example:</paragraph>
<bascode>
<paragraph id="par_idm1341574288" role="bascode" localize="false" xml-lang="en-US">Sub ExampleEqv</paragraph>
<paragraph id="par_idm1341573056" role="bascode" localize="false" xml-lang="en-US">Dim A As Variant, B As Variant, C As Variant, D As Variant<comment>see #i38265</comment></paragraph>
<paragraph id="par_idm1341571488" role="bascode" localize="false" xml-lang="en-US">Dim vOut As Variant</paragraph>
<paragraph id="par_idm1341570256" role="bascode" localize="false" xml-lang="en-US">    A = 10: B = 8: C = 6: D = Null</paragraph>
<paragraph id="par_id3152462" role="bascode" xml-lang="en-US">    vOut = A &gt; B Eqv B &gt; C ' returns -1</paragraph>
<paragraph id="par_id3153191" role="bascode" xml-lang="en-US">    vOut = B &gt; A Eqv B &gt; C ' returns 0</paragraph>
<paragraph id="par_id3145799" role="bascode" xml-lang="en-US">    vOut = A &gt; B Eqv B &gt; D ' returns 0</paragraph>
<paragraph id="par_id3149412" role="bascode" xml-lang="en-US">    vOut = (B &gt; D Eqv B &gt; A) ' returns -1</paragraph>
<paragraph id="par_id3149959" role="bascode" xml-lang="en-US">    vOut = B Eqv A ' returns -3</paragraph>
<paragraph id="par_idm1341560048" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
</bascode>
</body>

</helpdocument>