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help/helpcontent2/source/text/sbasic/shared/03060200.xhp
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<!--***********************************************************************
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************************************************************************--><helpdocument version="1.0">
<meta>
<topic id="textsbasicshared03060200xml" indexer="include" status="PUBLISH">
<title xml-lang="en-US" id="tit">Eqv-Operator [Runtime]</title>
<filename>/text/sbasic/shared/03060200.xhp</filename>
</topic>
<history>
<created date="2003-10-31T00:00:00">Sun Microsystems, Inc.</created>
<lastedited date="2003-10-31T00:00:00">converted from old format - fpe</lastedited>
</history>
</meta>
<body>
<section id="eqv">
<bookmark xml-lang="en-US" branch="index" id="bm_id3156344"><bookmark_value>Eqv;logical operators</bookmark_value></bookmark><paragraph id="hd_id3156344" role="heading" level="1" oldref="1" l10n="U" xml-lang="en-US"><link href="text/sbasic/shared/03060200.xhp" name="Eqv-Operator [Runtime]">Eqv-Operator [Runtime]</link></paragraph>
<paragraph role="paragraph" id="par_id3149656" l10n="U" xml-lang="en-US" oldref="2">Calculates the logical equivalence of two expressions.</paragraph>
</section>
<paragraph role="heading" level="2" id="hd_id3154367" l10n="U" xml-lang="en-US" oldref="3">Syntax:</paragraph>
<paragraph role="paragraph" id="par_id3154910" l10n="U" xml-lang="en-US" oldref="4">Result = Expression1 Eqv Expression2</paragraph>
<paragraph role="heading" level="2" id="hd_id3151043" l10n="U" xml-lang="en-US" oldref="5">Parameters:</paragraph>
<paragraph l10n="U" role="paragraph" id="par_id3150869" xml-lang="en-US" oldref="6"><emph>Result:</emph> Any numeric variable that contains the result of the comparison.</paragraph>
<paragraph l10n="U" role="paragraph" id="par_id3150448" xml-lang="en-US" oldref="7"><emph>Expression1, expression2:</emph> Any expressions that you want to compare.</paragraph>
<paragraph xml-lang="en-US" oldref="8" l10n="U" role="paragraph" id="par_id3149562">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 role="paragraph" id="par_id3154319" l10n="U" xml-lang="en-US" 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>
<paragraph role="heading" level="2" id="hd_id3159154" l10n="U" xml-lang="en-US" oldref="10">Example:</paragraph>
<paragraph role="paragraph" id="par_id3147426" l10n="U" xml-lang="en-US" oldref="11">Sub ExampleEqv</paragraph>
<paragraph role="paragraph" id="par_id3155308" l10n="U" xml-lang="en-US" oldref="12">Dim vA as Variant, vB as Variant, vC as Variant, vD as Variant</paragraph>
<paragraph role="paragraph" id="par_id3146986" l10n="U" xml-lang="en-US" oldref="13">Dim vOut as Variant</paragraph>
<paragraph role="paragraph" id="par_id3147434" l10n="U" xml-lang="en-US" oldref="14">vA = 10: vB = 8: vC = 6: vD = Null</paragraph>
<paragraph role="paragraph" id="par_id3152462" l10n="U" xml-lang="en-US" oldref="15">vOut = A &gt; B Eqv B &gt; C REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3153191" l10n="U" xml-lang="en-US" oldref="16">vOut = B &gt; A Eqv B &gt; C REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3145799" l10n="U" xml-lang="en-US" oldref="17">vOut = A &gt; B Eqv B &gt; D REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3149412" l10n="U" xml-lang="en-US" oldref="18">vOut = (B &gt; D Eqv B &gt; A) REM returns 0</paragraph>
<paragraph role="paragraph" id="par_id3149959" l10n="U" xml-lang="en-US" oldref="19">vOut = B Eqv A REM returns -1</paragraph>
<paragraph role="paragraph" id="par_id3145646" l10n="U" xml-lang="en-US" oldref="20">End Sub</paragraph>
</body>
</helpdocument>