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<?xml version="1.0" encoding="UTF-8"?>
<helpdocument version="1.0">
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<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 > B Eqv B > C ' returns -1</paragraph>
<paragraph id="par_id3153191" role="bascode" xml-lang="en-US"> vOut = B > A Eqv B > C ' returns 0</paragraph>
<paragraph id="par_id3145799" role="bascode" xml-lang="en-US"> vOut = A > B Eqv B > D ' returns 0</paragraph>
<paragraph id="par_id3149412" role="bascode" xml-lang="en-US"> vOut = (B > D Eqv B > 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>
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