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<title>The GNU Fortran Compiler: IEOR</title>
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<a name="IEOR"></a>
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<p>
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Next: <a href="IERRNO.html#IERRNO" accesskey="n" rel="next">IERRNO</a>, Previous: <a href="IDATE.html#IDATE" accesskey="p" rel="prev">IDATE</a>, Up: <a href="Intrinsic-Procedures.html#Intrinsic-Procedures" accesskey="u" rel="up">Intrinsic Procedures</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
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<a name="IEOR-_002d_002d_002d-Bitwise-logical-exclusive-or"></a>
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<h3 class="section">9.144 <code>IEOR</code> — Bitwise logical exclusive or</h3>
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<a name="index-IEOR"></a>
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<a name="index-BIEOR"></a>
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<a name="index-IIEOR"></a>
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<a name="index-JIEOR"></a>
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<a name="index-KIEOR"></a>
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<a name="index-bitwise-logical-exclusive-or"></a>
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<a name="index-logical-exclusive-or_002c-bitwise"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>IEOR</code> returns the bitwise Boolean exclusive-OR of <var>I</var> and
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<var>J</var>.
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</p>
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</dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>Fortran 95 and later, has overloads that are GNU extensions
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</p>
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</dd>
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<dt><em>Class</em>:</dt>
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<dd><p>Elemental function
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</p>
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</dd>
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<dt><em>Syntax</em>:</dt>
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<dd><p><code>RESULT = IEOR(I, J)</code>
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</p>
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</dd>
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<dt><em>Arguments</em>:</dt>
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<dd><table>
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<tr><td width="15%"><var>I</var></td><td width="70%">The type shall be <code>INTEGER</code>.</td></tr>
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<tr><td width="15%"><var>J</var></td><td width="70%">The type shall be <code>INTEGER</code>, of the same
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kind as <var>I</var>. (As a GNU extension, different kinds are also
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permitted.)</td></tr>
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</table>
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</dd>
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<dt><em>Return value</em>:</dt>
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<dd><p>The return type is <code>INTEGER</code>, of the same kind as the
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arguments. (If the argument kinds differ, it is of the same kind as
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the larger argument.)
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</p>
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</dd>
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<dt><em>Specific names</em>:</dt>
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<dd><table>
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<tr><td width="20%">Name</td><td width="20%">Argument</td><td width="20%">Return type</td><td width="25%">Standard</td></tr>
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<tr><td width="20%"><code>IEOR(A)</code></td><td width="20%"><code>INTEGER A</code></td><td width="20%"><code>INTEGER</code></td><td width="25%">Fortran 95 and later</td></tr>
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<tr><td width="20%"><code>BIEOR(A)</code></td><td width="20%"><code>INTEGER(1) A</code></td><td width="20%"><code>INTEGER(1)</code></td><td width="25%">GNU extension</td></tr>
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<tr><td width="20%"><code>IIEOR(A)</code></td><td width="20%"><code>INTEGER(2) A</code></td><td width="20%"><code>INTEGER(2)</code></td><td width="25%">GNU extension</td></tr>
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<tr><td width="20%"><code>JIEOR(A)</code></td><td width="20%"><code>INTEGER(4) A</code></td><td width="20%"><code>INTEGER(4)</code></td><td width="25%">GNU extension</td></tr>
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<tr><td width="20%"><code>KIEOR(A)</code></td><td width="20%"><code>INTEGER(8) A</code></td><td width="20%"><code>INTEGER(8)</code></td><td width="25%">GNU extension</td></tr>
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</table>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p><a href="IOR.html#IOR">IOR</a>, <a href="IAND.html#IAND">IAND</a>, <a href="IBITS.html#IBITS">IBITS</a>, <a href="IBSET.html#IBSET">IBSET</a>, <a href="IBCLR.html#IBCLR">IBCLR</a>, <a href="NOT.html#NOT">NOT</a>
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</p></dd>
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