131 lines
4.6 KiB
HTML
131 lines
4.6 KiB
HTML
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<head>
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<title>The GNU Fortran Compiler: EXPONENT</title>
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Intrinsic-Procedures.html#Intrinsic-Procedures" rel="up" title="Intrinsic Procedures">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="EXPONENT"></a>
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<div class="header">
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<p>
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Next: <a href="EXTENDS_005fTYPE_005fOF.html#EXTENDS_005fTYPE_005fOF" accesskey="n" rel="next">EXTENDS_TYPE_OF</a>, Previous: <a href="EXP.html#EXP" accesskey="p" rel="prev">EXP</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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</div>
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<hr>
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<a name="EXPONENT-_002d_002d_002d-Exponent-function"></a>
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<h3 class="section">9.96 <code>EXPONENT</code> — Exponent function</h3>
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<a name="index-EXPONENT"></a>
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<a name="index-real-number_002c-exponent"></a>
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<a name="index-floating-point_002c-exponent"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>EXPONENT(X)</code> returns the value of the exponent part of <var>X</var>. If <var>X</var>
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is zero the value returned is zero.
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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
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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 = EXPONENT(X)</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>X</var></td><td width="70%">The type shall be <code>REAL</code>.</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 value is of type default <code>INTEGER</code>.
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</p>
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</dd>
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<dt><em>Example</em>:</dt>
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<dd><div class="smallexample">
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<pre class="smallexample">program test_exponent
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real :: x = 1.0
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integer :: i
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i = exponent(x)
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print *, i
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print *, exponent(0.0)
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end program test_exponent
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</pre></div>
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</dd>
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</dl>
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