132 lines
4.6 KiB
HTML
132 lines
4.6 KiB
HTML
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<!-- Copyright (C) 1999-2016 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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You have freedom to copy and modify this GNU Manual, like GNU
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>The GNU Fortran Compiler: FRACTION</title>
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<meta name="description" content="The GNU Fortran Compiler: FRACTION">
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<link href="index.html#Top" rel="start" title="Top">
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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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<link href="FREE.html#FREE" rel="next" title="FREE">
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<link href="FPUTC.html#FPUTC" rel="prev" title="FPUTC">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="FRACTION"></a>
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<div class="header">
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<p>
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Next: <a href="FREE.html#FREE" accesskey="n" rel="next">FREE</a>, Previous: <a href="FPUTC.html#FPUTC" accesskey="p" rel="prev">FPUTC</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="FRACTION-_002d_002d_002d-Fractional-part-of-the-model-representation"></a>
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<h3 class="section">9.106 <code>FRACTION</code> — Fractional part of the model representation</h3>
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<a name="index-FRACTION"></a>
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<a name="index-real-number_002c-fraction"></a>
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<a name="index-floating-point_002c-fraction"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>FRACTION(X)</code> returns the fractional part of the model
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representation of <code>X</code>.
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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>Y = FRACTION(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 of the argument shall be a <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 the same type and kind as the argument.
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The fractional part of the model representation of <code>X</code> is returned;
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it is <code>X * RADIX(X)**(-EXPONENT(X))</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_fraction
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real :: x
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x = 178.1387e-4
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print *, fraction(x), x * radix(x)**(-exponent(x))
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end program test_fraction
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</pre></div>
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</dd>
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</dl>
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</body>
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</html>
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