144 lines
5.1 KiB
HTML
144 lines
5.1 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<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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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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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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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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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: OR</title>
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<meta name="description" content="The GNU Fortran Compiler: OR">
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<meta name="keywords" content="The GNU Fortran Compiler: OR">
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<meta name="resource-type" content="document">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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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="PACK.html#PACK" rel="next" title="PACK">
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<link href="NUM_005fIMAGES.html#NUM_005fIMAGES" rel="prev" title="NUM_IMAGES">
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<style type="text/css">
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-->
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</style>
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="OR"></a>
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<div class="header">
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<p>
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Next: <a href="PACK.html#PACK" accesskey="n" rel="next">PACK</a>, Previous: <a href="NUM_005fIMAGES.html#NUM_005fIMAGES" accesskey="p" rel="prev">NUM_IMAGES</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="OR-_002d_002d_002d-Bitwise-logical-OR"></a>
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<h3 class="section">9.203 <code>OR</code> — Bitwise logical OR</h3>
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<a name="index-OR"></a>
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<a name="index-bitwise-logical-or-1"></a>
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<a name="index-logical-or_002c-bitwise-1"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>Bitwise logical <code>OR</code>.
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</p>
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<p>This intrinsic routine is provided for backwards compatibility with
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GNU Fortran 77. For integer arguments, programmers should consider
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the use of the <a href="IOR.html#IOR">IOR</a> intrinsic defined by the Fortran standard.
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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>GNU extension
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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>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 = OR(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 either a scalar <code>INTEGER</code>
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type or a scalar <code>LOGICAL</code> type.</td></tr>
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<tr><td width="15%"><var>J</var></td><td width="70%">The type shall be the same as the type of <var>J</var>.</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 either a scalar <code>INTEGER</code> or a scalar
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<code>LOGICAL</code>. If the kind type parameters differ, then the
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smaller kind type is implicitly converted to larger kind, and the
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return has the larger kind.
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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_or
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LOGICAL :: T = .TRUE., F = .FALSE.
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INTEGER :: a, b
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DATA a / Z'F' /, b / Z'3' /
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WRITE (*,*) OR(T, T), OR(T, F), OR(F, T), OR(F, F)
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WRITE (*,*) OR(a, b)
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END PROGRAM
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</pre></div>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p>Fortran 95 elemental function: <a href="IOR.html#IOR">IOR</a>
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</p></dd>
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</dl>
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</body>
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</html>
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