152 lines
5.3 KiB
HTML
152 lines
5.3 KiB
HTML
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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: MODULO</title>
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<meta name="description" content="The GNU Fortran Compiler: MODULO">
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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="MOVE_005fALLOC.html#MOVE_005fALLOC" rel="next" title="MOVE_ALLOC">
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<link href="MOD.html#MOD" rel="prev" title="MOD">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="MODULO"></a>
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<div class="header">
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<p>
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Next: <a href="MOVE_005fALLOC.html#MOVE_005fALLOC" accesskey="n" rel="next">MOVE_ALLOC</a>, Previous: <a href="MOD.html#MOD" accesskey="p" rel="prev">MOD</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="MODULO-_002d_002d_002d-Modulo-function"></a>
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<h3 class="section">9.193 <code>MODULO</code> — Modulo function</h3>
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<a name="index-MODULO"></a>
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<a name="index-modulo"></a>
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<a name="index-division_002c-modulo"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>MODULO(A,P)</code> computes the <var>A</var> modulo <var>P</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
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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 = MODULO(A, P)</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>A</var></td><td width="70%">Shall be a scalar of type <code>INTEGER</code> or <code>REAL</code>.</td></tr>
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<tr><td width="15%"><var>P</var></td><td width="70%">Shall be a scalar of the same type and kind as <var>A</var>.
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It shall not be zero.</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 type and kind of the result are those of the arguments.
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</p><dl compact="compact">
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<dt>If <var>A</var> and <var>P</var> are of type <code>INTEGER</code>:</dt>
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<dd><p><code>MODULO(A,P)</code> has the value <var>R</var> such that <code>A=Q*P+R</code>, where
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<var>Q</var> is an integer and <var>R</var> is between 0 (inclusive) and <var>P</var>
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(exclusive).
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</p></dd>
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<dt>If <var>A</var> and <var>P</var> are of type <code>REAL</code>:</dt>
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<dd><p><code>MODULO(A,P)</code> has the value of <code>A - FLOOR (A / P) * P</code>.
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</p></dd>
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</dl>
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<p>The returned value has the same sign as P and a magnitude less than
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the magnitude of P.
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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_modulo
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print *, modulo(17,3)
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print *, modulo(17.5,5.5)
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print *, modulo(-17,3)
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print *, modulo(-17.5,5.5)
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print *, modulo(17,-3)
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print *, modulo(17.5,-5.5)
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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><a href="MOD.html#MOD">MOD</a>
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</p>
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</dd>
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</dl>
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</body>
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