160 lines
5.8 KiB
HTML
160 lines
5.8 KiB
HTML
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<head>
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<title>The GNU Fortran Compiler: MOD</title>
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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="MOD"></a>
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<div class="header">
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<p>
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Next: <a href="MODULO.html#MODULO" accesskey="n" rel="next">MODULO</a>, Previous: <a href="MINVAL.html#MINVAL" accesskey="p" rel="prev">MINVAL</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="MOD-_002d_002d_002d-Remainder-function"></a>
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<h3 class="section">9.192 <code>MOD</code> — Remainder function</h3>
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<a name="index-MOD"></a>
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<a name="index-AMOD"></a>
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<a name="index-DMOD"></a>
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<a name="index-remainder"></a>
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<a name="index-division_002c-remainder"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p><code>MOD(A,P)</code> computes the remainder of the division of A by P.
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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 77 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 = MOD(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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and not equal to 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 return value is the result of <code>A - (INT(A/P) * P)</code>. The type
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and kind of the return value is the same as that of the arguments. The
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returned value has the same sign as A and a magnitude less than the
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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_mod
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print *, mod(17,3)
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print *, mod(17.5,5.5)
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print *, mod(17.5d0,5.5)
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print *, mod(17.5,5.5d0)
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print *, mod(-17,3)
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print *, mod(-17.5,5.5)
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print *, mod(-17.5d0,5.5)
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print *, mod(-17.5,5.5d0)
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print *, mod(17,-3)
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print *, mod(17.5,-5.5)
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print *, mod(17.5d0,-5.5)
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print *, mod(17.5,-5.5d0)
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end program test_mod
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</pre></div>
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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%">Arguments</td><td width="20%">Return type</td><td width="25%">Standard</td></tr>
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<tr><td width="20%"><code>MOD(A,P)</code></td><td width="20%"><code>INTEGER A,P</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>AMOD(A,P)</code></td><td width="20%"><code>REAL(4) A,P</code></td><td width="20%"><code>REAL(4)</code></td><td width="25%">Fortran 95 and later</td></tr>
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<tr><td width="20%"><code>DMOD(A,P)</code></td><td width="20%"><code>REAL(8) A,P</code></td><td width="20%"><code>REAL(8)</code></td><td width="25%">Fortran 95 and later</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="MODULO.html#MODULO">MODULO</a>
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</p>
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</dd>
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</dl>
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