132 lines
5.2 KiB
HTML
132 lines
5.2 KiB
HTML
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<title>The GNU Fortran Compiler: UBOUND</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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<link href="UCOBOUND.html#UCOBOUND" rel="next" title="UCOBOUND">
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<a name="UBOUND"></a>
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<p>
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Next: <a href="UCOBOUND.html#UCOBOUND" accesskey="n" rel="next">UCOBOUND</a>, Previous: <a href="TTYNAM.html#TTYNAM" accesskey="p" rel="prev">TTYNAM</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="UBOUND-_002d_002d_002d-Upper-dimension-bounds-of-an-array"></a>
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<h3 class="section">9.266 <code>UBOUND</code> — Upper dimension bounds of an array</h3>
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<a name="index-UBOUND"></a>
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<a name="index-array_002c-upper-bound"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>Returns the upper bounds of an array, or a single upper bound
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along the <var>DIM</var> dimension.
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</p></dd>
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<dt><em>Standard</em>:</dt>
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<dd><p>Fortran 95 and later, with <var>KIND</var> argument Fortran 2003 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>Inquiry 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 = UBOUND(ARRAY [, DIM [, KIND]])</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>ARRAY</var></td><td width="70%">Shall be an array, of any type.</td></tr>
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<tr><td width="15%"><var>DIM</var></td><td width="70%">(Optional) Shall be a scalar <code>INTEGER</code>.</td></tr>
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<tr><td width="15%"><var>KIND</var></td><td width="70%">(Optional) An <code>INTEGER</code> initialization
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expression indicating the kind parameter of the result.</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 <code>INTEGER</code> and of kind <var>KIND</var>. If
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<var>KIND</var> is absent, the return value is of default integer kind.
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If <var>DIM</var> is absent, the result is an array of the upper bounds of
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<var>ARRAY</var>. If <var>DIM</var> is present, the result is a scalar
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corresponding to the upper bound of the array along that dimension. If
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<var>ARRAY</var> is an expression rather than a whole array or array
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structure component, or if it has a zero extent along the relevant
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dimension, the upper bound is taken to be the number of elements along
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the relevant dimension.
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</p>
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</dd>
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<dt><em>See also</em>:</dt>
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<dd><p><a href="LBOUND.html#LBOUND">LBOUND</a>, <a href="LCOBOUND.html#LCOBOUND">LCOBOUND</a>
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</p></dd>
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</dl>
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</html>
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