144 lines
5.4 KiB
HTML
144 lines
5.4 KiB
HTML
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<title>The GNU Fortran Compiler: RESHAPE</title>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="RESHAPE"></a>
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<div class="header">
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<p>
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Next: <a href="RRSPACING.html#RRSPACING" accesskey="n" rel="next">RRSPACING</a>, Previous: <a href="REPEAT.html#REPEAT" accesskey="p" rel="prev">REPEAT</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="RESHAPE-_002d_002d_002d-Function-to-reshape-an-array"></a>
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<h3 class="section">9.222 <code>RESHAPE</code> — Function to reshape an array</h3>
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<a name="index-RESHAPE"></a>
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<a name="index-array_002c-change-dimensions"></a>
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<a name="index-array_002c-transmogrify"></a>
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<dl compact="compact">
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<dt><em>Description</em>:</dt>
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<dd><p>Reshapes <var>SOURCE</var> to correspond to <var>SHAPE</var>. If necessary,
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the new array may be padded with elements from <var>PAD</var> or permuted
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as defined by <var>ORDER</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>Transformational 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 = RESHAPE(SOURCE, SHAPE[, PAD, ORDER])</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>SOURCE</var></td><td width="70%">Shall be an array of any type.</td></tr>
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<tr><td width="15%"><var>SHAPE</var></td><td width="70%">Shall be of type <code>INTEGER</code> and an
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array of rank one. Its values must be positive or zero.</td></tr>
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<tr><td width="15%"><var>PAD</var></td><td width="70%">(Optional) shall be an array of the same
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type as <var>SOURCE</var>.</td></tr>
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<tr><td width="15%"><var>ORDER</var></td><td width="70%">(Optional) shall be of type <code>INTEGER</code>
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and an array of the same shape as <var>SHAPE</var>. Its values shall
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be a permutation of the numbers from 1 to n, where n is the size of
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<var>SHAPE</var>. If <var>ORDER</var> is absent, the natural ordering shall
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be assumed.</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 result is an array of shape <var>SHAPE</var> with the same type as
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<var>SOURCE</var>.
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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_reshape
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INTEGER, DIMENSION(4) :: x
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WRITE(*,*) SHAPE(x) ! prints "4"
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WRITE(*,*) SHAPE(RESHAPE(x, (/2, 2/))) ! prints "2 2"
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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="SHAPE.html#SHAPE">SHAPE</a>
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</p></dd>
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</dl>
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