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- <a name="SPREAD-_002d_002d_002d-Add-a-dimension-to-an-array"></a>
- <h3 class="section">9.254 <code>SPREAD</code> — Add a dimension to an array</h3>
- <a name="index-SPREAD"></a>
- <a name="index-array_002c-increase-dimension"></a>
- <a name="index-array_002c-duplicate-elements"></a>
- <a name="index-array_002c-duplicate-dimensions"></a>
- <dl compact="compact">
- <dt><em>Description</em>:</dt>
- <dd><p>Replicates a <var>SOURCE</var> array <var>NCOPIES</var> times along a specified
- dimension <var>DIM</var>.
- </p>
- </dd>
- <dt><em>Standard</em>:</dt>
- <dd><p>Fortran 95 and later
- </p>
- </dd>
- <dt><em>Class</em>:</dt>
- <dd><p>Transformational function
- </p>
- </dd>
- <dt><em>Syntax</em>:</dt>
- <dd><p><code>RESULT = SPREAD(SOURCE, DIM, NCOPIES)</code>
- </p>
- </dd>
- <dt><em>Arguments</em>:</dt>
- <dd><table>
- <tr><td width="15%"><var>SOURCE</var></td><td width="70%">Shall be a scalar or an array of any type and
- a rank less than seven.</td></tr>
- <tr><td width="15%"><var>DIM</var></td><td width="70%">Shall be a scalar of type <code>INTEGER</code> with a
- value in the range from 1 to n+1, where n equals the rank of <var>SOURCE</var>.</td></tr>
- <tr><td width="15%"><var>NCOPIES</var></td><td width="70%">Shall be a scalar of type <code>INTEGER</code>.</td></tr>
- </table>
- </dd>
- <dt><em>Return value</em>:</dt>
- <dd><p>The result is an array of the same type as <var>SOURCE</var> and has rank n+1
- where n equals the rank of <var>SOURCE</var>.
- </p>
- </dd>
- <dt><em>Example</em>:</dt>
- <dd><div class="smallexample">
- <pre class="smallexample">PROGRAM test_spread
- INTEGER :: a = 1, b(2) = (/ 1, 2 /)
- WRITE(*,*) SPREAD(A, 1, 2) ! "1 1"
- WRITE(*,*) SPREAD(B, 1, 2) ! "1 1 2 2"
- END PROGRAM
- </pre></div>
- </dd>
- <dt><em>See also</em>:</dt>
- <dd><p><a href="UNPACK.html#UNPACK">UNPACK</a>
- </p></dd>
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