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| <a name="SPREAD-_002d_002d_002d-Add-a-dimension-to-an-array"></a> |
| <h3 class="section">8.231 <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> |
| </dl> |
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