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| <title>The GNU Fortran Compiler: MERGE_BITS</title> |
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| <a name="MERGE_005fBITS-_002d_002d_002d-Merge-of-bits-under-mask"></a> |
| <h3 class="section">8.172 <code>MERGE_BITS</code> — Merge of bits under mask</h3> |
| <a name="index-MERGE_005fBITS"></a> |
| <a name="index-bits_002c-merge"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p><code>MERGE_BITS(I, J, MASK)</code> merges the bits of <var>I</var> and <var>J</var> |
| as determined by the mask. The i-th bit of the result is equal to the |
| i-th bit of <var>I</var> if the i-th bit of <var>MASK</var> is 1; it is equal to |
| the i-th bit of <var>J</var> otherwise. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>Fortran 2008 and later |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Elemental function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><p><code>RESULT = MERGE_BITS(I, J, MASK)</code> |
| </p> |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>I</var></td><td width="70%">Shall be of type <code>INTEGER</code>.</td></tr> |
| <tr><td width="15%"><var>J</var></td><td width="70%">Shall be of type <code>INTEGER</code> and of the same |
| kind as <var>I</var>.</td></tr> |
| <tr><td width="15%"><var>MASK</var></td><td width="70%">Shall be of type <code>INTEGER</code> and of the same |
| kind as <var>I</var>.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>The result is of the same type and kind as <var>I</var>. |
| </p> |
| </dd> |
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