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| <title>The GNU Fortran Compiler: AND</title> |
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| <a name="AND-_002d_002d_002d-Bitwise-logical-AND"></a> |
| <h3 class="section">8.15 <code>AND</code> — Bitwise logical AND</h3> |
| <a name="index-AND"></a> |
| <a name="index-bitwise-logical-and"></a> |
| <a name="index-logical-and_002c-bitwise"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p>Bitwise logical <code>AND</code>. |
| </p> |
| <p>This intrinsic routine is provided for backwards compatibility with |
| GNU Fortran 77. For integer arguments, programmers should consider |
| the use of the <a href="IAND.html#IAND">IAND</a> intrinsic defined by the Fortran standard. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>GNU extension |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><p><code>RESULT = AND(I, J)</code> |
| </p> |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>I</var></td><td width="70%">The type shall be either a scalar <code>INTEGER</code> |
| type or a scalar <code>LOGICAL</code> type.</td></tr> |
| <tr><td width="15%"><var>J</var></td><td width="70%">The type shall be the same as the type of <var>I</var>.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>The return type is either a scalar <code>INTEGER</code> or a scalar |
| <code>LOGICAL</code>. If the kind type parameters differ, then the |
| smaller kind type is implicitly converted to larger kind, and the |
| return has the larger kind. |
| </p> |
| </dd> |
| <dt><em>Example</em>:</dt> |
| <dd><div class="smallexample"> |
| <pre class="smallexample">PROGRAM test_and |
| LOGICAL :: T = .TRUE., F = .FALSE. |
| INTEGER :: a, b |
| DATA a / Z'F' /, b / Z'3' / |
| |
| WRITE (*,*) AND(T, T), AND(T, F), AND(F, T), AND(F, F) |
| WRITE (*,*) AND(a, b) |
| END PROGRAM |
| </pre></div> |
| |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p>Fortran 95 elemental function: <a href="IAND.html#IAND">IAND</a> |
| </p></dd> |
| </dl> |
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