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| <title>The GNU Fortran Compiler: SECOND</title> |
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| <a name="SECOND-_002d_002d_002d-CPU-time-function"></a> |
| <h3 class="section">8.214 <code>SECOND</code> — CPU time function</h3> |
| <a name="index-SECOND"></a> |
| <a name="index-time_002c-elapsed-4"></a> |
| <a name="index-elapsed-time-2"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p>Returns a <code>REAL(4)</code> value representing the elapsed CPU time in |
| seconds. This provides the same functionality as the standard |
| <code>CPU_TIME</code> intrinsic, and is only included for backwards |
| compatibility. |
| </p> |
| <p>This intrinsic is provided in both subroutine and function forms; |
| however, only one form can be used in any given program unit. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>GNU extension |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Subroutine, function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><table> |
| <tr><td width="80%"><code>CALL SECOND(TIME)</code></td></tr> |
| <tr><td width="80%"><code>TIME = SECOND()</code></td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>TIME</var></td><td width="70%">Shall be of type <code>REAL(4)</code>.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>In either syntax, <var>TIME</var> is set to the process’s current runtime in |
| seconds. |
| </p> |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p><a href="CPU_005fTIME.html#CPU_005fTIME">CPU_TIME</a> |
| </p> |
| </dd> |
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