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| <a name="LLT-_002d_002d_002d-Lexical-less-than"></a> |
| <h3 class="section">8.150 <code>LLT</code> — Lexical less than</h3> |
| <a name="index-LLT"></a> |
| <a name="index-lexical-comparison-of-strings-3"></a> |
| <a name="index-string_002c-comparison-3"></a> |
| |
| <dl compact="compact"> |
| <dt><em>Description</em>:</dt> |
| <dd><p>Determines whether one string is lexically less than another string, |
| where the two strings are interpreted as containing ASCII character |
| codes. If the String A and String B are not the same length, the |
| shorter is compared as if spaces were appended to it to form a value |
| that has the same length as the longer. |
| </p> |
| <p>In general, the lexical comparison intrinsics <code>LGE</code>, <code>LGT</code>, |
| <code>LLE</code>, and <code>LLT</code> differ from the corresponding intrinsic |
| operators <code>.GE.</code>, <code>.GT.</code>, <code>.LE.</code>, and <code>.LT.</code>, in |
| that the latter use the processor’s character ordering (which is not |
| ASCII on some targets), whereas the former always use the ASCII |
| ordering. |
| </p> |
| </dd> |
| <dt><em>Standard</em>:</dt> |
| <dd><p>Fortran 77 and later |
| </p> |
| </dd> |
| <dt><em>Class</em>:</dt> |
| <dd><p>Elemental function |
| </p> |
| </dd> |
| <dt><em>Syntax</em>:</dt> |
| <dd><p><code>RESULT = LLT(STRING_A, STRING_B)</code> |
| </p> |
| </dd> |
| <dt><em>Arguments</em>:</dt> |
| <dd><table> |
| <tr><td width="15%"><var>STRING_A</var></td><td width="70%">Shall be of default <code>CHARACTER</code> type.</td></tr> |
| <tr><td width="15%"><var>STRING_B</var></td><td width="70%">Shall be of default <code>CHARACTER</code> type.</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>Return value</em>:</dt> |
| <dd><p>Returns <code>.TRUE.</code> if <code>STRING_A < STRING_B</code>, and <code>.FALSE.</code> |
| otherwise, based on the ASCII ordering. |
| </p> |
| </dd> |
| <dt><em>Specific names</em>:</dt> |
| <dd><table> |
| <tr><td width="20%">Name</td><td width="20%">Argument</td><td width="20%">Return type</td><td width="25%">Standard</td></tr> |
| <tr><td width="20%"><code>LLT(STRING_A, STRING_B)</code></td><td width="20%"><code>CHARACTER</code></td><td width="20%"><code>LOGICAL</code></td><td width="25%">Fortran 77 and later</td></tr> |
| </table> |
| |
| </dd> |
| <dt><em>See also</em>:</dt> |
| <dd><p><a href="LGE.html#LGE">LGE</a>, <a href="LGT.html#LGT">LGT</a>, <a href="LLE.html#LLE">LLE</a> |
| </p></dd> |
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