..  _sgn:

SGN
===

+----------+------------------------------------------------------------------+
| Syntax   | SGN (x)  and                                                     |
|          |                                                                  |
|          | SGN% (x)                                                         |
+----------+------------------------------------------------------------------+
| Location | Math Package (SGN) and SGN (SGN%)                                |
+----------+------------------------------------------------------------------+

Both functions work identically and return the sign of any valid
number. The sign is defined as 1 for positive numbers, -1 for negative
and 0 if the number is zero. Any number is allowed as a parameter.

**CROSS-REFERENCE**

:ref:`sign` is the same.