|
SGN( ) |
Return Sign of Value |
SGN(num[,ERR=stmtref])
Where:
|
num |
Value whose sign is to be returned. Numeric expression. |
|
stmtref |
Program line number or statement label to which to transfer control. |
Status code, 0 (zero), 1 or -1.
The SGN( ) function returns a numeric status code for the sign of a value:
|
1 |
If num is greater than zero |
|
0 |
If num equals zero |
|
-1 |
If num is less than zero |
?sgn(23.492) ! yields 1
?sgn(4-4) ! yields 0
?sgn(4-7.34) ! yields -1