Altium Designer Documentation
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System Query Functions
Arithmetic Functions
SIGN
Created: September 05, 2015 | Updated: August 13, 2021
| Applies to versions: 15.1, 16.0, 16.1, 17.0, 17.1, 18.0, 18.1, 19.0, 19.1, 20.0, 20.1 and 20.2
Now reading version 17.1. For the latest, read: SIGN for version 21
Parent page: System Query Functions - Arithmetic Functions
Summary
Returns sign value of the supplied parameter. That is, it returns an integral number, whose value depends upon the nature of the parameter's numeric value:
- If that numeric value is positive, the number returned is 1.
- If that numeric value is negative, the number returned is -1.
- If that numeric value is exactly zero, the number returned is 0.
Syntax
SIGN(X : Number / Numeric_String) : Number
Example Usage
SIGN(5.33)
Returns 1.
SIGN(-5.33)
Returns -1.
SIGN(0)
Returns 0.