Sgn
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sgn( [number] )
- Returns the sign of a number, 1 for positive, -1 for negative
- number
-
- The number to determine the sign of.
Technical Note
sgn(0) will return 1, not 0 as might be common on other platforms.
Examples
sgn(100) -- returns 1
sgn(0) -- returns 1 (not 0)
sgn(-14) -- returns -1